Extend the Life of Your Battery
Perfect for second cars, boats, motorcycles, RVs and snowmobiles.
Battery Tender, an automatic battery charger, is smart enough to continuously monitor your battery and adjust from full-charging power to low-maintenance power, as needed. Your battery won't overcharge or discharge. This handy charger can actually pay for itself over time, because a battery kept at full charge lasts longer. The Battery Tender can even charge a totally dead battery in 1-2 days. Reverse-polarity safety guard protects you from injury if it's connected backward.
Comes with two types of connectors: a small harness you permanently attach to the vehicle, and a set of alligator clamps. Plugs into standard wall outlet. Available in 12-volt and 6-volt versions. | 
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