GOOLOO GP2000 Jump Starter & S4 4Amp Car Battery Charger Combo - 9% Off - Emergency Vehicle Jump Start and Battery Maintenance for Cars, Trucks, SUVs, Boats, and Motorcycles

BATTERY CHARGER, MAINTAINER & DESULFATOR --IT IS NOT A CAR JUMP STARTER. GOOLOO S4 is an all-weather battery charger, battery maintainer, battery desulfator, works excellently with all 6volt and 12 volt lead-acid locomotive batteries like WET, SLA, GEL, AGM, FLOODED, VRLA batteries and 12volt LiFePO4 batteries.

OPTIMIZING BATTERY PRECISELY-- An 10-stage charging program automatically analyze battery sulfation problem, repair and pulse current charging devulcanize battery to restore the battery lost performance , compensation charging maintain the battery and ensure optimal performance without overcharging.

Starts Most Dead Auto Battery - GOOLOO GP2000 12V portable car battery jump starter is powerful enough to start vehicles (up to 9.0L gas engine / 7.0L diesel engine) fast and easily, with heavy-duty jumper clamps (included).

Portable Power Supply – More than a car battery charger, the GOOLOO GP2000 car battery jump starter includes three USB Ports (15W TYPE-C, USB 5V/9V/12V Quick Charge, USB 5V / 2.4A ) for additional charging convenience of portable devices.

Safe and Secure – SUPERSAFE is a safety protection technology by GOOLOO, which automatically detects reverse polarity to ensure a precise connection before providing power to most automotive battery or electrical device. You can rest assured to use the GOOLOO GP2000 car battery jump starter power pack.