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Xiaomi Zi7 Zi 7 Zi5 Zi 5 Rechargeable Battery AA AAA - Baterai Cas AA Zi5 AAA Zi7 Features Xiaomi ZI5 & Zi7 Ni-MH batteries are more reliable and environmentally friendly, because they can be recharged and used up to 1500 times! You can use just one ZI5 & Zi7 battery instead of 1500 disposable ones, which will help to reduce the level of environmental pollution. Every ZI5 battery is produced by famous manufacturer in Japan, ensuring 1800mAh high capacity and long life time. Every ZI7 battery is produced by famous manufacturer in Japan, ensuring 700mAh high capacity and long life time. After fully charged and stored for one year, ZI5 & Zi7 still remains around 80pct of its original capacity. The ZI5 & Zi7 can be charged and discharged at anytime, the usable capacity of battery will not reduce, and the correlation between voltage and charge status won't be shifted. ZI5 & Zi7 can keep excellent performance even under subzero 20 degree centigrade. Up to 1500 cycles of use High capacity No memory effect Low self-discharge Bidirectional charger 1 battery Zi5 or ZI7 Ni-MH = 1500 disposable batteries Specifications Brand: Xiaomi Model: ZI5 Type: Ni-MH rechargeable batteries Roated power: 1.2V Battery capacity: 1800mAh (Zi5) 700mAh (Zi7) Charging time: 3.7h ?harging conditions: 255mA ? 3.7h Operating temperature: -5 ~ 50? Temperature range for charging: 0 ~ 40? Life cycle: At least 60% of the capacity after 1500 charge Self-discharge: Keeps 80% of power at room temperature for 1 year Color: Black, White Package Contents 4 x Xiaomi Zi5 AA / Zi7 AAA Ni-MH Battery