Designed specifically for the JASHEN V18 Cordless Vacuum Cleaner. 1pc 2500mAh detachable, rechargeable lithium-ion battery with LED panel. Can operate 15-40 mins of cord-free cleaning. Extra battery provides up to an additional 40min running time on MIN mode. Voltage 25.2 Volts. Docking station (included with your vacuum) compatible for a secondary battery for even more deep cleaning. Buying an additional battery allows you to charge two batteries at once! Batteries require a full 4-hour charge for optimum performance. Features Compatible with: JASHEN V18 Cordless Vacuum Cleaner 1pc 2500mAh detachable, rechargeable lithium-ion battery with LED panel. Can operate 15-40 mins of cord-free cleaning Voltage: 25.2 Volts