About this item

• 【Perfect Compatibility】‌Designed specifically Suitable for Tineco Floor ONE S5 PRO 2/S5 models, passes rigorous compatibility testing. Excludes S3/S7/S7 PRO models
• 【High-Capacity Performance】‌21.6V/4000mAh (86.4Wh) premium lithium-ion cells deliver 25% longer runtime than standard batteries, supporting 45-60min deep cleaning per charge
• 【Advanced Safety System】‌Built-in protection (over-current/over-voltage/short-circuit/temperature control) with UL/CE/FCC certification. Fireproof ABS casing ensures 1000+ charge cycles
• 【Battery Installation】‌Open the battery compartment, unscrew the screws of the protective plate and remove it, then unplug the connecting cable, unscrew the screws to remove the original battery, and then insert the replacement battery
• 【Reliable Support】We specialize in providing quality power products and quality customer service. Defective units qualify for Amazon's return polcy.If you encounter any problems, our exclusive customer service is always ready to provide you with one-on-one solutions