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Marine and Boat Battery

boat

Choose the marine battery for your boat or watercraft from our wide selection of marine batteries. Bring power to virtually any type of boat or recreational watercraft, from trolling motors to Houseboats with our high quality marine batteries. We provide you with the right deep cycle gel or AGM marine battery for starting things up and helping them run smoothly.

If your having trouble selecting the proper battery check out our BCI Common Group Size Chart to help you find the right battery. Contact BatteryStuff if you have questions or need help finding the best watercraft or boat batteries.

Can a regular battery be used in a boat?

Selecting the correct marine battery is crucial since your safety depends on it while on the water. When it comes to marine batteries, there are generally three choices to choose from depending on your application:

Marine Starting Batteries are solely for starting the boat’s gas-powered engine. These batteries have thinner lead plates within the battery to output short bursts of energy needed to start the engine. These batteries are only meant for cranking purposes as their thinner lead plates do not tolerate constant discharge and charge cycles like a deep cycle battery, nor would they be recommended for running accessories when the engine is not running.

Deep Cycle Batteries are meant for frequent discharge and recharge cycles. These batteries have thicker lead plates where the amperage capacity is stored. The thicker lead plates allow them to release lower amounts of energy over extended periods without causing the plates to warp like a starting battery would if deep cycled. Deep cycle batteries are often used to power accessories like a fish finder, GPS, or a trolling motor.

However, the tradeoff to having thicker lead plates means the battery cannot output high, short bursts of energy like a starting battery. Deep cycle batteries are the best battery you can choose when the battery's sole purpose is to run boat accessories and/or trolling motors.

Dual Purpose Batteries are batteries that offer both a cranking rating and deep cycle rating. These batteries are popular if you only have room for a single battery and need to start the gas engine but run accessories such as a fish finder or trolling motor.

These batteries play the middle ground where they may not have as high of cranking power or capacity as their starting or deep cycle-only counterparts. However, these are the best batteries for those with only room for one battery and need both cranking power and deep cycle capabilities.

Do I need a deep cycle battery for my boat?

In general, a deep cycle battery is meant for cycle use with frequent discharge and charge cycles. If you plan to run accessories like a trolling motor that puts a high constant amp draw to the battery, then a deep cycle battery would be recommended.

If you plan on only using the battery to start the gas engine and power accessories while the engine is running, then a marine starting battery is all you will need.

Lastly, if you plan on running accessories while the engine is off and want engine starting capabilities, we recommend a dual-purpose battery or a deep cycle battery rated for engine starting, such as our Lifeline deep cycle batteries.

What is the difference between a deep-cycle marine battery and a regular battery?

A deep cycle battery has thicker lead plates designed for frequent discharge and charge cycles. They are primarily used to run trolling motors, fish finders, and navigational equipment such as a GPS when the engine is off.

A regular battery, assuming you are referring to a starting battery, has thinner lead plates meant for outputting short bursts of energy. These batteries are designed for starting purposes and cannot handle deep cycling because their thinner lead plates would warp, leading to premature failure.

Is a marine battery better than a regular battery?

A marine battery is made to handle more tasks than your regular car battery. Most marine batteries will typically have thicker lead plates, which increase the battery's capacity. They are also more vibration-resistant, with internal components designed to keep the lead plates secured from short-circuiting.

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Tech Help For Products


Marine AGM Batteries

30 to 55 Amp Hour AGM Batteries for Boats and other Marine Applications

CSB Battery 12v 34 AH Deep Cycle Sealed Lead Acid AGM Battery
$84.95
Part No. GP12340
Amp/Hr
34 AH
Size (L×W×H)
7.70 × 5.12 × 6.09 in
Weight
23.1 lb
VIEW PRODUCT
CSB Battery 12v 39 AH Deep Cycle Sealed Lead Acid AGM Battery
$89.95
Part No. EVH12390
Amp/Hr
39 AH
Size (L×W×H)
7.70 × 5.12 × 6.09 in
Weight
25.35 lb
VIEW PRODUCT
MK Battery 12v 35 AH Deep Cycle Sealed AGM Battery
$145.00$110.95
Part No. ES33-12
Amp/Hr
35 AH
Size (L×W×H)
7.76 × 5.16 × 6.26 in
Weight
23.1 lb
VIEW PRODUCT
MK Battery 12 Volt 32 AH Deep Cycle Sealed AGM Battery
$141.00$107.95
Part No. 8AU1H
Amp/Hr
32 AH
Size (L×W×H)
8.41 × 5.18 × 7.22 in
Weight
23 lb
VIEW PRODUCT
Lifeline GPL-U1T | 12v 33 AH Deep Cycle Sealed AGM Marine and Battery
$164.95
Part No. GPL-U1T
C.C.A.
325 @ 68° / 275 @ 32° / 215 @ 0°
Amp/Hr
33 @ 20HR Rate
Size (L×W×H)
7.71 × 5.18 × 6.89 in
Weight
24 lb
VIEW PRODUCT
MK Battery 12v 45 AH Deep Cycle Sealed AGM Battery ES40-12
$190.00$171.95
Part No. ES40-12
Amp/Hr
45 AH
Size (L×W×H)
7.80 × 6.54 × 6.73 in
Weight
31.9 lb
VIEW PRODUCT
Universal 12v 50 AH Deep Cycle Sealed AGM Battery UB12500-45977
$126.95$117.95
Part No. UB12500-45977
Amp/Hr
50 AH
Size (L×W×H)
7.72 × 6.50 × 6.89 in
Weight
30.2 lb
VIEW PRODUCT
MK Battery 12v 50 AH Deep Cycle Sealed AGM Battery
$198.00$167.95
Part No. ES50-12
Amp/Hr
50 AH
Size (L×W×H)
7.8 × 6.54 × 6.73 in
Weight
32.2 lb
VIEW PRODUCT
Universal 12v 55 AH Deep Cycle Sealed AGM Battery UB12550-45825
$141.95$136.95
Part No. UB12550-45825
Amp/Hr
55 AH
Size (L×W×H)
9.06 × 5.44 × 8.27 in
Weight
38.6 lb
VIEW PRODUCT
MK Battery 12 Volt 55 AH Deep Cycle Sealed AGM Battery
$249.00$209.95
Part No. 8A22NF
Amp/Hr
55 AH
Size (L×W×H)
9.72 × 5.47 × 9.24 in
Weight
37 lb
VIEW PRODUCT
Universal 12v 35 AH Deep Cycle Sealed AGM Battery
Out of Stock
$78.95
Part No. UB12350-D5722
Amp/Hr
35 AH
Size (L×W×H)
7.75 × 5.19 × 6.14 in
Weight
22.5 lb
VIEW PRODUCT

