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The power bank has two regular standards 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 the power bank’s battery voltage is 3.7V, and power bank needs to increase the voltage to 5V when charging the mobile phone, which makes 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 only about 6500mAh.
Also, The conversion rate of the entire mobile power industry is basically in the range of 60%-70%. Please kindly note.
Delivery to Kiev in 10 days. Super fast shipping! Track tracked. Excellent paverbank, beautiful, stylish. Works fine, convenient, not very heavy. We’ll watch ourselves show. Was charged at 76%. Thank you so much!!! Great product, I recommend it to everyone!!! Good luck!!!+++++
Everything came well quickly, works, did not communicate with the store, according to the reviews of the class, as next we will see
Led 45 days (river), but usually powerbank takes even more. Not taxed. Not know the brand, it delivers what it promises. Am satisfied.
Shipment dotarła on time, all complete, recommend store.
Looks like in the picture. Came charged for 78%. Immediately checked in the case, the phone was charged quickly. It is convenient that the charging percentage is displayed. The case is stylish, streamlined, but heavy.
Good power bank, fast delivery. Recommend.
Everything came in good condition. I haven’t checked yet. Then I’ll add a tip. The packing is whole and not crumpled.
Очень быстро приехал, качество бомба честно говоря, коробка в целости и сохранности.
Finally arrived after it’s waiting for months. But because the first had gone astray. Seller wonderful has always tried to solve the problem is pick me meeting in all ways. Recommend it really. Available. Friendly. Ever-present. Thank you. Thank you.
3A 500 rubles came out with all the discounts)) consider that the gift is simple! Charges well, looks decent, there are 2 options for its charging via micro USB and a drawing of type C (and it’s cool), but charging other device it would only produce by to add Type C, but for this price no matter)) so I advise!
Fast delivery by courier. Branded packaging, in the kit there is a cord for charging the paverbank. It is convenient that there is a screen-you can see the percentage of the remaining capacity. Heavy, but I think that it will be convenient to carry with you in the bag.
It came in 40 days, looks neat. The bank came charged by 84 percent, from scratch charged the phone with a capacity of 4500, spent 42 percent.
пришло быстро, упаковано хорошо. работает. был заряжен на 75%.
Спасибо продавцу, дошёл как всегда вовремя, даже раньше времени! Заряд батареи 70% был. Дизайн супер, в руках не скользит, вес 230 грамм.
Has received lightning from delivery to home, from the moment of the order it has not been a week. Tracked and delivered by DPD service. Thank you for your Guardian sending! After use, I will try to complement the review.
The product supersky approached as it should all as in the description
It came very quickly, everything is well packed, as it holds the charge I still can not say, only received the parcel and opened, not heavy
качество отличное. заряжен на 70 процентов. доставка три недели до Казани.
The box was crumpled but the goods themselves at first glance whole. I did not check the work. I take the second time from this producer. The first very satisfied works 8 months without problems.
Упаковка немного помята, но товар целый и работает.
Брал за двести писят рублей с купонами. Зачем он мне нужен хз 🙂 Заряжает телефон очень медленно , берите лучше который подороже с быстрой зарядкой. Шло почти три месяца, принес домой курьер неожиданно без предупреждения и случайно застал меня дома.
Today I received and checked everything works perfectly let’s see how it will continue to work
Excellent. Fast shipping. In the original packaging.
Bardzo fajna i przydatna rzec. Straciłam około 30% baterii powerbanka na naładowanie do 100% Iphona, także myślę, że na 3-4 ładowania do pełna telefony na pewno się sprawdzi. Za taką cenę mogę jak najbardziej polecić 🙂
While everything is good, I liked it. I decided to swing the jar, for everyone.
It came quickly, I try in the case, I’ll sign off on work later
Very neat product. I didn’t check it. It came quickly. Charged by 80 percent came. In the photo, the second bank for 10 amperes from Romos. The weight is the same. For 400 with a penny gift.
товар доставлен в Новосибирск за 5 дней. упаковано отлично. за 2шт заплатила 953р. заряжены оба на 71 и 82%. заряжает хорошо. ёмкость конечно не 10000. в руке удобно лежит. рекомендую.
It came quickly. Everything works. How does the battery still not check.
Delivery to Donetsk 18 days. Track number was tracked, packed in an envelope. Bought for 9 $-1 $-0.8 $-1.77 $ model Kuulaa White, 10K. mAh (37wh), 2.1a, 226g 14*6.7*1.6cm. The store and I recommend it.
40 дней и посылку получил, было 75% заряда, удобная компактная, мне , рекомендую
OK
Claims No, everything works, only delivery of the month 2
To Chelyabinsk 8 days by post of Russia with tracking, 646₽. Of the two ordered only this worker, for 8.56 hours dial 9269 mAh. The second does not work at all
All super-instant shipment. Delivery to St. Petersburg 4 days! Was already charged at 80%. Thank you store! I plan to order another one.
Power bank дошел до РБ за месяц. Все соответствует описанию. Быстрая зарядка поддерживается в обе стороны.
