Product details of Macsonic Portable Battery Bank 12000mAh White
An iPhone 4/4S has at least 1400mAh power source to run the whole phone. To roughly calculate how many times this power bank can charge, kindly use the formula below:
For instance, a 12000mAh Macsonic Portable Battery Bank is equivalent to 12000mAh x 80% = 9600mAh (because power consumption will not be 100% used as mentioned in storage).
Then, take 9600 mAh x 3.7v/5.0v (V is depending on the powerbank Voltage) = 7104mAh.
Finally use 1400mAH (iphone Power Source) to divided by 7104mAh = 5 to 6 times charging power!!!
Besides being able to charge up to 2 USB-enabled devices simultaneously, it also includes 8 adaptor heads which are compatible with smart phones, MP3 players, game consoles, cameras and many more. There is also an LED indicator which will show the battery level and charging status.
You name it; this Macsonic Universal Power Bank is compatible with Apple products, Blackberry, Dopod, HTC, Samsung, LG, Motorola, Nokia, Sony Ericsson and so many more! It even works with gaming consoles (PSP, NDSI, NDSL, etc.) and a wide range of MP3, MP4 and MP5 players! And no, that’s not all, because you can even charge your digital cameras, handheld computers (IPC, APC, PDA, PSD, etc.) and also DVD, CD and DV players with this bank. So wait no longer and own this must have item today!