56 to 110 amp Hour AGM Batteries for Boats and other Marine Applications

Universal Battery UB12750 | 12v 75 AH Deep Cycle Sealed AGM Marine and RV Battery
$187.95$169.95
Part No. UB12750-45821
Amp/Hr
75 AH
Size (L×W×H)
10.24 × 6.61 × 8.27 in
Weight
49.1 lb
VIEW PRODUCT
MK Battery 12v 79 AH Deep Cycle Sealed AGM Marine and RV Battery
$330.00$282.95
Part No. 8A24
Amp/Hr
79 AH
Size (L×W×H)
10.9 × 6.8 × 9.31 in
Weight
52 lb
VIEW PRODUCT
MK Battery 12v 79 AH Deep Cycle Sealed AGM Marine and RV Battery w/ Insert Terminals
$325.00$279.95
Part No. 8A24HEI
Amp/Hr
79 AH
Size (L×W×H)
10.9 × 6.56 × 8.27 in
Weight
52 lb
VIEW PRODUCT
Lifeline GPL-24T | 12v 80 AH Deep Cycle Sealed AGM Marine and Battery
$358.95
Part No. GPL-24T
C.C.A.
800 @ 68° / 680 @ 32° / 550 @ 0°
Amp/Hr
80 @ 20HR Rate
Size (L×W×H)
11.13 × 6.60 × 8.93 in
Weight
56 lb
VIEW PRODUCT
MK Battery 12v 92 AH Deep Cycle Sealed AGM Marine and RV Battery
$385.00$334.95
Part No. 8A27
Amp/Hr
92 AH
Size (L×W×H)
12.72 × 6.8 × 9.31 in
Weight
61.5 lb
VIEW PRODUCT
MK Battery 12v 92 AH Deep Cycle Sealed AGM Marine and RV Battery with Insert Terminals
$390.00$346.95
Part No. 8A27EI
Amp/Hr
92 AH
Size (L×W×H)
12.01 × 6.56 × 8.24 in
Weight
61.5 lb
VIEW PRODUCT
Universal Battery UB12900 | 12v 90 AH Deep Cycle Sealed AGM Marine and RV Battery
$218.95$203.95
Part No. UB12900-45826
Amp/Hr
90 AH
Size (L×W×H)
12.05 × 6.61 × 8.27 in
Weight
59.5 lb
VIEW PRODUCT
Lifeline GPL-27T | 12v 100 AH Deep Cycle Sealed AGM Marine and RV Battery
$485.99$389.95
Part No. GPL-27T
C.C.A.
845 @ 68° / 715 @ 32° / 575 @ 0°
Amp/Hr
100 @ 20HR Rate
Size (L×W×H)
13.09 × 6.60 × 9.25 in
Weight
62 lb
VIEW PRODUCT
Universal Battery UB121000 | 12v 100 AH Deep Cycle Sealed AGM Marine and RV Battery
$212.95
Part No. UB121000-45978
Amp/Hr
100 AH
Size (L×W×H)
12.17 × 6.61 × 8.30 in
Weight
63.93 lb
VIEW PRODUCT
MK Battery 12v 105 AH Deep Cycle Sealed AGM Marine and RV Battery
$429.00$374.95
Part No. 8A30HEI
Amp/Hr
105 AH
Size (L×W×H)
12.93 × 6.74 × 9.31 in
Weight
67.5 lb
VIEW PRODUCT
MK Battery 12v 105 AH Deep Cycle Sealed AGM Marine and RV Battery
$425.00$373.95
Part No. 8A31DT
Amp/Hr
105 AH
Size (L×W×H)
12.93 × 6.74 × 9.40 in
Weight
67.5 lb
VIEW PRODUCT
Lifeline GPL-31T | 12v 105 AH Deep Cycle Sealed AGM Marine and RV Battery
$454.95$384.95
Part No. GPL-31T
C.C.A.
880 @ 68° / 750 @ 32° / 600 @ 0°
Amp/Hr
105 @ 20HR Rate
Size (L×W×H)
12.9 × 6.75 × 9.27 in
Weight
64 lb
VIEW PRODUCT
Universal Battery UB121100 | 12v 110 AH Deep Cycle Sealed AGM Marine and RV Battery
$226.95$216.95
Part No. UB121100-D5751
Size (L×W×H)
12.97 × 6.89 × 8.40 in
Weight
65.7 lb
VIEW PRODUCT

