20V Battery Compatibility: Compatible with Dewalt 20V battery DCB207, DCB206, DCB205, DCB180, DCB204-2, DCB205-2, DCB203, DCB202 and DCD, DCF, DCG, DCS series tools. 12V/20V Charger Compatibility: Replacement for dewalt battery charger supports 100-260V, which is 100% compatible with dewalt 20v battery DCB200 DCB120 DCB201 DCB203 DCB204 DCB206, etc. Excellent compatibility can meet the charging requirements of your battery. Safe Assurance: It is designed with 6 protection functions to ensure that the battery can avoid overcharging, overload, over-current, overheating, over-voltage and short circuit when in use. Make sure you can use the battery safely. Smart Indicator: Equipped with four LED lights. When three lights are on, the remaining power is 100%; when two lights are on, it is 60%; when one light is on, it means 30% left. It can help you check the battery status.