Need 8500mAh 32.73WH Doogee BAT20ZN1308500 Battery? This BAT20ZN1308500 battery 100% compatible with Doogee S86 S86Pro. The battery is up to standard and fully compatible with original specifications. We offer 12 months warranty on our all batteries! During this period, if your battery fails, we will replace your BAT20ZN1308500 battery with a new one. All our batteries are certified by CE, UL, ROHS, ISO9001/9002 as safe products.