111 and Up Amp Hour AGM Batteries for Marine Applications

Lifeline GPL-31XT | 12v 125 AH Deep Cycle Sealed AGM Marine and RV Battery
$524.99$464.95
Part No. GPL-31XT
C.C.A.
950 @ 68° / 800 @ 32° / 650 @ 0°
Amp/Hr
125 @ 20HR Rate
Size (L×W×H)
12.9 × 6.75 × 9.27 in
Weight
74 lb
VIEW PRODUCT
Lifeline GPL-30HT | 12v 150 AH Deep Cycle Sealed AGM Marine and RV Battery
$574.95
Part No. GPL-30HT
C.C.A.
1000 @ 68° / 850 @ 32° / 700 @ 0°
Amp/Hr
150 @ 20HR Rate
Size (L×W×H)
13.46 × 6.77 × 11.95 in
Weight
96 lb
VIEW PRODUCT
Universal Battery UB4D | 12v 200 AH Deep Cycle Sealed AGM Marine and RV Battery
$381.95
Part No. UB4D-45965
C.C.A.
1150 A
Size (L×W×H)
20.75 × 8.11 × 8.43 in
Weight
132 lb
VIEW PRODUCT
MK Battery 12v 198 AH Deep Cycle Sealed AGM Marine and RV Battery with LTP Blade Terminal
$704.95
Part No. 8A4DLTP
Amp/Hr
198 AH
Size (L×W×H)
20.75 × 8.44 × 10.82 in
Weight
131.4 lb
VIEW PRODUCT
MK Battery 12v 198 AH Deep Cycle Sealed AGM Marine and RV Battery with Automotive Post
$704.95
Part No. 8A4D
Amp/Hr
198 AH
Size (L×W×H)
21.15 × 8.41 × 9.83 in
Weight
133.5 lb
VIEW PRODUCT
Lifeline GPL-4DA | 12v 210 AH Deep Cycle Sealed AGM Marine and RV Battery
$749.95$715.95
Part No. GPL-4DA
C.C.A.
1595 @ 68° / 1360 @ 32° / 1100 @ 0°
Amp/Hr
210 @ 20HR Rate
Size (L×W×H)
20.76 × 8.70 × 8.64 in
Weight
124 lb
VIEW PRODUCT
Lifeline GPL-4DL | 12v 210 AH Deep Cycle Sealed AGM Marine and RV Battery
$749.95$715.95
Part No. GPL-4DL
C.C.A.
1595 @ 68° / 1360 @ 32° / 1100 @ 0°
Amp/Hr
210 @ 20HR Rate
Size (L×W×H)
20.76 × 8.70 × 8.64 in
Weight
124 lb
VIEW PRODUCT
Universal Battery UB8D | 12v 250 AH Deep Cycle Sealed AGM Marine and RV Battery
$524.95
Part No. UB8D-45964
Amp/Hr
250 AH
Size (L×W×H)
20.47 × 10.55 × 8.66 in
Weight
154 lb
VIEW PRODUCT
MK Battery 12v 245 AH Deep Cycle AGM Marine and RV Battery with LTP Blade Terminal
$824.95
Part No. 8A8DLTP
Amp/Hr
245 AH
Size (L×W×H)
21.03 × 11.00 × 10.82 in
Weight
163 lb
VIEW PRODUCT
MK Battery 12v 245 AH Deep Cycle Sealed AGM Marine and RV Battery with Automotive Post
$824.95
Part No. 8A8D
Amp/Hr
245 AH
Size (L×W×H)
20.87 × 10.97 × 9.62 in
Weight
163 lb
VIEW PRODUCT
Lifeline GPL-8DL | 12v 255 AH Deep Cycle Sealed AGM Marine and RV Battery
$894.95$864.95
Part No. GPL-8DL
C.C.A.
1975 @ 68° / 1675 @ 32° / 1350 @ 0°
Amp/Hr
255 @ 20HR Rate
Size (L×W×H)
20.76 × 10.89 × 8.64 in
Weight
156 lb
VIEW PRODUCT
Lifeline GPL-8DA | 12v 255 AH Deep Cycle Sealed AGM Marine and RV Battery
$894.95$864.95
Part No. GPL-8DA
C.C.A.
1975 @ 68° / 1675 @ 32° / 1350 @ 0°
Amp/Hr
255 @ 20HR Rate
Size (L×W×H)
20.76 × 10.89 × 8.64 in
Weight
156 lb
VIEW PRODUCT
MK Battery 6v Deep Cycle Sealed AGM Golf Cart and Scrubber Battery
$358.95
Part No. 8AGC2
Amp/Hr
190 AH
Size (L×W×H)
10.25 × 7.09 × 10.88 in
Weight
68 lb
VIEW PRODUCT
Universal 6v 380 AH L16 Deep Cycle Sealed AGM Battery - UB63800-40870
Out of Stock
$598.95
Part No. UB63800-40870
Amp/Hr
380 AH
Size (L×W×H)
11.6 × 7.1 × 15.9 in
Weight
123 lb
VIEW PRODUCT


Marine Gel Batteries

30 to 55 Amp Hour Gel Cell Batteries Marine, Boat, on the Water

MK Battery 12 Volt 31.6 AH Deep Cycle Gel Battery 8GU1
$155.00$125.95
Part No. 8GU1
Amp/Hr
31.3 AH
Size (L×W×H)
7.75 × 5.13 × 7.25 in
Weight
24 lb
VIEW PRODUCT
MK Battery 12v 40 AH Deep Cycle Sealed Gel Cell Battery
$250.00$203.95
Part No. 8G40
Amp/Hr
40 AH
Size (L×W×H)
7.76 × 6.62 × 6.88 in
Weight
31.5 lb
VIEW PRODUCT
MK Battery 12v 51 AH Deep Cycle Sealed Gel Battery
$278.00$238.95
Part No. 8G22NF
Amp/Hr
51 AH
Size (L×W×H)
8.99 × 5.47 × 9.26 in
Weight
37.5 lb
VIEW PRODUCT
Universal 12v 55 AH Deep Cycle Sealed Gel Battery UB22NF-47605
$203.95
Part No. UB22NF-47605
Amp/Hr
55 AH
Size (L×W×H)
9.10 × 5.43 × 8.20 in
Weight
35.5 lb
VIEW PRODUCT

