20000mAh Dual USB Port Power Bank for Mobile Phone
|Min. Order (Pieces)||FOB Price|
|100+||US $7.6 / Piece|
Material: PC V0
Input: 5V, 2A
Output 1: 5V, 2.4A
Output 2: 5V, 2.4A
Large capacity meet the needs of multiple charging, high power conversion rate, long battery life tough and durable data cable cable is tested
many times; we bold copper wire in order to get fast current speed, durability.
Multilayer Intelligent protection of mobile devices and power bank, while ensuring that the current size,stable current, do not form a large current
impact on the mobile device.
Automatically match the current of the various equipment needs, whether it is ipad charge 2.0Aor iphone charge 1A, which are automatic adjustment ,
Compared to 1.0A output current, this power bank improves the speed of 140% of the charge for your mobile device.
Exactly the size for a single hand held, does not feel the slightest difficult to grasp, just right! lightly touch the touch point, the green LED lights display
power left,turn off automatically after 25 seconds without operation.
18 months Product Warranty
Defective in 3 Months: Replacement without Extra Charger
Defective after 3 Months: Replace or repair, Buyers pays the shipping fee for resend or replace product
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How many times can charger my phone?
Number of charges equals = (Power capacity of Power Bank* battery conversion efficiency* phone inner core conversion efficiency (80%))/ the capacity of mobile phone battery
Take for iPhone 6 for example:
Capacity of Power Bank: 20000mAh
Power bank conversion efficiency: 3.7V/5V
Phone inner core conversion efficiency: 80%
The capacity for iPhone6 battery: 1810 mAh
(20000mAh x 3.7/5*80%)/1810=6.5
So 20000mAh Power bank, the total Number of Charger for iPhone 6 is 7 times.
The capacity of commonly mobile phone batteries
iPhone 4S:1470mAh ,for iPhone5: 1440mAh,for iPhone5s: 1560mAh,for iPhone6: 1810mAh,for iPhone6 Plus:2915mAh.
for Samsung GALAXY Note: 2500mAh,for Samsung Galaxy Note: 3000mAh,for Samsung S4/S5:2600mAh
How can I charge this power bank?
We have a charging cable together with power bank; Connect this cable to any USB charger that can charge our power bank.