Compatible with Craftsman v20 battery CMCB204 CMCB202 CMCB201 CMCB209 CMCB206 CMCB205 (Only for v20 series, Not for 19.2v dieHard series battery)
Diagnostics with LED indicator shows battery charging status; Durable and cooling system has the function of stable heat dissipation
Built-in multiple protections: overcharging, over-discharge, over current, overvoltage, and short circuit protection, to ensure safety and extend battery life