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12 Volt Smart Battery Chargers: 4 Amps and Under

All the 12 volt chargers on this page are fully automatic, and can be left connected to your batteries long term without worry of overcharge. These small, 1-4 amp chargers are designed to maintain the charge on your batteries while in storage, and will also recharge smaller batteries up to 30ah. Perfect for motorcycle, ATV and other powersports batteries, as well as alarm and general use lead acid batteries.

27 Items Found
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Battery Tender 021-0123 | Battery Tender Junior 12v 750 mA Battery Charger & Maintainer by Deltran
$44.95$39.95
Part No. 021-0123
Output Banks
1
Size (L×W×H)
3 516 × 2 516 × 1 ⅞ in
Weight
1.5 lb
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Battery Saver 6v 12v 10 Watt (750 mA) Micro-Maintainer, Pulse Cleaner & Tester
$67.99$46.95
Part No. 1000
Size (L×W×H)
4.0 × 2.5 × 1.5 in
Weight
1.02 lb
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Battery Tender 022-0150-DL-WH | Battery Tender 800 12v 800 mA Weatherproof Smart Charger by Deltran
$60.00$49.95
Part No. 022-0150-DL-WH
Output Banks
1
Size (L×W×H)
4.2 × 2.75 × 1.4 in
Weight
1.2 lb
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OptiMATE Lithium 4s 12v 0.8 Amp 8-Step Smart Charger
$84.99$74.95
Part No. TM-471
Size (L×W×H)
6.5 × 2.5 × 1.75 in
Weight
1.34 lb
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OptiMATE 3 12v 0.8 Amp 7-Step Battery Saving Charger-Tester-Maintainer
$84.95$74.95
Part No. TM-431
Size (L×W×H)
6.5 × 2.5 × 1.75 in
Weight
1.34 lb
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NOCO GENIUS1 | 6v 12v 1 Amp Battery Charger & Maintainer
$39.95$29.95
Part No. GENIUS1
Size (L×W×H)
3.5 × 2.3 × 1.3 in
Weight
0.77 lb
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Japlar Schauer 6V 12v 1 Amp Automatic Smart Charger
$61.30$36.95
Part No. CM1A
Output Banks
1
Size (L×W×H)
2.5 × 2 × 3.25 in
Weight
1 lb
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Schauer Charge Master 12v 1/4/6 Amp Automatic Smart Charger
$87.89$74.95
Part No. CM6A
Output Banks
1
Size (L×W×H)
6.5 × 3.25 × 2.1 in
Weight
2 lb
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Schauer Charge Master 12v 1/8/12 Amp Automatic Multi Stage Smart Charger
$129.00$107.95
Part No. CM12A
Output Banks
1
Size (L×W×H)
6.5 × 3.25 × 2.1 in
Weight
2 lb
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Battery Tender 021-0128 | Battery Tender Plus 12v 1.25 Amp 4 Stage Smart Charger and Maintainer by Deltran
$59.95
Part No. 021-0128
Output Banks
1
Size (L×W×H)
4.875 × 3.25 × 2.875 in
Weight
2.75 lb
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BatteryMINDer 1500 | 12v 1.5 Amp Battery Charger Maintainer Desulfator
$66.00$53.36
Part No. 1500
Output Banks
1
Size (L×W×H)
3.94 × 2.56 in × 1.19 in in
Weight
1.0 lb
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BatteryMINDer 1510 | BatteryMINDer Plus 12v 1.5 Amp Battery Charger Maintainer Desulfator
$77.00$58.95
Part No. 1510
Output Banks
1
Size (L×W×H)
3.94 × 2.56 in × 1.19 in in
Weight
1.0 lb
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Battery Tender 022-0211-DL-WH | Battery Tender Plus 6V 12v 1.25 Amp High Efficiency Smart Charger by Deltran
$84.95$64.95
Part No. 022-0211-DL-WH
Output Banks
1
Size (L×W×H)
6.8 × 3.68 × 1.96 in
Weight
1.1 lb
