A rubber cover to prevent dust from entering. What's in the box.
GOOLOO GT4000 4000A Car Batter Jump Starter Battery Booster Pre-heating Tech UK
GOOLOO GT4000 4000A Car Batter Jump Starter Battery Booster Charger battery box
GOOLOO GT4000S 4000A Car Battery Jump Starter 12V Engine Booster Pack 20000mAh.
GOOLOO GT4000 Car Jump Starter 4000A 100W Fast-Charging SuperSafe Portable
GOOLOO GT4000 Car Jump Starter 4000A Fast-Charging with -40℉ Pre-Heating Tech
GOOLOO GT4000 Car Jump Starter 4000A Fast-Charging with -40℉ Pre-Heating Tech UK
