New dual-interface bank 20000 mAh power bank universal mobile power backup battery bank for samsung iphone ipad xiaomi chatger

Package included :
1 x 20000mah Charger
1 x User manual
1 x Retail box

Please check carefully before placing the order

Note 1 : Power Banks with Universal USB Cable and Retail Packages.

Note 2: there are 5 colors: silver gold black , blue rose please leave message to tell us which color do you prefer, or we will send randomly. Thx.

Note 3: How to Calculate the working capacity:

Battery Volatge(Input Voltage): 3.7V

Power bank Voltage(Output volatge): 5V

When working, it may lose 15-25% energy

Working Capacity=20000mah*3.7V/5V*75%= 10000mah

So when you using this power bank, you can use about 10000mah capacity.
Of course, there are a lot of conservation of energy and power conversion, liberalization, we just hope that customers can understand
Work time (online)
Chinese time: 9.00 – 18.00
Shipping time :
Russia: 20 to 30 days
Brazil: 25 to 90 days
The United States: 20 to 35 days
Nigeria: 20 to 45 days
Free shipping about a month, transportation way, China post to Russia, other countries for the Swedish postal service or the Netherlands.
Products with retail packaging, free shipping products, there is no guarantee that all products retail packing sound

Buyer protection

In some countries, some time, if a buyer protection it shall come to an end, but you haven’t received the product, please contact me, I for you to extend the time of protection

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