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.
12 Volt Smart Battery Chargers: 11 to 20 Amps
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.