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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.

28 Items Found
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UPG 12v 500 mAh Dual Stage Regulated Battery Charger
$22.95
Part No. D1730
Size (L×W×H)
3.5 × 1.57 × 2.13 in
Weight
.15 lb
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Battery Tender 021-0123 | Battery Tender Junior 12v 750 mA Smart Battery Charger & Maintainer
$44.95
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 1000: 6v 12v 10 Watt Maintainer, Pulse Cleaner & Tester
$74.95$67.45
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 TM-471: 12.8v 0.8 Amp Lithium 4s 8-Step Smart Charger
$76.95
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
$76.95
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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Schauer CM6A: Charge Master 12v 1/4/6 Amp Automatic Smart Charger
$96.75$88.95
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 CM12A: Charge Master 12v 1/8/12 Amp Automatic Smart Charger
$126.95
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: 12v 1.25 Amp Smart Charger and Maintainer
$64.95
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: 12v 1.5 Amp Battery Charger Maintainer Desulfator
$82.00$69.95
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 JAC0212-C (0891-46): 12v 2 Amp Automatic Smart Charger
$48.95
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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NOCO GENIUS2D: 12v 2 Amp Mountable 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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OptiMATE TM571: Duo 12v 2-Amp 2-Bank Automatic Battery Charger & Maintainer
$155.95
Part No. TM-571
Size (L×W×H)
7.1 × 5.0 × 1.79 in
Weight
2.8 lb
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Soneil 12v 3 Amp Constant Current World Smart Charger Son1205SR
$76.95
Part No. Son1205SR
Output Banks
1
Size (L×W×H)
6 × 3.7 × 1.9 in
Weight
1.5 lb
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OptiMATE TM500: DC to DC 12v 2 Amp Lead Acid & 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 TM321: OptiMATE 5 6v 4A / 12v 3A 8-Step Smart Charger
$110.99
Part No. TM-321
Size (L×W×H)
7.75 × 3.0 × 2.25 in
Weight
2.0 lb
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NOCO GENIUS2: 6v & 12v 2 Amp Genius Battery 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
$199.95$179.95
Part No. 2365-LCD
Size (L×W×H)
5.75 × 3.25 × 2.25 in
Weight
2.0 lb
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Schauer CM1A: Charge Master 6V & 12v 1 Amp Automatic Smart Charger
Out of Stock
$61.30$48.95
Part No. CM1A
Output Banks
1
Size (L×W×H)
2.5 × 2 × 3.25 in
Weight
1 lb
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BatteryMINDer 2012: 12v 2 Amp Charger, Maintainer, Desulfator
Out of Stock
$114.00$98.95
Part No. 2012
Output Banks
1
Size (L×W×H)
5 ½ × 3 ¾ × 2 ¾ in
Weight
2 lb
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Battery Saver 6v 12v 25 Watt (2 Amps) Maintainer, Pulse Cleaner & Tester - 3015-LCD
Out of Stock
$139.95$125.95
Part No. 3015-LCD
Size (L×W×H)
5.25 × 3.0 × 1.5 in
Weight
1.75 lb
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BatteryMINDer 2012-AGM:12v 2 Amp AGM Charger Maintainer Desulfator
Out of Stock
$124.00
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: 12v 2/4/8 Amp Charger, Maintainer, & Desulfator
Out of Stock
$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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PowerMax PMMC-04: 6v/12v 4-Amp 11-Stage PMMC Series Smart Charger
Out of Stock
$79.95$49.95
Part No. PMMC-04
Size (L×W×H)
9.25 × 3.13 × 2.1 in
Weight
1.45 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.