●Adopting Japanese high performance Li-ion (Li-Mn) battery.
●Built in protection device to prevent battery overcharge and over discharge.
●The latch design increases intensity and convenience when assembling or dismantling the rechargeable battery from the cordless screwdriver.
●Fully charged voltage: 21V, low-voltage protection: 13.5V, over-temperature protection (discharge): 72。C .
●Battery ID identification design, which only allows original charge station to recharge the battery to secure battery safety and extend battery lifetime.