Specifications of Battery: Voltage: 8V Capacity: 2000mAh Type: Li-ion Gross weight: 94g Specifications of Charger: Input voltage: 100-240V Input current: 0.8A Fit Voltage: 7.2V Output: 8.4V/1.5A Type: Li-ion Compatible Battery: Dewalt DCB080 Applicable Machines: Dewalt DCF680N1, DW4390, DCF680N2, DCF680G2, DCL023 Tips for Battery: The battery is suggested to be charge and discharge three times first to get the best performance. The battery should keep cool down before charging. The battery should be used at least once a month. Don't let it lay idle for a long time. Tips for Charger: LED light stays red: Being charged LED light stays green: Fully charged LED light flashes red: Poor or reverse connection, high temperature etc.