... Super Power Battery 7.4V,2500MAH/3.7V,5000MAH, Long Working Time. Sustain consecutive Working above 20 hours (depends on specific situation), 10 ... Engineering Design190(L)×78(W)×40(T) mmWeight430g( Including Battery)Working EnvironmentOperation Temp.-15~+50°CStorable Temp.-20~+60°CWorking Wet ...