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12 Volt Smart Battery Chargers: 21 Amps and Above

On this page you will find our 12 volt chargers that are 21 amps and higher in output capacity. These are our 'Heavy Hitters', designed to quickly charge up large batteries and battery systems. Suitable for batteries that are 60 amps capacity and over, they each also include a smart charging ability that will not overcharge, yet constantly monitor your battery level to keep them at their absolute best. Never worry about your batteries again!

60 Items Found
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Interacter 12v 25 Amp Industrial Commercial Series Charger ICS1230
Out of Stock
$319.95
Part No. ICS1230
Output Banks
1
Size (L×W×H)
12 × 7 × 7 in
VIEW PRODUCT
NOCO Genius Pro 25 6v 12v 25 Amp / 24v 12.5-Amp Charger & Maintainer
$624.95$599.95
Part No. GENIUSPRO25
Size (L×W×H)
9.3 × 5.1 × 3.0 in
VIEW PRODUCT
Dual Pro 12v 24v 30 Amp Professional Series Waterproof Marine On-Board Charger - PS2
$458.00$369.95
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 Professional Series 2-Bank Lithium Waterproof Marine On-Board Charger
$369.95
Part No. L-PS2LITH
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
$482.00$387.95
Part No. PS2AUTO
Output Banks
2
Size (L×W×H)
9.50 × 8.25 × 6.0 in
VIEW PRODUCT
NOCO Genius 12v 24v 36v 30 Amp 3-Bank Waterproof Marine On-Board Battery Charger
$374.95$324.95
Part No. GENPRO10X3
Size (L×W×H)
10.5 × 8.1 × 2.8 in
VIEW PRODUCT
Guest 12v 24v 36v 30 Amp CHARGEPRO 3 Bank On-Board Smart Charger
Out of Stock
$389.99
Part No. 2731A
Output Banks
3
Size (L×W×H)
9.69 × 9.27 × 4.1 in
VIEW PRODUCT
Dual Pro 12v 24v 36v 30 Amp Sportsman 3 Bank On-Board Charger - SS3
$517.00$424.95
Part No. SS3
Output Banks
3
Size (L×W×H)
11.25 × 8.00 × 4.75 in
VIEW PRODUCT
Dual Pro 12v 24v 36v 30 Amp AutoProfile Sportsman Series 3-Bank On-Board Charger
$544.00$444.95
Part No. SS3AUTO
Output Banks
3
Size (L×W×H)
11.25 × 8.00 × 4.75 in
VIEW PRODUCT
Samlex 12v 30 Amp 3 Bank Automatic Smart Charger SEC-1230UL
Out of Stock
$262.00$213.95
Part No. SEC-1230UL
Output Banks
3
Size (L×W×H)
10.7 × 8.4 × 3.25 in
VIEW PRODUCT
ProMariner ProNautic 1230P 12v 30 Amp 3-Bank Marine Battery Charger
$668.00$491.99
Part No. 63130
Voltage
12 V
Size (L×W×H)
10.25 × 8.5 × 3.5 in
VIEW PRODUCT
IOTA 12v 30 Amp Power Converter / Battery Charger
$154.00$139.95
Part No. DLS-30
Output Banks
1
Size (L×W×H)
9.7 × 6.7 × 3.4 in
VIEW PRODUCT
IOTA 12v 30 Amp Charger Converter Power Supply w/Integrated IQ4 Sensor
$175.00$159.95
Part No. DLS-30/IQ4
Output Banks
1
Size (L×W×H)
9.7 × 6.5 × 3.5 in
VIEW PRODUCT
PowerMax 12v 35 Amp Charger Converter Power Supply
$150.00$109.95
Part No. PM3-35-12
Output Banks
1
Size (L×W×H)
7.15 × 10.5 × 3.45 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 12v 24v 36v 36 Amp ProTournament 360 Elite 3 Bank Charger
$575.00$499.99
Part No. 52036
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
Pulse Tech SC-6 Xtreme HD 12V 36 Amp 6 Bank Battery Recovery Charger (6 Amps Per Bank) - 746X816
$2699.00$2593.95
Part No. 746X816
Size (L×W×H)
20.5 × 17.2 × 9.1 in
VIEW PRODUCT
NOCO Genius 12v 24v 36v 48v 40 Amp 4-Bank Waterproof Marine On-Board Battery Charger
$499.95$424.95
Part No. GENPRO10X4
Size (L×W×H)
11.4 × 9.1 × 2.8 in
VIEW PRODUCT
Guest 12v 24v 36v 48v 40 Amp CHARGEPRO 4-Bank On-Board Smart Charger
