Product Information: Capacity: 6500mAh; Volt: 14.4V ; Type: rechargeable lithium battery Wide Compatibility: Battery for Xiaomi Roborock S4, S4Max, S5, S5Max, S6, S7, S50, S51, S52, S55, S6, S6Max, S6 MaxV, S6 Pure, S7 MAX, S7 MaxV, S7 Maxv Ultra, Roborock S8, S8+, S8 Pro Ultra;for Xiaomi Q7 Pure, Q7 Max, Q7 Max+, Q5, Q5+, Q8, Q8 Max Robot Vacuum, for Xiaomi Mijia 1 generation, Mijia 2 generation, Mijia 1S, Roborock T4, Roborock T6, Roborock T7, Roborock T60, Roborock T61, Roborock T65; for Xiaowa Roborock C10, E4, E5, E20, E25, E35 Robot Vacuum Safe and Reliable: Built-in multiple protection systems, including overcharge protection, over-discharge protection, short-circuit protection, and temperature control, ensuring safety and prolonging battery life Made of high quality shell material: with excellent sealing performance and impact resistance, it can effectively resist the erosion of the external environment, provide all-round protection for the internal battery components, and increase the aesthetics and practicality of the product High Capacity: Equipped with 6500mAh Li-ion battery, it delivers extended runtime, allowing your robot vacuum to clean more efficiently and cover larger areas without frequent recharging Buy with confidence: 60 days refund or replacemrnt. 24 x 7 email support. If you have any questions, please contact us directly. We are committed to resolving any situation in which our product does not meet your expectation 14.4V 6500mAh Lithium Replacement Battery Compatible with Xiaomi Roborock Q5 Q5+ Q7 Pure Q7 Max, S4 S5 S7 S6 Pure/ Max/ MaxV/ MaxV Ultra S50 S51 S55 Robot Vacuum