Makita DF331 DWYE Cordless Driver 3/8" Max 12V CXT

The slide battery fits easily into the tools and new chargers and has built-in protection to prevent overload or over discharging.
Small and versatile
Battery LED fuel gauge indicator
Higher battery capacity
Individual cell monitoring
Protection circuitry
Low temperature performance
The new slide batteries have protection overload circuitry, will operate down to -20°C and have a 4-stage LED fuel gauge indicator.