2/10/55 AMP ENGINE START BATTERY CHARGER

Battery Charger / Engine Starter 6 - 12V 2 / 10 / 55 Amp 
Works like 3 battery chargers in one. 
The 10 amp charger function recharges vehicle batteries in 3 to 5 hours. 
The 2amp trickle charge function maintains the charge when the battery is not in use and hen fully charged. 
The 55 amp setting provides significant additional cranking power when working on vehicles or in emergency situations. 
Automatically switches to trickle hen battery is completely charged. 
Self-resetting circuit breaker. 
Spark-proof.