No Memory Effect The robot vacuum battery has no charging memory effect. It can be charged at any time without impacting battery performance, making regular charging convenient and hassle . Comprehensive Safety Protection Equipped with multiple safety mechanisms to prevent overcharging, overdischarging, and shortcircuiting. Safe to use and supports stable operation of the robot vacuum. Compatibility Precisely designed to be compatible with many mainstream robot vacuum models. Strong compatibility and easy replacement to meet the needs of different users. Low SelfDischarge Rate Features an extremely low selfdischarge rate. Even if left unused for a long time, it retains its power. There is no need to charge frequently when you resume cleaning, keeping it ready for use. Use scenarios Replacement battery for busy households: extend cleaning runtime by swapping in a fresh battery when the current one runs low. Spare battery for mixeduse environments: keep one battery charged and ready for quick deployment across multiple cleaning sessions. Broad compatibility in multimodel homes: suitable for many mainstream robot vacuum models, enabling one battery to serve different devices.