8.Lock/unlock function: when system is locked, the device doesn't work
9.Low resistance protection (< 0.15ohm)
10.Low voltage protection (input voltage < 6.4V)
11. High voltage warning (high battery input voltage: > 9.0V)
The Sigelei 100W Plus is upgrade version of Sigelei 100W. The battery cover does not have screw holes and is replaced by 2 magnets on top and bottom. It utilizes the same dependable Yihi Chip that allows you to go up to 100W.