$479.99
Part No. 2740A
Output Banks
4
Size (L×W×H)
8.7 × 9.0 × 4.1 in
VIEW PRODUCT
Dual Pro 12v 24v 36v 48v 40 Amp Sportsman 4 Bank Marine Charger - SS4
$684.00$558.95
Part No. SS4
Output Banks
4
Size (L×W×H)
14.25 × 8.00 × 4.75 in
VIEW PRODUCT
Dual Pro 12v 24v 36v 48v 40 Amp AutoProfile Sportsman Series 4-Bank On-Board Charger
$718.00$585.95
Part No. SS4AUTO
Output Banks
4
Size (L×W×H)
14.25 × 8.00 × 4.75 in
VIEW PRODUCT
Xantrex TRUECharge2 40 12v 40 Amp 3-Bank Battery Charger
$607.00$411.95
Part No. 804-1240-02
Size (L×W×H)
9.8 × 6.7 × 2.8 in
VIEW PRODUCT
Progressive Dynamics 12v 40 Amp 3-Bank 2100 Series Inteli-Power Marine Converter Charger
$424.95
Part No. PD2140V
Output Banks
3
Size (L×W×H)
10.9 × 7.8 × 4.2 in
VIEW PRODUCT
Battery Tender 6v 12v 4 Amp 10-Bank Shop Smart Charger
$799.95$768.95
Part No. 021-0134-DL-WH
Output Banks
10
Size (L×W×H)
19.75 × 7.75 × 7.76 in
VIEW PRODUCT
Dual Pro 12v 24v 36v 45 Amp Professional Series Waterproof Marine On-Board Charger - PS3
$652.00$534.95
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 Professional Series 3-Bank Lithium Waterproof Marine On-Board Charger
$652.00$534.95
Part No. L-PS3LITH
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
$685.00$559.95
Part No. PS3AUTO
Output Banks
3
Size (L×W×H)
13.00 × 8.25 × 6.0 in
VIEW PRODUCT
IOTA 12v 45 Amp Power Converter / Battery Charger
$175.00$160.95
Part No. DLS-45
Output Banks
1
Size (L×W×H)
9.7 × 6.7 × 3.4 in
VIEW PRODUCT
IOTA 12v 45 Amp Charger Converter Power Supply w/Integrated IQ4 Sensor
Out of Stock
$194.00$176.95
Part No. DLS-45/IQ4
Output Banks
1
Size (L×W×H)
9.7 × 6.5 × 3.5 in
VIEW PRODUCT
Progressive Dynamics 12v 45 Amp 9200 Series Inteli-Power Converter
$270.00$249.95
Part No. PD9245CV
Size (L×W×H)
8.25 × 7.25 × 4.7 in
VIEW PRODUCT
PowerMax 12v 45 Amp Charger Converter Power Supply
$170.00$122.95
Part No. PM3-45-12
Output Banks
1
Size (L×W×H)
7.15 × 10.5 × 3.45 in
VIEW PRODUCT
NOCO Genius Pro 50 6v 12v 50-Amp / 24v 25-Amp Charger & Maintainer
$999.95$899.95
Part No. GENIUSPRO50
Size (L×W×H)
12.3 × 6.9 × 3.6 in
VIEW PRODUCT
Samlex 12v 50 Amp 2 Bank Automatic Smart Charger - SEC-1250UL
$476.00$379.95
Part No. SEC-1250UL
Size (L×W×H)
13.03 × 9.6 × 3.82 in
VIEW PRODUCT
ProMariner ProNautic 1250P 12v 50 Amp 3-Bank Marine Battery Charger
$920.00$683.99
Part No. 63150
Voltage
12 V
Size (L×W×H)
12 ⅜ × 7 ¾ × 3 ½ in
VIEW PRODUCT
Samlex EVOLUTION Series 12v 2200 Watt Pure Sine Inverter/Charger - EVO-2212
$1799.99$1504.95
Part No. EVO-2212
Size (L×W×H)
16.77 × 12.79 × 8.15 in
VIEW PRODUCT
Samlex EVOLUTION Series 12v 3000 Watt Pure Sine Inverter/Charger - EVO-3012
Out of Stock
$2269.99$1750.95
Part No. EVO-3012
Size (L×W×H)
16.77 × 12.79 × 8.15 in
VIEW PRODUCT
Interacter 12v 50 Amp (10 Amp Per Bank) Professional Series 5 Bank Charger PS1210x5
$899.95
Part No. PS1210x5
Output Banks
5
Size (L×W×H)
26 × 6.5 × 5.5 in
VIEW PRODUCT
IOTA 12v 55 Amp Power Converter / Battery Charger
$182.00$164.95
Part No. DLS-55
Output Banks
1
Size (L×W×H)
9.7 × 6.7 × 3.4 in
VIEW PRODUCT
IOTA 12v 55 Amp Charger Converter Power Supply w/Integrated IQ4 Sensor
$203.00$182.95
Part No. DLS-55/IQ4
Output Banks
1
Size (L×W×H)
9.67 × 6.7 × 3.4 in
VIEW PRODUCT
PowerMax 12v 55 Amp Charger Converter Power Supply w/ Alligator Clamps
$261.95
Part No. PMBC-55LK
Output Banks
1
Size (L×W×H)
7.15 × 10.5 × 5.45 in
VIEW PRODUCT
