MaximalPower MaximalPower Power Tool Replacement Li-ion Battery and Battery Charger Combo for DEWALT 18V, DC9310, DC385, DC390, DC825 Battery: Lithium Ion, 3000mAh/3AH for DEWALT 18V DC9310 DC385 DC390 DC825 Power Tool Charger can be used with ALL DEWALT Lithium-Ion 14.4V-18V batteries ONLY Charger is compatible with OEB charger part numbers - DC9310, DC9320 or DC9319 Charger Output Voltage: DC 21V 2A; Input Voltage: AC 100-240V