Source : https://www.deal.alaaexpress.com/product/vinsic-alien-p7-ultra-slim-15000mah-power-bank-portable-external-battery-charger-dual-usb-for-iphone-x-8-8-plus-samsung-s8-s8/
Vinsic Alien P7 Ultra Slim 15000mAh Power Bank Portable External Battery Charger Dual USB for iPhone X 8 8 Plus Samsung S8 S8+
Vinsic Charging Brand among the world. It isn’t simply bigger capacity — it’s better in every way. Simpler, dramatically thinner. More powerful, but remarkably power efficient. Smooth aluminum surface, with exclusive one piece design, creating a new generation of power bank that’s better by any measure. 3D cambered surface ground by CNC processing made our power bank looks super slim, the surface made with beautiful anodized aluminum with the highest aluminum sands which you will find our power bank looks more exquisite and glitter than for Apple product, definitely eye-catching! Exclusive One Piece Design appealing to even Steve Jobs. No ON/OFF button, Charging will automatically start when connected. Touching the screen the remaining battery life will get showed immediately. Smoothly side meets the anodized aluminum enclosure in a remarkable, simplified design. No distinct edges, No gaps, just a smooth, seamless bond of metal that feels like one continuous surface. Using international high-end cell supplier, Lithium-Polymer battery (the same for iPad’s) Vinsic power bank 15000mah comes with two USB ports 2.4A &2.4A which can be used to charge two devices simultaneously. It is universal fits for iPhone, for iPad, iPod, for Samsung devices, HTC phones, tablet PCs, digital cameras, game consoles and MP3/MP4 players, etc Capacity: 15000mAh USB Port: 2 x USB Input: 5V, 2A Output1: 5V 2.4A (MAX) Output2: 5V 2.4A (MAX) 1 x Vinsic® 15000mAh Power Bank 1 x USB Charging Cable (iPhone cable not included)
Vinsic power bank 15000mAh 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 15000mah 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 15000mah 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: 15000mAh
Power bank conversion efficiency: 3.7V/5V
Phone inner core conversion efficiency: 80%
The capacity for iPhone6 battery: 1810 mAh
(15000mAh x 3.7/5*80%)/1810=4.9
So 20000mAh Power bank, the total Number of Charger for iPhone 6 is 5 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
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.