Vinsic power bank 12000mAh uses Lithium-Polymer battery, I want to know what is difference with other power bank?
The battery of power bank with 2 types: 1.Lithium-Polymer 2.Lithium-Ion(18650)
Pros: Latest technology, Less warmer, non-flammable, non-explosive, stable and safe, slightly
Cons: Cost is high
Pros: Easy to get "hot" or simply warmer than expected, flammable and explosive
Cons: smaller in size
Vinsic power bank 12000mah not only uses the Lithium-Polymer battery, but also chooses the best brand battery in order to make sure our customers’ 100% safety.
Does your Vinsic 12000mah power bank have the real capacity?
Vinsic is well-known brand Power Bank Company, we declare the real capacity for all power bank we sell.
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: 12000mAh
Power bank conversion efficiency: 3.7V/5V
Phone inner core conversion efficiency: 80%
The capacity for iPhone6 battery: 1810 mAh
(12000mAh x 3.7/5*80%)/1810=3.9
So 20000mAh Power bank, the total Number of Charger for iPhone 6 is 4 times.
The capacity of commonly mobile phone batteries
iPhone4S: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