DSR Professional grade high output AGM battery especially formulated to jump start vehicles. 3 Amp built in automatic charger will not over charge the battery. Two function digital display indicates internal and vehicles battery voltage and percentage of charge when charging the internal battery. Display also indicates charging system voltage while engine is running.
Features:- 22 Ah battery with 2200 peak amps, 330 cranking amps, and 275 cold cranking amps
- 3 amp automatic built-in charger. will not over-charge the battery and will recharge the battery up to 3 times faster
- Built-in fan for cooling and venting
- 50 inch 4 gauge welding wire cables with heavy duty clamps with replaceable jaws
- On/Off switch, digital display, and reverse hook-up alarm
Schumacher Electric PSJ-2212 Portable Power Jump Starter Battery Charger for 12 Volt Batteries 
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