21.6V 3750mAh Vacuum Cleaner Battery, Compatible for Shark Ninja XBATR640US, Replacement for IP1251 IP1250 IP1255 IP1220 RV750 WandVac IONFlex, Long Lasting Li-ion Power

Compatible models:XBATR640US, IP1251, IP1250, IP1255, IP1220, RV750, RV700, RV720, RV755, IZ682H, IONFlex XBAT200, WandVac WV250, V2700 Series.Material properties:Environmental engineering shell: PC-ABS flame retardant material integrated molding, impact resistant, wear-resistant, suitable for original chargers.Functional advantages:Long term operation: Supports standard mode for 30 minutes/high-speed mode for 8 minutes, meeting the deep cleaning needs of the entire house.Intelligent management chip: Real time monitoring of temperature and voltage status, preventing overload and short circuit, and extending equipment life.Fast charging compatibility: 5 hours to fully charge (original charger), supports simultaneous charging and use, no memory effect.

• Compatibility coverage: Perfectly matches XBATR640US, IP1251, IP1250, IP1255, IP1220, RV750, WandVac, IONFlex and other models, solving the problem of model confusion.
• Long lasting battery upgrade: 3750mAh high-capacity lithium battery, 15% longer than the original factory battery, supports high-intensity cleaning for 40 minutes (standard mode), bidding farewell to frequent charging.
• Security guarantee: Built in triple circuit protection for overcharging, overdischarging, and overcurrent to prevent equipment damage.
• Ready to use design: No activation or calibration required, disassembly and installation can be completed in one step, compatible with wall mounted charging stations, saving space.
• Environmentally friendly and durable technology: PC-ABS fireproof shell+shockproof structure, resistant to high and low temperature environments, with a cycle life of ≥ 500 times and a capacity retention rate of ≥ 80%.