【Battery Parameters】 - 21.6V/4000mAh, Type: Li-ion, Rate: 86.4Wh, 133.56 x 93.87 x 70.28mm, Weight: 937.0g
【Current protection】High quality replacement battery is avoid overcharge and overdischarge, overcurrent short circuit, safer. Protect your device from damage.
【Service Guarantee】The batteries in this store have a one-year quality guarantee, and free return and exchange within one year. Provide 100% satisfied customer service.