56 to 100 amp Hour Gel Cell Batteries Marine, Boat, on the Water

MK Battery 12v 60 AH Deep Cycle Sealed Gel Cell Battery
$301.00$252.95
Part No. 8G34
Amp/Hr
50 AH
Size (L×W×H)
10.2 × 6.64 × 7.05 in
Weight
38.5 lb
VIEW PRODUCT
Universal 12v 75 AH Deep Cycle Sealed Gel Battery UB24-D5872
$242.95
Part No. UB24-D5872
Amp/Hr
75 AH
Size (L×W×H)
10.25 × 6.79 × 9.23 in
Weight
47.4 lb
VIEW PRODUCT
MK Battery 12v 73.6 AH Deep Cycle Sealed Gel Marine and RV Battery
$385.00$330.95
Part No. 8G24
Amp/Hr
73.6 AH
Size (L×W×H)
10.9 × 6.56 × 9.40 in
Weight
51.5 lb
VIEW PRODUCT
MK Battery 12v 73.6 AH Deep Cycle Sealed Gel Marine and RV Battery with Insert Terminals
$365.00$322.95
Part No. 8G24FT
Amp/Hr
73.6 AH
Size (L×W×H)
10.2 × 6.8 × 8.24 in
Weight
51.5 lb
VIEW PRODUCT
MK Battery 12v 73.6 AH Deep Cycle Sealed Gel Marine and RV Battery
$365.00$322.95
Part No. 8G24UT
Amp/Hr
73.6 AH
Size (L×W×H)
10.2 × 6.56 × 9.27 in
Weight
51.5 lb
VIEW PRODUCT
MK Battery 12 Volt 88 AH Deep Cycle Sealed Gel Battery
$348.95
Part No. E27-SLD-G
Amp/Hr
88 AH
Size (L×W×H)
12.83 × 6.56 × 9.33 in
Weight
62 lb
VIEW PRODUCT
MK Battery 12 Volt 88 AH Deep Cycle Sealed Gel Marine and RV Battery
$376.95
Part No. 8G27
Amp/Hr
88 AH
Size (L×W×H)
12.83 × 6.56 × 9.45 in
Weight
62 lb
VIEW PRODUCT
Universal Battery UB27 | 12v 90 AH Deep Cycle Sealed Gel Marine and RV Battery
$285.95
Part No. UB27
Amp/Hr
90 AH
Size (L×W×H)
12.1 × 6.61 × 8.27 in
Weight
55.12 lb
VIEW PRODUCT
Universal Battery UB30H | 12v 100 AH Deep Cycle Sealed Gel Marine and RV Battery
$355.95$304.95
Part No. UB30H-D5874
Amp/Hr
100 AH
Size (L×W×H)
13.0 × 6.77 × 8.58 in
Weight
67.24 lb
VIEW PRODUCT
MK Battery 12v 97.6 AH Sealed Deep Cycle Gel Marine and RV Battery
$449.00$386.95
Part No. 8G30H
Amp/Hr
97.6 AH
Size (L×W×H)
12.93 × 6.74 × 9.75 in
Weight
68.5 lb
VIEW PRODUCT
MK Battery 12v 97.6 AH Deep Cycle Sealed Gel Marine and RV Battery
$449.00$386.95
Part No. 8G31
Amp/Hr
97.6 AH
Size (L×W×H)
12.93 × 6.74 × 9.33 in
Weight
68.5 lb
VIEW PRODUCT
MK Battery 12v 97.6 AH Sealed Deep Cycle Gel-Cell Battery
$449.00$386.95
Part No. E31-SLD-G
Amp/Hr
97.6 AH
Size (L×W×H)
12.93 × 6.74 × 9.75 in
Weight
68.5 lb
VIEW PRODUCT
MK Battery 12v 97.6 AH Deep Cycle Sealed Gel Marine and RV Battery with Dual Terminals
$509.00$427.95
Part No. 8G31DT
Amp/Hr
97.6 AH
Size (L×W×H)
12.93 × 6.74 × 9.40 in
Weight
68.5 lb
VIEW PRODUCT

101 Amp Hour and Up Gel Cell Batteries Marine, Boat, on the Water

Universal Battery UB-4D | 12v 180 AH Deep Cycle Sealed Gel Marine and RV Battery
$499.95
Part No. UB-4D-40701
Amp/Hr
180 AH
Size (L×W×H)
20.87 × 8.11 × 8.43 in
Weight
114.6 lb
VIEW PRODUCT
MK Battery 12v 183 AH Deep Cycle Gel Marine and RV Battery with LTP Terminals
$805.00$719.95
Part No. 8G4DLTP
Amp/Hr
183 AH
Size (L×W×H)
20.77 × 8.43 × 11.12 in
Weight
127.5 lb
VIEW PRODUCT
MK Battery 12v 183 AH Deep Cycle Gel Marine and RV Battery with Auto Terminals
$805.00$719.95
Part No. 8G4D
Amp/Hr
183 AH
Size (L×W×H)
20.77 × 8.43 × 9.85 in
Weight
127.5 lb
VIEW PRODUCT
Universal Battery UB-8D | 12v 220 AH Deep Cycle Sealed Gel Marine and RV Battery
$696.95$684.95
Part No. UB-8D-40702
Amp/Hr
220 AH
Size (L×W×H)
20.47 × 10.55 × 8.66 in
Weight
160.94 lb
VIEW PRODUCT
MK Battery 12v 225 AH Deep Cycle Gel Marine and RV Battery with LTP Terminal
$867.95
Part No. 8G8DLTP
Amp/Hr
225 AH
Size (L×W×H)
20.44 × 10.97 × 11.25 in
Weight
157 lb
VIEW PRODUCT
MK Battery 12v 225 AH Deep Cycle Gel Marine and RV Battery with Automotive Post
$867.95
Part No. 8G8D
Amp/Hr
225 AH
Size (L×W×H)
20.44 × 10.97 × 9.98 in
Weight
157 lb
VIEW PRODUCT
MK Battery 6 Volt 180 AH Deep Cycle Sealed Gel Cell Battery
$389.95
Part No. 8GGC2
Amp/Hr
180 AH
Size (L×W×H)
10.25 × 7.09 × 10.57 in
Weight
69 lb
VIEW PRODUCT