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Schauer Charge Master 12v 2 Amp Automatic Smart Charger
$48.29$41.95
Part No. JAC0212-C
Output Banks
1
Size (L×W×H)
5.6 × 2.4 × 1.3 in
Weight
.9 lb
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BatteryMINDer 12 Volt 2 Amp Charger Maintainer Conditioner
$107.00$91.71
Part No. 2012
Output Banks
1
Size (L×W×H)
5 ½ × 3 ¾ × 2 ¾ in
Weight
2 lb
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NOCO GENIUS2D | 12v 2 Amp Direct-Mount Battery Charger and Maintainer
$49.95$39.95
Part No. GENIUS2D
Size (L×W×H)
3.5 × 2.34 × 1.6 in
Weight
0.5 lb
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Battery Saver 6v 12v 25 Watt (2 Amps) Maintainer, Pulse Cleaner & Tester - 3015-LCD
$114.95$94.95
Part No. 3015-LCD
Size (L×W×H)
5.25 × 3.0 × 1.5 in
Weight
1.75 lb
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Soneil 12v 3 Amp Constant Current World Smart Charger Son1205SR
$61.95
Part No. Son1205SR
Output Banks
1
Size (L×W×H)
6 × 3.7 × 1.9 in
Weight
1.5 lb
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BatteryMINDer 2012-AGM | BatteryMINDer 12v 2 Amp High Performance AGM Charger Maintainer Desulfator
$117.00$102.03
Part No. 2012-AGM
Output Banks
1
Size (L×W×H)
5 ½ × 3 ¾ × 2 ¾ in
Weight
2 lb
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BatteryMINDer 128CEC2 | BatterMINDer 12v 2/4/8 Amp Charger Maintainer Desulfator & Lithium Charger Maintainer
$223.00$185.00
Part No. 128CEC2
Output Banks
1
Size (L×W×H)
7.3 × 4.9 × 2.1 in
Weight
3.15 lb
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OptiMATE DC to DC 12v 2 Amp Lead Acid & Lithium LiFePO4 Charger Maintainer
$109.95
Part No. TM-500
Size (L×W×H)
6.5 × 2.5 × 1.75 in
Weight
1.34 lb
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OptiMATE 5 Voltmatic 6v & 12v 2.8 Amp 8-Step Smart Charger
$94.89$66.95
Part No. TM-223
Size (L×W×H)
6.5 × 2.5 × 1.75 in
Weight
1.34 lb
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NOCO GENIUS2 | 6v 12v 2 Amp Battery Genius Charger and Maintainer
$64.95$49.95
Part No. GENIUS2
Size (L×W×H)
3.7 × 2.4 × 1.7 in
Weight
1.1 lb
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Battery Tender 022-0209-BT-WH | Battery Tender 6v/12v 4 Amp Power Tender by Deltran
$84.95$69.95
Part No. 022-0209-BT-WH
Output Banks
1
Size (L×W×H)
6.8 × 3.68 × 1.96 in
Weight
3.15 lb
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Battery Saver 6v 12v 50 Watt (4.17A) Maintainer, Pulse Cleaner & Tester - 2365-LCD
$159.95$129.95
Part No. 2365-LCD
Size (L×W×H)
5.75 × 3.25 × 2.25 in
Weight
2.0 lb
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OptiMATE 2: Duo 12v 2-Amp 2-Bank Automatic Battery Charger & Maintainer
$159.95
Part No. TM-571
Size (L×W×H)
7.1 × 5.0 × 1.79 in
Weight
2.8 lb
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Universal 12v 500 mAh Automatic Sealed Lead Acid Battery Charger
Out of Stock
$19.95
Part No. UPG12
Size (L×W×H)
3 ⅛ × 2 ⅛ × 3 ¼ in
Weight
1 lb
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When you're looking for a low output battery charger, you want a multi stage charger that will take care of your battery. You want it to be fully automatic so that you can leave it on for any length of time and not have to worry about it ever overcharging your battery. All of the chargers found on this page fit that description. Designed to charge batteries up to 35 amp, and maintain single batteries up to 100 amps.