Please NOTE :
Power bank has two regular standard of capacity , one is the battery capacity, one is the rated capacity. The 10000mah power bank, being labeled 10000mah/3.7v core capacity be converted to rated capacity 6500mah/5v.
Why exist this difference?
The most important reason is the conversion rate. Because most of power bank’s battery voltage is 3.7V, and power bank needs to increase the voltage to 5V when charging the mobile phone, which making the power bank’s conversion efficiency only 3.75/5=74%, Also include generated heat when battery voltage boosting, and various of wire consumption, Electricity and self-consumption. these points add up to account for 30%-40% of the power of the mobile power source.So the 10,000mAh power bank can really be used by us is about 6200mAh.
Also, The conversion rate of the entire mobile power industry is basically in the range of 60%-70%. Please kindly noted.
Please search on Google if want to know the details
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отличный вариант для универсалов, маленький, рекомендую, хватает 2 раза заряжать 4000 Мач
Хорошая зарядка, выглядит симпатично, матовый пластик, приятный. Хватает чтобы зарядить 2-3 раза телефон, очень быстро. Супер!
Packing is not broken. Functions normally, went a month where that
Delivered the battery quickly. The battery is precisely as in the description, the characteristics correspond. 5 stars out of 5
Pover bank came in a month, everything works , The quality is good, all as in the description, recommend to buy.
Fire! Fast charging holds, received in 23 days. In general, I'm happy with the device!
Delivery by cdekom to Moscow. Ordered on June 1, brought to the doors on June 30. The package was crumpled, so it will not go for a gift. But they ordered not for a gift. Otherwise, everything is fine. It is a pity that in the kit there was only a USB-microUSB cable. For full happiness, I would like typec-typec too. And so, I recommend.
I did not expect that it will come even better than in the photo. The declared characteristics correspond. Charges surprisingly very quickly.
The box was crumpled, but the battery itself is intact. Everything works
Good thing. The whole road was tracked. Sent the next day after payment, excellent prompt store! The product fully meets the criteria described, the charge is fast! Thank you!