BatteryStuff.com!
BatteryStuff.com
0
800-362-5397 M-F 6am-5pm PST.
MENU Menu Icon

12 Volt Smart Battery Chargers: 11 to 20 Amps

Welcome to our 12 volt, 11 to 20 amp output charger page. All of these chargers put out a good strong current suitable for recharging the largest of 12 volt batteries. We have chargers for marine applications, RV's, house batteries, and for situations where you need a quicker charge as well as long term battery maintenance. While they are all fully automatic smart chargers, they are not suitable for battery sizes under about 40 amps capacity.

32 Items Found
Sort By
Japlar Schauer 12v 12 Amp Automatic Smart Charger
$123.48$92.95
Part No. JAC1212-C
Output Banks
1
Size (L×W×H)
7.5 × 3.5 × 1.8 in
VIEW PRODUCT
Schauer Charge Master 12v 1/8/12 Amp Automatic Multi Stage Smart Charger
$129.00$101.95
Part No. CM12A
Output Banks
1
Size (L×W×H)
6.5 × 3.25 × 2.1 in
VIEW PRODUCT
Dual Pro 12v 24v 12 Amp RealPRO Series 2 Bank Marine Charger RS2
$215.00$192.95
Part No. RS2
Output Banks
2
Size (L×W×H)
7.25 × 6.5 × 3 in
VIEW PRODUCT
ProMariner ProSportHD12 12v 24v 12 Amp 2-Bank Marine Battery Charger
$198.00$179.99
Part No. 44012
Output Banks
2
Size (L×W×H)
10.5 × 7.9 × 2.9 in
VIEW PRODUCT
NOCO Genius 12v 24v 36v 15 Amp 3-Bank Marine On-Board Battery Charger
$239.95$199.95
Part No. GEN5X3
Size (L×W×H)
7.9 × 6.5 × 2.2 in
VIEW PRODUCT
ProMariner ProMar1DS 15 12v 15 Amp 3 Bank Waterproof Marine Charger
$189.99
Part No. 31515
Output Banks
3
Size (L×W×H)
10.5 × 6.5 × 3 in
VIEW PRODUCT
Pulse Tech SC-2 Xtreme HD 12V 12 Amp 2-Bank Battery Recovery Charger (6 Amps Per Bank) - 746X814
$895.00$849.95
Part No. 746X814
Size (L×W×H)
14.5 × 11.75 × 6.25 in
VIEW PRODUCT
IOTA 12v 15 Amp Charger Converter Power Supply w/Integrated IQ4 Sensor
$159.00$138.95
Part No. DLS-15/IQ4
Output Banks
1
Size (L×W×H)
7 × 6.5 × 3.5 in
VIEW PRODUCT
IOTA 12v 15 Amp Power Converter / Battery Charger
$149.00$121.95
Part No. DLS-15
Output Banks
1
Size (L×W×H)
9.7 × 6.7 × 3.4 in
VIEW PRODUCT
Samlex 12v 15 Amp 3 Bank Automatic Smart Charger SEC-1215UL
Out of Stock
$187.00$156.49
Part No. SEC-1215UL
Output Banks
3
Size (L×W×H)
8.4 × 8.4 × 3.25 in
VIEW PRODUCT
Pulse Tech 12v 16 Amp World Battery Charger & Restorer XCR-20
$739.00$709.95
Part No. XCR-20
Output Banks
1
Size (L×W×H)
10.25 × 11.5 × 7 in
VIEW PRODUCT
Battery Tender Power Plus 12v 1.25A / 20A / 75A Booster Battery Charger w/Wi-Fi
$139.95$119.95
Part No. 022-0227-DL-WH
Output Banks
1
Size (L×W×H)
9.5 × 7.0 × 5.5 in
VIEW PRODUCT
Dual Pro 12v 24v 36v 18 Amp RealPRO Series 3-Bank Marine Charger RS3
$286.00$258.95
Part No. RS3
Size (L×W×H)
10.5 × 6.5 × 3 in
VIEW PRODUCT
Pro Charging Systems Industrial Series 12v 20 Amp Waterproof On-Board Smart Charger
$362.00$339.95
Part No. IS1220
Output Banks
1
Size (L×W×H)
8.27 × 4.91 × 2.87 in
VIEW PRODUCT
NOCO Genius 12v 24v 20 Amp 2-Bank Waterproof Marine On-Board Battery Charger
$249.95$224.95
Part No. GENPRO10X2
Size (L×W×H)
8.1 × 5.8 × 2.9 in
VIEW PRODUCT
Dual Pro 12v 15 Amp Professional Series Waterproof Marine On-Board Charger - PS1
$290.00$239.95
Part No. PS1
Output Banks
1
Size (L×W×H)
6.38 × 8.25 × 5.00 in
VIEW PRODUCT
Dual Pro 12v 15 Amp AutoProfile Professional Series On-Board Charger
$250.95
Part No. PS1AUTO