Marine Lithium Boat Batteries

BSLBATT 12.8v 35 AH 448 Wh Deep Cycle Lithium LiFePO4 Battery
$239.95
Part No. B-LFP12-35
Amp/Hr
35 Ah
Size (L×W×H)
7.68 × 5.19 × 7.25 in
Weight
10.1 lb
VIEW PRODUCT
BSLBATT 12.8v 55 AH 704 Wh Deep Cycle Lithium LiFePO4 Battery
$349.95
Part No. B-LFP12-55
Amp/Hr
55 Ah
Size (L×W×H)
9.1 × 5.48 × 8.57 in
Weight
15.3 lb
VIEW PRODUCT
BSLBATT 12.8v 125 AH 1600 Wh Deep Cycle Lithium LiFePO4 Battery
$969.95
Part No. B-LFP12-125
Amp/Hr
125 Ah
Size (L×W×H)
13 × 6.75 × 9.94 in
Weight
34.1 lb
VIEW PRODUCT
BSLBATT 12.8v 78 AH 998.4 Wh Deep Cycle Lithium LiFePO4 Battery
Out of Stock
$499.95
Part No. B-LFP12-78
Amp/Hr
78 Ah
Size (L×W×H)
10.24 × 6.65 × 8.63 in
Weight
22.4 lb
VIEW PRODUCT
BSLBATT 12.8v 100AH 1280 Wh Deep Cycle Lithium LiFePO4 Battery
Out of Stock
$699.95
Part No. B-LFP12-100
Amp/Hr
100 Ah
Size (L×W×H)
13 × 6.82 × 8.94 in
Weight
25.9 lb
VIEW PRODUCT


Marine Starting Batteries | BatteryStuff.com

Lifeline GPL-1400T | 12v 550 CCA Starting Marine and RV Battery
$275.00$238.95
Part No. GPL-1400T
C.C.A.
850 @ 68° / 700 @ 32° / 550 @ 0°
Size (L×W×H)
9.78 × 4.97 × 6.83 in
Weight
32 lb
VIEW PRODUCT
Lifeline GPL-2400T | 12v 650 Starting Marine and RV Battery
$399.95$338.95
Part No. GPL-2400T
C.C.A.
870 @ 68° / 790 @ 32° / 650 @ 0°
Size (L×W×H)
10.22 × 6.6 × 9.47 in
Weight
53 lb
VIEW PRODUCT
Lifeline GPL-2700T | 12v 745 CCA Starting Marine and RV Battery
$459.95$389.95
Part No. GPL-2700T
C.C.A.
1020 @ 68° / 900 @ 32° / 745 @ 0°
Size (L×W×H)
12.03 × 6.6 × 9.47 in
Weight
63 lb
VIEW PRODUCT
Lifeline GPL-3100T | 12v 810 CCA Starting Marine and RV Battery
$499.95$429.95
Part No. GPL-3100T
C.C.A.
1120 @ 68° / 950 @ 32° / 810 @ 0°
Size (L×W×H)
12.9 × 6.74 × 9.27 in
Weight
67 lb
VIEW PRODUCT


Marine Batteries by Group Size

U1 Group Size

MK Battery 12 Volt 31.6 AH Deep Cycle Gel Battery 8GU1
$155.00$125.95
Part No. 8GU1
Amp/Hr
31.3 AH
Size (L×W×H)
7.75 × 5.13 × 7.25 in
Weight
24 lb
VIEW PRODUCT
MK Battery 12 Volt 32 AH Deep Cycle Sealed AGM Battery
$141.00$107.95
Part No. 8AU1H
Amp/Hr
32 AH
Size (L×W×H)
8.41 × 5.18 × 7.22 in
Weight
23 lb
VIEW PRODUCT
Lifeline GPL-U1T | 12v 33 AH Deep Cycle Sealed AGM Marine and Battery
$164.95
Part No. GPL-U1T
C.C.A.
325 @ 68° / 275 @ 32° / 215 @ 0°
Amp/Hr
33 @ 20HR Rate
Size (L×W×H)
7.71 × 5.18 × 6.89 in
Weight
24 lb
VIEW PRODUCT
CSB Battery 12v 34 AH Deep Cycle Sealed Lead Acid AGM Battery
$84.95
Part No. GP12340
Amp/Hr
34 AH
Size (L×W×H)
7.70 × 5.12 × 6.09 in
Weight
23.1 lb
VIEW PRODUCT
MK Battery 12v 35 AH Deep Cycle Sealed AGM Battery
$145.00$110.95
Part No. ES33-12
Amp/Hr
35 AH
Size (L×W×H)
7.76 × 5.16 × 6.26 in
Weight
23.1 lb
VIEW PRODUCT
CSB Battery 12v 39 AH Deep Cycle Sealed Lead Acid AGM Battery
$89.95
Part No. EVH12390
Amp/Hr
39 AH
Size (L×W×H)
7.70 × 5.12 × 6.09 in
Weight
25.35 lb
VIEW PRODUCT
Universal 12v 35 AH Deep Cycle Sealed AGM Battery
Out of Stock
$78.95
Part No. UB12350-D5722
Amp/Hr
35 AH
Size (L×W×H)
7.75 × 5.19 × 6.14 in
Weight
22.5 lb
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22NF Group Size

