features: uitra-high capacity 12000mah. Uitra-compact: same power, half size, unmatched reliability. It is slim as a bank card, your best choice for your pocket. Uitra-light: it adopts the polymer battery(the safest battery type so far),20% the size and and 30% the weight of other batteries, no burden for you. Uitra-thin, fashion design, portable, suitable for outdoor use, for travelling, etc. It' s very safe to charge. Specifications: model: z19color: rose-gold, silver, goldsize: 134*67*15mmweight: 228gcapacity: 12000mahpower: 37winput: 5v/2.0aoutput vsmart: 5v/2.4amaterial: two-color alumina alloypackage includes: 1* power banknote: according to different conditions, battery capacity can be divided into actual capacity, theoretical capacity, also called rated capacity. Battery capacity refers to the battery storage capacity. The unit is " mah",1ah = 1000mah, so there are some differences between rated capacity and actual capacity in li-ion battery. It is normal and reasonable.
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