Specification:Battery type: Lithium ion; Voltage: 16.6V ; Capacity: 5200mAh providing higher quality, longer life time and use experience. Reliable safety protection functions for short-circuit, over-voltage, over-current, over-heat and over-discharge. Lithium Ion Premium Battery: Class A batteries can be recharged up to 500 times during the battery life. low power consumption and fast charging High efficiency and reliability, safe to use Stable charging performance, long service life color: White material: plastic Package Contents: 1 x Vacuum Cleaner Battery Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.