Universal 12v 55 AH Deep Cycle Sealed AGM Battery UB12550-45825
$141.95$136.95
Part No. UB12550-45825
Amp/Hr
55 AH
Size (L×W×H)
9.06 × 5.44 × 8.27 in
Weight
38.6 lb
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Universal 12v 55 AH Deep Cycle Sealed Gel Battery UB22NF-47605
$203.95
Part No. UB22NF-47605
Amp/Hr
55 AH
Size (L×W×H)
9.10 × 5.43 × 8.20 in
Weight
35.5 lb
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MK Battery 12v 51 AH Deep Cycle Sealed Gel Battery
$278.00$238.95
Part No. 8G22NF
Amp/Hr
51 AH
Size (L×W×H)
8.99 × 5.47 × 9.26 in
Weight
37.5 lb
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MK Battery 12 Volt 55 AH Deep Cycle Sealed AGM Mobility Battery
$249.00$216.95
Part No. M22NF-SLD-A
Amp/Hr
55 AH
Size (L×W×H)
9.60 × 5.47 × 9.24 in
Weight
37 lb
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MK Battery 12 Volt 55 AH Deep Cycle Sealed AGM Battery
$249.00$209.95
Part No. 8A22NF
Amp/Hr
55 AH
Size (L×W×H)
9.72 × 5.47 × 9.24 in
Weight
37 lb
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MK Battery 12v 51 AH Deep Cycle Sealed Gel Mobility Battery
$278.00$238.95
Part No. M22NF-SLD-G
Amp/Hr
51 AH
Size (L×W×H)
8.99 × 5.47 × 9.26 in
Weight
37.5 lb
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Group Size 24 Batteries Marine, Boat, on the Water

Universal Battery UB12750 | 12v 75 AH Deep Cycle Sealed AGM Marine and RV Battery
$187.95$169.95
Part No. UB12750-45821
Amp/Hr
75 AH
Size (L×W×H)
10.24 × 6.61 × 8.27 in
Weight
49.1 lb
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Lifeline GPL-24T | 12v 80 AH Deep Cycle Sealed AGM Marine and Battery
$358.95
Part No. GPL-24T
C.C.A.
800 @ 68° / 680 @ 32° / 550 @ 0°
Amp/Hr
80 @ 20HR Rate
Size (L×W×H)
11.13 × 6.60 × 8.93 in
Weight
56 lb
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Universal 12v 75 AH Deep Cycle Sealed Gel Battery UB24-D5872
$242.95
Part No. UB24-D5872
Amp/Hr
75 AH
Size (L×W×H)
10.25 × 6.79 × 9.23 in
Weight
47.4 lb
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MK Battery 12v 79 AH Deep Cycle Sealed AGM Marine and RV Battery
$330.00$282.95
Part No. 8A24
Amp/Hr
79 AH
Size (L×W×H)
10.9 × 6.8 × 9.31 in
Weight
52 lb
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MK Battery 12v 79 AH Deep Cycle Sealed AGM Marine and RV Battery w/ Insert Terminals
$325.00$279.95
Part No. 8A24HEI
Amp/Hr
79 AH
Size (L×W×H)
10.9 × 6.56 × 8.27 in
Weight
52 lb
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MK Battery 12v 73.6 AH Deep Cycle Sealed Gel Marine and RV Battery with Insert Terminals
$365.00$322.95
Part No. 8G24FT
Amp/Hr
73.6 AH
Size (L×W×H)
10.2 × 6.8 × 8.24 in
Weight
51.5 lb
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MK Battery 12v 73.6 AH Deep Cycle Sealed Gel Marine and RV Battery
$365.00$322.95
Part No. 8G24UT
Amp/Hr
73.6 AH
Size (L×W×H)
10.2 × 6.56 × 9.27 in
Weight
51.5 lb
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Group Size 27 Batteries Marine, Boat, on the Water