Output Banks
1
Size (L×W×H)
6.38 × 8.25 × 5.00 in
VIEW PRODUCT
ProMariner ProSportHD20 12v 24v 20 Amp 2-Bank Marine Battery Charger
$242.00$219.99
Part No. 44020
Output Banks
2
Size (L×W×H)
12.8 × 7.9 × 2.9 in
VIEW PRODUCT
ProMariner ProSportHD 20 Plus 12v 24v 36v 20 Amp 3-Bank Marine Battery Charger
$253.00$229.99
Part No. 44021
Output Banks
3
Size (L×W×H)
12.8 × 7.9 × 2.9 in
VIEW PRODUCT
Guest 12v/24v 20 Amp CHARGEPRO 10/10 2 Bank On-Board Smart Charger
$214.99
Part No. 2720A
Output Banks
2
Size (L×W×H)
12.9 × 7.5 × 2.4 in
VIEW PRODUCT
Dual Pro 12v 24v 20 Amp Sportsman Series 2 Bank On-Board Charger - SS2
$343.00$300.99
Part No. SS2
Output Banks
2
Size (L×W×H)
9.25 × 8.00 × 4.75 in
VIEW PRODUCT
Dual Pro 12v 24v 20 Amp AutoProfile Sportsman Series 2-Bank On-Board Charger
$314.95
Part No. SS2AUTO
Output Banks
2
Size (L×W×H)
9.25 × 8.00 × 4.75 in
VIEW PRODUCT
Xantrex TRUECharge2 20 12v 20 Amp 3-Bank Battery Charger
$403.00$334.95
Part No. 804-1220-02
Output Banks
3
Size (L×W×H)
9.8 × 6.7 × 2.8 in
VIEW PRODUCT
Dual Pro 12v 24v 30 Amp Professional Series Waterproof Marine On-Board Charger - PS2
$359.95
Part No. PS2
Output Banks
2
Size (L×W×H)
9.50 × 8.25 × 6.00 in
VIEW PRODUCT
Dual Pro 12v 24v 30 Amp AutoProfile Professional Series 2-Bank On-Board Charger
$376.95
Part No. PS2AUTO
Output Banks
2
Size (L×W×H)
9.50 × 8.25 × 6.0 in
VIEW PRODUCT
ProMariner 52032 12v 24v 36 Amp ProTournament 2 Bank 360 Elite Charger
$529.00$459.99
Part No. 52032
Size (L×W×H)
13.5 × 9.375 × 4.0 in
VIEW PRODUCT
ProMariner ProTournament 12v 24v 36v 48v 36 Amp 4 Bank Marine Charger
$610.00$529.99
Part No. 52038
Voltage
12 V
Size (L×W×H)
13.5 × 9.375 × 4.0 in
VIEW PRODUCT
Dual Pro 12v 24v 36v 45 Amp Professional Series Waterproof Marine On-Board Charger - PS3
$623.00$514.95
Part No. PS3
Output Banks
3
Size (L×W×H)
13.00 × 8.25 × 6.00 in
VIEW PRODUCT
Dual Pro 12v 24v 36v 45 Amp AutoProfile Professional Series 3-Bank On-Board Charger
$538.95
Part No. PS3AUTO
Output Banks
3
Size (L×W×H)
13.00 × 8.25 × 6.0 in
VIEW PRODUCT
Dual Pro 12v 24v 36v 48v 60 Amp 4-Bank Professional Series Charger
Out of Stock
$769.00$659.95
Part No. PS4
Size (L×W×H)
15.78 × 8.25 × 7.25 in
VIEW PRODUCT
Dual Pro 12v 24v 36v 48v 60 Amp AutoProfile Professional Series 4-Bank On-Board Charger
$690.95
Part No. PS4AUTO
Output Banks
4
Size (L×W×H)
15.78 × 8.25 × 6.0 in
VIEW PRODUCT
Pro Charging Systems Eagle 12V 15 Amp Battery System Balancer
$973.99$789.95
Part No. i1215BSBQUAD
Size (L×W×H)
17.0 × 8.25 × 5.7 in
VIEW PRODUCT

12 volt 11 to 20 Amp Options

Take a look at the different lines of chargers that are available in this higher amp range. Suitable for many different applications, there are chargers here for powering loads, charging multiple batteries, and some commercial grade fan cooled units as well.

If you have any questions regarding your unique set up please read our tutorials on how batteries work or start shopping by viewing the products on this page. Of course, if you get stuck, you can read our battery chargers tutorial to learn more about how to select the correct charger, or you can email us or call us toll free at 1-800-362-5397.

*Exclusions may apply for large, oversize items.  Flat Rate shipping is for the lower 48 states only.