40Vmax XGT 4.0Ah Battery

CONVENIENCE: Battery charge level with 4 bright green L.E.D. indicators to clearly see the charge level
EFFICIENCY: Reaches full charge in 45 minutes or less with Makita's DC40RA 40Vmax Rapid Charger. 
DURABILITY: XGT batteries feature an advanced design impact-resistant outer case and shock-absorbing shell and strengthened battery terminals/rails
PROTECTION: Water and dust-resistant triple layer structure and an enhanced terminal structure are engineered to protect against water and dust for any job site condition.
TECHNOLOGY: Digital communication within XGT actively protects against overload, over-discharge and overheating