Universal Battery UB12900 | 12v 90 AH Deep Cycle Sealed AGM Marine and RV Battery
$218.95$203.95
Part No. UB12900-45826
Amp/Hr
90 AH
Size (L×W×H)
12.05 × 6.61 × 8.27 in
Weight
59.5 lb
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Universal Battery UB121000 | 12v 100 AH Deep Cycle Sealed AGM Marine and RV Battery
$212.95
Part No. UB121000-45978
Amp/Hr
100 AH
Size (L×W×H)
12.17 × 6.61 × 8.30 in
Weight
63.93 lb
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MK Battery 12 Volt 88 AH Deep Cycle Sealed Gel Battery
$348.95
Part No. E27-SLD-G
Amp/Hr
88 AH
Size (L×W×H)
12.83 × 6.56 × 9.33 in
Weight
62 lb
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MK Battery 12v 92 AH Deep Cycle Sealed AGM Marine and RV Battery
$385.00$334.95
Part No. 8A27
Amp/Hr
92 AH
Size (L×W×H)
12.72 × 6.8 × 9.31 in
Weight
61.5 lb
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MK Battery 12v 92 AH Deep Cycle Sealed AGM Marine and RV Battery with Insert Terminals
$390.00$346.95
Part No. 8A27EI
Amp/Hr
92 AH
Size (L×W×H)
12.01 × 6.56 × 8.24 in
Weight
61.5 lb
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Lifeline GPL-27T | 12v 100 AH Deep Cycle Sealed AGM Marine and RV Battery
$485.99$389.95
Part No. GPL-27T
C.C.A.
845 @ 68° / 715 @ 32° / 575 @ 0°
Amp/Hr
100 @ 20HR Rate
Size (L×W×H)
13.09 × 6.60 × 9.25 in
Weight
62 lb
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Universal Battery UB27 | 12v 90 AH Deep Cycle Sealed Gel Marine and RV Battery
$285.95
Part No. UB27
Amp/Hr
90 AH
Size (L×W×H)
12.1 × 6.61 × 8.27 in
Weight
55.12 lb
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MK Battery 12 Volt 88 AH Deep Cycle Sealed Gel Marine and RV Battery
$376.95
Part No. 8G27
Amp/Hr
88 AH
Size (L×W×H)
12.83 × 6.56 × 9.45 in
Weight
62 lb
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Group Size 31 Batteries Marine, Boat, on the Water

Lifeline GPL-31T | 12v 105 AH Deep Cycle Sealed AGM Marine and RV Battery
$454.95$384.95
Part No. GPL-31T
C.C.A.
880 @ 68° / 750 @ 32° / 600 @ 0°
Amp/Hr
105 @ 20HR Rate
Size (L×W×H)
12.9 × 6.75 × 9.27 in
Weight
64 lb
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Lifeline GPL-31XT | 12v 125 AH Deep Cycle Sealed AGM Marine and RV Battery
$524.99$464.95
Part No. GPL-31XT
C.C.A.
950 @ 68° / 800 @ 32° / 650 @ 0°
Amp/Hr
125 @ 20HR Rate
Size (L×W×H)
12.9 × 6.75 × 9.27 in
Weight
74 lb
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MK Battery 12v 97.6 AH Deep Cycle Sealed Gel Marine and RV Battery
$449.00$386.95
Part No. 8G31
Amp/Hr
97.6 AH
Size (L×W×H)
12.93 × 6.74 × 9.33 in
Weight
68.5 lb
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MK Battery 12v 97.6 AH Sealed Deep Cycle Gel-Cell Battery
$449.00$386.95
Part No. E31-SLD-G
Amp/Hr
97.6 AH
Size (L×W×H)
12.93 × 6.74 × 9.75 in
Weight
68.5 lb
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MK Battery 12v 105 AH Deep Cycle Sealed AGM Marine and RV Battery
$425.00$373.95
Part No. 8A31DT
Amp/Hr
105 AH
Size (L×W×H)
12.93 × 6.74 × 9.40 in
Weight
67.5 lb
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MK Battery 12v 97.6 AH Deep Cycle Sealed Gel Marine and RV Battery with Dual Terminals
$509.00$427.95
Part No. 8G31DT
Amp/Hr
97.6 AH
Size (L×W×H)
12.93 × 6.74 × 9.40 in
Weight
68.5 lb
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Group Size 30H Batteries Marine, Boat, on the Water

Universal Battery UB121100 | 12v 110 AH Deep Cycle Sealed AGM Marine and RV Battery
$226.95$216.95
Part No. UB121100-D5751
Size (L×W×H)
12.97 × 6.89 × 8.40 in
Weight
65.7 lb
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MK Battery 12v 97.6 AH Sealed Deep Cycle Gel Marine and RV Battery
$449.00$386.95
Part No. 8G30H
Amp/Hr
97.6 AH
Size (L×W×H)
12.93 × 6.74 × 9.75 in
Weight
68.5 lb
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Universal Battery UB30H | 12v 100 AH Deep Cycle Sealed Gel Marine and RV Battery
$355.95$304.95
Part No. UB30H-D5874
Amp/Hr
100 AH
Size (L×W×H)
13.0 × 6.77 × 8.58 in
Weight
67.24 lb
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MK Battery 12v 105 AH Deep Cycle Sealed AGM Marine and RV Battery
$429.00$374.95
Part No. 8A30HEI
Amp/Hr
105 AH
Size (L×W×H)
12.93 × 6.74 × 9.31 in
Weight
67.5 lb
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Lifeline GPL-30HT | 12v 150 AH Deep Cycle Sealed AGM Marine and RV Battery
$574.95
Part No. GPL-30HT
C.C.A.
1000 @ 68° / 850 @ 32° / 700 @ 0°
Amp/Hr
150 @ 20HR Rate
Size (L×W×H)
13.46 × 6.77 × 11.95 in
Weight
96 lb
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Group Size 4D Batteries Marine, Boat, on the Water

