🟢Compatible replacement: Rechargeable Li-ion Battery specifically designed for Tineco A11, PWRHERO 11, PWRHERO 11S, PWRHERO 11 Pet, PWRHERO 11 Snap, PWRHERO 11 ZT Cordless Stick Vacuum Cleaner. 🟢Battery Specification: 22.2V, 2500mAh, 55.5Wh 🟢Li-ion Battery Technology: The rechargeable battery utilizes Lithium-ion (Li-ion) technology, known for its high energy density, longer lifespan, and stable performance. Li-ion batteries provide consistent power and are rechargeable, ensuring reliable and extended usage. 🟢Easy Installation: The battery is designed for easy installation, ensuring a hassle-free replacement process. Simply remove the old battery and insert the new Li-ion battery into the designated compartment of the vacuum cleaner. 🟢Quick Charging: The Li-ion battery is designed to charge efficiently and quickly. Replacement Rechargeable Li-ion Battery specifically designed for Tineco A11, PWRHERO 11, PWRHERO 11S, PWRHERO 11 Pet, PWRHERO 11 Snap, PWRHERO 11 ZT Cordless Stick Vacuum Cleaner.