The failure of internal LED chip ESD that discharge path incurred, this failure may be just part of the function is damaged, it will cause serious damage from LED.
Resistance: should choose the Germany sunshine battery internal resistance small, can continuous large current discharge.
内阻：应选择内阻小的德国阳光蓄电池，这样才能持续大电流放电。
3
The internal circuit, the lamp is designed to prevent overcharge, over discharge, short circuit protection device and the switch function of anti misoperation.