Thank you, everything has come! The parcel is well packed. Quickly came So…
Thank you for the fast and timely delivery, everything came quickly, clearly. I am very pleased with the purchase and advise you to order from this store. during the delivery I was in contact with the seller and my wishes were heard and all fixed… Thank You You You You
Delivered by courier, very quickly. The belbank is excellent, the charged 81% came. Charged the phone from 68 to 100%, giving 22% of its capacity. Seller recommend. I’ll order more.
Thank you! Good Pawer bank-checked in work-works fine.
Ainda não sei, vou testar, parece q carrega rápido testei por poucos minutos e ja carregou 3 pontos do meu sony xpedia xa2 ultra. Mas ainda não coloquei para carregar o carregador portatil.
I expected of course that it would be slightly smaller and slightly lighter. Real capacity about 8000(+-20% loss, which is absolutely normal), looks very cool, there are 3 amps, even a display player. As it all got into 700 rubles (9 $) -a puzzle, given also the delivery of the door to door.
Llegó en 3 días.Contento.Funciona de maravilla. 10 estrellas. Recomiendo vendedor.
Beautiful Powerful arrived in 6 working days in Italy it tested some looks great
Thank you very much to the store, the goods came in three weeks to Ukraine. I order it for the second time, I gave it to my son. About the product, convenient, compact and good design. Seller recommend.
Battery came well packed, was charged at 78%
Excellent Pomer Bank, the store sent quickly, all packed well cut OK seller recommend thank you!!!
Se ve genial ya lo estoy usando y va todo bien.. Recomiendo el producto y al vendedor… Gracias
Отличный powerbank. Пришло оочень быстро за одну неделю. Можно подключить 2 устройства. Пришёл заряженным на 82 процента. Зарядила наушники и телефон изьяло всего лишь 2 процента. Я очень довольна покупкой.
The external battery arrived in Ukraine in 19 days. Fully corresponds to the description. I came packed in pupyshki, without damage. Charged at 75%. To the store a separate respect. Powerbank works and it pleases. The seller and I recommend it.
The parcel came Postamat shop Pyaterochka although banks for 20.000 go through sdek. everything works.
The parcel came quickly. The product corresponds to the description. I’m happy with the purchase.
Norms. Track order only almost a month did not track.
Delivery by courier DPD to door-8 days. Packing is excellent. Everything corresponds to the description, charging at the time of delivery 78%. Checked, works. If it doesn’t add up. Recall, then everything is nishtyak!
Seller super. The order came very quickly, literally in a week. I recommend, an excellent store.
All came, sent very quickly delivery 4 days to Belgorod, visually no damage, charged 81 percent Later in addition I will leave feedback Recommend
Prishol charged beautiful less phone thank you all OK.
The product came very fast, in less than 48H very satisfied
The parcel received everything works, the product is satisfied. it charges quickly, so I recommend the goods.
Delivered in 4 days. Got five in the pedestal. Made neatly. Plastic matte. Charges with a current of 2.15 A. Measurements in the photo.
It came very quickly. Everything works fine. Recommend.
Chic Bank, looks very solid, heavy. came with 76% charge
The bank is delivered by courier DPD without damage, charged for 81%, after testing I will add a review
It came for weeks 2 (delivery was established, 4 days late). It seems like a normal, like a week with it and I will unsubscribe.
To Nizhnevartovsk 6 days I will order more Seller recommend
Cool!!!! Practice will show, but now I can say that the purchase is happy
produto ótimo, veio bem embalado e em ótimo estado!
Courier delivery by new mail, brought home. It’s been three weeks. Charged was 77% works, I’ll add later.
muito boa. estou testando. realmente têm carregamento rápido. recomendo.
Не отслеживался долго, потом прояснилось и доехал до Киева за 3 недели. С виду нормальный повер, заряжен на 76%, дальше посмотрим. Тяжеленький. Будут косяки какие- допишу отзыв!
Delivery 4 days before the Sverdlovsk region of the SDEC. The goods are packed well. everything is clear. Charged 81%.
Everything is super!!! Good can. Charges. I came to Astrakhan for a week. Sdecom. Everything is fine, in short, thanks to the store. The charge was 80 percent.
Быстрая доставка. По внешнему виду, качественный товар. Все остальное как в описании и на фото.
пришёл быстро качество отличное товар соответствует описанию
Доставка с момента заказа восемь дней.Сама банка аккуратная, ни каких косяков не нашол ни царапин ни трещин. Как будет работать не знаю, нужно время. Всем СПАСИБО.
Все очень хорошо, но есть одно но если бы сразу отдали на другую службу доставки почта Китая продежала больше месяца, как только передали на другую службу доставки доехал очень быстро. Банки прибыли с зарядом 80% это уже не первый этого производителя, если нужно хороший павер банк, цена и качество то это именно то что нужно. Спасибо
Perfect, recommend to everyone, active fast charge in cell normally, am very satisfied
Ехал ну очень долго, 43 дня( почти не отслеживался месяц. В рабо дальше посмотрю.
Банка отличная, покупал за 500 рублей. Доставка быстрая!
Really liked, not charge as fast as calling the device direct plug in but has a charging average (with only a connected device charging, tested many charges not tested with two and also not possible to him in 100% loaded). Takes around 5h pro full charging charger.