PowerMax 12v 55 Amp Charger Converter Power Supply
$190.00$133.95
Part No. PM3-55LK
Output Banks
1
Size (L×W×H)
7.15 × 10.5 × 3.45 in
VIEW PRODUCT
Dual Pro 12v 24v 36v 48v 60 Amp 4-Bank Professional Series Charger
$805.00$683.95
Part No. PS4
Size (L×W×H)
15.78 × 8.25 × 7.25 in
VIEW PRODUCT
Dual Pro 12v 24v 36v 48v 60 Amp 4-Bank Professional Series Lithium On-Board Charger
$805.00$683.95
Part No. L-PS4LITH
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
$846.00$715.95
Part No. PS4AUTO
Output Banks
4
Size (L×W×H)
15.78 × 8.25 × 6.0 in
VIEW PRODUCT
Progressive Dynamics 12v 60 Amp 9200 Series Inteli-Power Converter
$301.00$283.95
Part No. PD9260CV
Size (L×W×H)
9.15 × 7.38 × 3.6 in
VIEW PRODUCT
Xantrex TRUECharge2 60 12v 60 Amp 3-Bank Battery Charger
$1014.00$709.95
Part No. 804-1260-02
Size (L×W×H)
13.4 × 6.7 × 3.5 in
VIEW PRODUCT
ProMariner ProNautic 1260P 12v 60 Amp 3-Bank Marine Battery Charger
$1136.00$839.99
Part No. 63160
Voltage
12 V
Size (L×W×H)
12.25 × 8.5 × 3.5 in
VIEW PRODUCT
Pro Charging Systems Eagle 12V 15 Amp Battery System Balancer
$1090.00$883.95
Part No. i1215BSBQUAD
Size (L×W×H)
17.0 × 8.25 × 5.7 in
VIEW PRODUCT
Progressive Dynamics 12v 70 Amp 9200 Series Inteli-Power Converter
$351.00$322.95
Part No. PD9270V
Size (L×W×H)
9.15 × 7.38 × 3.6 in
VIEW PRODUCT
IOTA 12v 75 Amp Power Converter / Battery Charger
$269.00$243.95
Part No. DLS-75
Output Banks
1
Size (L×W×H)
13 × 6.5 × 3.4 in
VIEW PRODUCT
IOTA 12v 75 Amp Charger Converter Power Supply w/Integrated IQ4 Sensor
$280.00$262.95
Part No. DLS-75/IQ4
Output Banks
1
Size (L×W×H)
10 × 6.5 × 3.5 in
VIEW PRODUCT
PowerMax 12v 75 Amp Charger Converter Power Supply w/ Alligator Clamps
$308.95
Part No. PMBC-75LK
Output Banks
1
Size (L×W×H)
7.15 × 10.5 × 5.45 in
VIEW PRODUCT
PowerMax 12v 75 Amp Charger Converter Power Supply
$239.00$162.95
Part No. PM3-75-12
Output Banks
1
Size (L×W×H)
7.15 × 10.5 × 3.45 in
VIEW PRODUCT
Progressive Dynamics 12v 80 Amp 9200 Series Inteli-Power Converter
$391.00$361.95
Part No. PD9280AV
Size (L×W×H)
9.15 × 7.38 × 3.6 in
VIEW PRODUCT
Samlex 12v 80 Amp 2 Bank Automatic Smart Charger SEC-1280UL
Out of Stock
$676.20$538.95
Part No. SEC-1280UL
Size (L×W×H)
15 × 9.61 × 3.82 in
VIEW PRODUCT
IOTA 12v 90 Amp Power Converter / Battery Charger
$284.00$259.95
Part No. DLS-90
Output Banks
1
Size (L×W×H)
13.1 × 6.5 × 3.4 in
VIEW PRODUCT
IOTA 12v 90 Amp Charger Converter Power Supply w/Integrated IQ4 Sensor
$295.00$275.95
Part No. DLS-90/IQ4
Output Banks
1
Size (L×W×H)
10 × 6.5 × 3.5 in
VIEW PRODUCT
PowerMax 12v 100 Amp Charger Converter Power Supply
$210.00$186.95
Part No. PM3-100LK
Output Banks
1
Size (L×W×H)
7.15 × 11 × 3.48 in
VIEW PRODUCT
PowerMax 12v 100 Amp Charger Converter Power Supply w/ Alligator Clamps
$349.95
Part No. PMBC-100LK
Output Banks
1
Size (L×W×H)
7.15 × 11 × 5.48 in
VIEW PRODUCT

High amp output, quicker charge times

Choose from Interacter, Samlex, Iota, Pulse Tech, and Schumacher for a charger that is big enough to handle large capacity batteries. Options include Gel-profile, Multi-Bank, Power supply, Jump Starts, and Desulphating chargers.

If you need more information about sizing your unique application, please check out our tutorials how batteries work, and our battery chargers tutorial for answers, email us, or call our Tech line at 541-474-4421.

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