Our products have many advantages:
1. self-locking button
2.LCD battery capacity disply
3.Vent Valve
4.Relief Valve
5.Filler Nipple
6.Grease Release Valve
7.New resettable fuse
8.New Anti-jamming circuit
9.12V cigarette plug adapter(optional)
10.Warm blanket(optional)
11. DC to AC invertor(optional)