The 5 amp 12 volt Battery Tender charger is a fully automatic High-Frequency switch-mode charger. It has 4 stage charging (Qualification, bulk, absorption, and float) When the recharge is complete the charger will float (maintain) the battery for an extended period of time at full state of charge. It is specifically designed for AGM batteries but will easily recharge all lead-acid batteries from the small Powersports batteries up to and including large deep cycle batteries for automotive, marine, agriculture, construction, virtually any lead-acid battery. It is completely safe and includes a 72-hour timer to prevent further damage to marginal batteries. It is fully approved for the California and Oregon markets. It is a smart charger that you just put on and leave on until you are ready to use the vehicle.
4-Step Fully Automatic Charging (Initialization, Bulk, Absorption, Float) Automatically switches to float / maintenance voltage after fully charging the battery.
Perfect for all lead-acid, flooded, or sealed maintenance-free batteries (AGM and Gel Cell)
Short Circuit Protected
Reverse Polarity Protected
Safety timer: 72 hrs
Listed in California Appliance Efficiency Database