Universal Battery UB4D | 12v 200 AH Deep Cycle Sealed AGM Marine and RV Battery
$381.95
Part No. UB4D-45965
C.C.A.
1150 A
Size (L×W×H)
20.75 × 8.11 × 8.43 in
Weight
132 lb
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Universal Battery UB-4D | 12v 180 AH Deep Cycle Sealed Gel Marine and RV Battery
$499.95
Part No. UB-4D-40701
Amp/Hr
180 AH
Size (L×W×H)
20.87 × 8.11 × 8.43 in
Weight
114.6 lb
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MK Battery 12v 198 AH Deep Cycle Sealed AGM Marine and RV Battery with LTP Blade Terminal
$704.95
Part No. 8A4DLTP
Amp/Hr
198 AH
Size (L×W×H)
20.75 × 8.44 × 10.82 in
Weight
131.4 lb
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MK Battery 12v 198 AH Deep Cycle Sealed AGM Marine and RV Battery with Automotive Post
$704.95
Part No. 8A4D
Amp/Hr
198 AH
Size (L×W×H)
21.15 × 8.41 × 9.83 in
Weight
133.5 lb
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MK Battery 12v 183 AH Deep Cycle Gel Marine and RV Battery with LTP Terminals
$805.00$719.95
Part No. 8G4DLTP
Amp/Hr
183 AH
Size (L×W×H)
20.77 × 8.43 × 11.12 in
Weight
127.5 lb
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MK Battery 12v 183 AH Deep Cycle Gel Marine and RV Battery with Auto Terminals
$805.00$719.95
Part No. 8G4D
Amp/Hr
183 AH
Size (L×W×H)
20.77 × 8.43 × 9.85 in
Weight
127.5 lb
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Lifeline GPL-4DL | 12v 210 AH Deep Cycle Sealed AGM Marine and RV Battery
$749.95$715.95
Part No. GPL-4DL
C.C.A.
1595 @ 68° / 1360 @ 32° / 1100 @ 0°
Amp/Hr
210 @ 20HR Rate
Size (L×W×H)
20.76 × 8.70 × 8.64 in
Weight
124 lb
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Lifeline GPL-4DA | 12v 210 AH Deep Cycle Sealed AGM Marine and RV Battery
$749.95$715.95
Part No. GPL-4DA
C.C.A.
1595 @ 68° / 1360 @ 32° / 1100 @ 0°
Amp/Hr
210 @ 20HR Rate
Size (L×W×H)
20.76 × 8.70 × 8.64 in
Weight
124 lb
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Group Size 8D Batteries Marine, Boat, on the Water

Universal Battery UB8D | 12v 250 AH Deep Cycle Sealed AGM Marine and RV Battery
$524.95
Part No. UB8D-45964
Amp/Hr
250 AH
Size (L×W×H)
20.47 × 10.55 × 8.66 in
Weight
154 lb
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Universal Battery UB-8D | 12v 220 AH Deep Cycle Sealed Gel Marine and RV Battery
$696.95$684.95
Part No. UB-8D-40702
Amp/Hr
220 AH
Size (L×W×H)
20.47 × 10.55 × 8.66 in
Weight
160.94 lb
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MK Battery 12v 245 AH Deep Cycle AGM Marine and RV Battery with LTP Blade Terminal
$824.95
Part No. 8A8DLTP
Amp/Hr
245 AH
Size (L×W×H)
21.03 × 11.00 × 10.82 in
Weight
163 lb
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MK Battery 12v 245 AH Deep Cycle Sealed AGM Marine and RV Battery with Automotive Post
$824.95
Part No. 8A8D
Amp/Hr
245 AH
Size (L×W×H)
20.87 × 10.97 × 9.62 in
Weight
163 lb
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Lifeline GPL-8DL | 12v 255 AH Deep Cycle Sealed AGM Marine and RV Battery
$894.95$864.95
Part No. GPL-8DL
C.C.A.
1975 @ 68° / 1675 @ 32° / 1350 @ 0°
Amp/Hr
255 @ 20HR Rate
Size (L×W×H)
20.76 × 10.89 × 8.64 in
Weight
156 lb
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Lifeline GPL-8DA | 12v 255 AH Deep Cycle Sealed AGM Marine and RV Battery
$894.95$864.95
Part No. GPL-8DA
C.C.A.
1975 @ 68° / 1675 @ 32° / 1350 @ 0°
Amp/Hr
255 @ 20HR Rate
Size (L×W×H)
20.76 × 10.89 × 8.64 in
Weight
156 lb
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MK Battery 12v 225 AH Deep Cycle Gel Marine and RV Battery with LTP Terminal
$867.95
Part No. 8G8DLTP
Amp/Hr
225 AH
Size (L×W×H)
20.44 × 10.97 × 11.25 in
Weight
157 lb
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MK Battery 12v 225 AH Deep Cycle Gel Marine and RV Battery with Automotive Post
$867.95
Part No. 8G8D
Amp/Hr
225 AH
Size (L×W×H)
20.44 × 10.97 × 9.98 in
Weight
157 lb
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Group Size L16 Batteries Marine, Boat, on the Water

Lifeline 6v 400 AH Deep Cycle Sealed AGM Battery GPL-L16T
$784.95
Part No. GPL-L16T
C.C.A.
1975 @ 68° / 1675 @ 32° / 1350 @ 0°
Amp/Hr
400 @ 20HR Rate
Size (L×W×H)
11.64 × 6.95 × 15.55 in
Weight
119 lb
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Lifeline 2v 1200 AH Deep Cycle Sealed AGM Battery - GPL-L16T-2V
$794.95
Part No. GPL-L16T-2V
C.C.A.
5332 @ 68° / 4552 @ 32° / 3645 @ 0°
Amp/Hr
1200 @ 20HR Rate
Size (L×W×H)
11.64 × 6.95 × 15.55 in
Weight
119 lb
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Universal 6v 380 AH L16 Deep Cycle Sealed AGM Battery - UB63800-40870
Out of Stock
$598.95
Part No. UB63800-40870
Amp/Hr
380 AH
Size (L×W×H)
11.6 × 7.1 × 15.9 in
Weight
123 lb
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While the debate about which of the different marine battery types are best for deep cycle usage rages in the halls of the internet, there is a lot of confusion on the topic. We have put together an unbiased, and basic list of differences so that you can make an educated decision when it comes to buying marine batteries. So come see the clash of the titans in Gel vs. AGM.

 

*Approximate dimensions given of batteries sorted by group size. Please refer to individual battery pages for specific dimensions.