Please NOTE :
Power bank has two regular standard of capacity , one is the battery capacity, one is the rated capacity. The 20,000mah power bank, being labeled 10000mah/3.7v core capacity be converted to rated capacity 12400mah/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 20,000mAh power bank can really be used by us is about 12400mAh.
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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AliExpress Shopper –
Молниеносная delivery,-only 4 days!!! Power is heavy, half loaded! Gadgets charges quickly enough! A good unit, for a symbolic cost! Recommend!!!
Color: Black Ships From: Russian Federation
T***r –
The product is excellent, the first week with the portable charger, charging 20% to 100% at least 2 times a day and not discharged completely. My mobile is a galaxy S8 and my cell said it is “slow charging”, uploaded with efficiency as if using the original phone charger. No problems with the product. The pictures below are my use of 5 days.
Color: Black Ships From: CN
v***e –
Charges at night, but not completely, but I have enough for 3 to charge the phone every day, so for me super! The only thing that it is heavy
Color: Black Ships From: CN
S***v –
The order was sent very quickly. To Murmansk came in 10 days. Charged at 70%, the seller is satisfied and recommend.
Color: Black Ships From: Russian Federation
O***a –
Polyethylene film on the bank itself and dust on the body looked like the goods have already been used, but most importantly, that everything works. The bank came charged for two bulbs of four, already twice charged the phone for about 50%, everything is fine, the bank itself has connected only for a minute to check the work. Phone (Xiaomi) from the bank charges quickly, charge the bank itself has not yet tried, I do not know, how long will it take. The unit is heavy, of course, but on trips extremely necessary.
With the seller there was no need to communicate, the goods were sent at the end of the deadline, but delivered in Moscow from the Moscow warehouse the day after sending by IML.
Color: Black Ships From: Russian Federation
Y***n –
It came to him in a week. Packed in pupyrku and foam. How many charges did not count.
Color: Black Ships From: Russian Federation
W***H –
To Novosibirsk delivery in 34 days, all norms, the first metering showed a capacity of 17288
Color: Black Ships From: CN
R***v –
The goods came very quickly, even surprised. Everything works. A little broken plastic bath, but it’s not critical.
In general, everyone is happy, everything is fine.
Color: Black Ships From: Russian Federation
S***b –
Sent quickly, reached 3 weeks. Description corresponds, packed satisfactorily, all whole, charged at 2/3, the power cable has mechanical damage and charging through it does not work, its cable norm. Thank you to the seller, I’m waiting for a replacement power cable.
Color: Black Ships From: Russian Federation
I***y –
The description corresponds to and the weight is more than four hundred grams. I came in a whole box. But a big minus for the wire in the box. Connector in the bank Type C, and the lace was put with a micro USB.
Color: Black Ships From: Russian Federation
R***r –
The goods were delivered to Chelyabinsk in 80 days (to the Mail). The packaging of the goods wishes better, in a simple package put two plates of foam, and between them put powerbank in the sale package. Inside the plastic packaging, the whole cracked and splashed, as the box just rolled on the foam. Powerbank itself is externally whole. Indexing shows 75% charging. Charged to 100% quickly. Two days of use from powerbank charged the smartphone twice, the indication from 100% fell to 75%. I did not communicate with the seller. I liked the goods.
Color: Black Ships From: CN
S***v –
Ordered 21.01.2021 brought the courier 4.02.2021. The quality is excellent, I order the second time-I liked the quality. Can order.
Color: Black Ships From: Russian Federation
D***o –
I’m happy with the quality! Both USB outputs give out about 2.1 amps. No scratches. Assembled qualitatively, the box came whole. In the kit there is a short cable for charging the paver itself through the tmicro USB, many who write that it is not suitable for charging, as they see only Type C,, i and do not see that there is a micro USB input on the side (in the photo I showed). Arrived charged at 75% +. On the case does not leave fingerprints, this is a plus. On the photo on the sides is a protective film, you can remove a short one. I came to Zaporozhye region with a new mail in 20 days. Seller recommend.
Color: Black Ships From: CN
M***c –
this is the second one I ordered, I use it for heating jacket, it’s working great
excellent product
good seller
first one I have more than a year
Color: Black Ships From: CN
3***r –
Excellent goods, but the packing is weak. During the transport, the body cracked. the seller returned the money. I recommend the seller and the goods.
Color: Black Ships From: Russian Federation
D***v –
It’s a little dirty, but it’s not a problem. Himself in good condition. Time will show how long it will last. And so I advise.
Color: Black Ships From: Russian Federation
s***s –
Got it. But I haven’t checked yet. I think it’s okay. Charge full shows. Thank you.
Color: Black Ships From: CN
J***i –
Received well and as description product of good quality and heavy it looks good I didn’t try it yet but I know it works well I recommend it thank you seller and AliExpress
Color: Black Ships From: CN
V***h –
From the Russian warehouse, the IML service was delivered two days before the door in Balashikha. There was a dusty little, but the packaging was tightly closed, ACC collected qualitatively, heavy, but not bulky, charges well. From the charge box was 70%. In the photo mi5s plus.
Color: Black Ships From: Russian Federation
Y***n –
Mega fast shipping. I ordered from a warehouse in Russia. it looks good (not great for having a small loss on the case from the new packaging). at
Turning on showed a full charge. connected two phones at once, both charged quickly enough. The weight is heavy. I hope for a long-term duty cycle.
Color: Black Ships From: Russian Federation