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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.

33 Items Found
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Universal 12v 500 mAh Automatic Sealed Lead Acid Battery Charger
$19.95
Part No. UPG12
Size (L×W×H)
3 ⅛ × 2 ⅛ × 3 ¼ in
VIEW PRODUCT
Battery Tender Junior 12V 750 mA 4-Stage Smart Charger
$39.95$34.95
Part No. 021-0123
Output Banks
1
Size (L×W×H)
3 516 × 2 516 × 1 ⅞ in
VIEW PRODUCT
Battery Saver 6v 12v 10 Watt (750 mA) Micro-Maintainer, Pulse Cleaner & Tester
$56.95
Part No. 1000
Size (L×W×H)
4.0 × 2.5 × 1.5 in
VIEW PRODUCT
OptiMATE 3 12v 0.8 Amp 7-Step Battery Saving Charger-Tester-Maintainer
$84.95$61.95
Part No. TM-431
Size (L×W×H)
6.5 × 2.5 × 1.75 in
VIEW PRODUCT
OptiMATE Lithium 4s 12v 0.8 Amp 8-Step Smart Charger
$76.00$74.95
Part No. TM-471
Size (L×W×H)
6.5 × 2.5 × 1.75 in
VIEW PRODUCT
Japlar Schauer 6V 12v 1 Amp Automatic Smart Charger
$61.30$34.95
Part No. CM1A
Output Banks
1
Size (L×W×H)
2.5 × 2 × 3.25 in
VIEW PRODUCT
NOCO Genius 1 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
VIEW PRODUCT
Japlar Schauer 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
VIEW PRODUCT
Battery Tender Plus 12v 1.25 Amp 4 Stage Smart Charger
$71.95$49.95
Part No. 021-0128
Output Banks
1
Size (L×W×H)
4.875 × 3.25 × 2.875 in
VIEW PRODUCT
Battery Tender 12v 1.25 Amp 2-Bank Automatic Smart Charger
$134.95$124.95
Part No. 022-0165-DL-WH
Output Banks
2
Size (L×W×H)
4.75 × 7 × 3.5 in
VIEW PRODUCT
Battery Tender Plus High Efficiency 6V 12v 1.25 Amp 4 Stage Smart Charger
$69.95$64.95
Part No. 022-0211-DL-WH
Output Banks
1
Size (L×W×H)
6.8 × 3.68 × 1.96 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
BatteryMINDer 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
VIEW PRODUCT
BatteryMINDer PLUS 12v 1.5 Amp Battery Charger Maintainer Desulfator
$77.00$46.95
Part No. 1510
Output Banks
1
Size (L×W×H)
3.94 × 2.56 in × 1.19 in in
VIEW PRODUCT
NOCO Genius 2 6v 12v 2 Amp Battery Charger and Maintainer
$64.95$49.95
Part No. GENIUS2
Size (L×W×H)
3.7 × 2.4 × 1.7 in
VIEW PRODUCT
NOCO GENIUS 2D 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
VIEW PRODUCT
Battery Saver 6v 12v 25 Watt (2 Amps) Maintainer, Pulse Cleaner & Tester - 3015-LCD
$114.95
Part No. 3015-LCD
Size (L×W×H)
5.25 × 3.0 × 1.5 in
VIEW PRODUCT
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
VIEW PRODUCT
BatteryMINDer 12 Volt 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
VIEW PRODUCT
BatteryMINDer 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
VIEW PRODUCT
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
VIEW PRODUCT
Japlar Schauer 12v 2 Amp Automatic Smart Charger
$48.29$42.95
Part No. JAC0891-46
Output Banks
1
Size (L×W×H)
5.6 × 2.4 × 1.3 in
VIEW PRODUCT
OptiMATE 5 Voltmatic 6v & 12v 2.8 Amp 8-Step Smart Charger
$94.89
Part No. TM-223
Size (L×W×H)
6.5 × 2.5 × 1.75 in
VIEW PRODUCT
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
VIEW PRODUCT
Battery Tender 6v 12v 4 Amp Power Tender Lead Acid & Lithium Charger
$79.95$72.95
Part No. 022-0209-BT-WH
Output Banks
1
Size (L×W×H)
6.8 × 3.68 × 1.96 in
VIEW PRODUCT
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
VIEW PRODUCT
NOCO Genius 6v 12v 4-Amp 2-Bank Battery Charger and Battery Maintainer
$124.95$99.95
Part No. GENIUS2X2
Output Banks
2
Size (L×W×H)
4.4 × 5.1 × 1.9 in
VIEW PRODUCT
Battery Tender 12v 800 mA Weatherproof Smart Charger
Out of Stock
$53.50$49.95
Part No. BTW022-0150
Output Banks
1
Size (L×W×H)
4.2 × 2.75 × 1.4 in
VIEW PRODUCT
Battery Tender 12v 1.25 Amp 4 Bank Battery Charger and Maintainer
Out of Stock
$269.95$204.95
Part No. 022-0148-DL-WH
Output Banks
4
Size (L×W×H)
8.8 × 7.0 × 3.5 in
VIEW PRODUCT
Battery Saver 6v 12v 50 Watt (4.17A) Maintainer, Pulse Cleaner & Tester - 2365-LCD
Out of Stock
$159.95$134.95
Part No. 2365-LCD
Size (L×W×H)
5.75 × 3.25 × 2.25 in
VIEW PRODUCT
Battery Tender 6v 12v 4 Amp 10-Bank Shop Smart Charger
Out of Stock
$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
Battery Tender 6v 12v 4 Amp 5-Bank Shop Smart Charger
Out of Stock
$699.95$548.95
Part No. 021-0133-DL-WH
Output Banks
5
Size (L×W×H)
13.38 × 7.75 × 7.76 in
VIEW PRODUCT
NOCO Genius 6v 12v 8-Amp 4-Bank Battery Charger and Battery Maintainer
Out of Stock
$249.95$199.95
Part No. GENIUS2X4
Output Banks
4
Size (L×W×H)
9.4 × 6.7 × 2.3 in
VIEW PRODUCT

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.