Product Information: Type: Lithium Battery; Volt: 14.4V; Capacity: 6500mAh; Weight: about 450g Compatible Models: 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/ S8, S8+, S8 Pro Ultra; for Xiaomi Q7 Pure/ Q7 Max/ Q7 Max+/ Q5/ Q5+/ Q380RR/ Q Revo 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 Multi-Protection System: Built-in multiple circuit protection (overcharge, over-current, over-voltage, short-circuit, high-temperature) ，effectively avoid safety issues.No memory effect: the battery can be recycled at least 600 times and the battery capacity cannot be reduced 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 Easy to install: Simply remove the two screws on the bottom, remove the battery connector, and insert a new battery to revitalize your robot 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 Battery For: Replacement for Xiaomi Mijia Roborock S5 S6 S7 S50 E25 S51 S55 Xiaowa E20 E25 E35 Series