Note: This battery can only be charged with our charger,pls order it with our charger when you make purchase!!!Thank you!!! Battery Type: Ni-MH Voltage: 24V Capacity: 4000mAh Factory outlet, you can get the best deal and professional after-sale service FCC, CE and RoHS certified, 100% compatible with the originals and may exceed the performance of OEM products UK/EU Charger Input Voltage: AC100-240V Input Current: 0.8A Output Voltage: 36V Output Current: 1.5A Fit Voltage: 24V Replacement Part: HILTI: 24V B24, B 24/2.0, B 24/3.0 Compatible Models: HILTI: SFL 24,TE 2-A,UH 240-A,WSC 55-A24,WSC 6.5, WSR 650-A,WSW 650-A Note: It's recommended that the battery should be fully charged and discharged 3 times after you receive the battery. Remain Red: charging Remain Green: full charged.