· The product adaptation Part No: CMCB204, CMCB204-2, CMCB205· Product Parameters: Li-ion, Volts: 20.0V, Rate: 4000mAh/80.00Wh. Size: 119.40x78.00x72.00mm, Weight: 815.2g.· Please confirm the part number of the battery before purchasing to ensure that your device can resume operation.· Safety protection: Over-charge, over-discharge, over-heat, over-current & short-circuit protection. Certificated with ISO9001, RoHS, CE, UN38.3, and MSDS.· 12-month Warranty and 30-day Money Back Guarantee, 7*24 hours customer service.