Portable energy bank - REMAX Pino RPP-51. It's a portable battery no bigger than a box. Quickly charges your mobile phone in the lack of power. Made of high quality plastic, which is both durable and pleasant to the touch. 2500 mAh capacity is enough for one or two smartphone recharges. Compact size makes the product comfortable to use - just plug in a regular USB cable and press the button. Wide compatibility - the product connects with a wide range of gadgets, such as smartphones, MP3 players, compact cameras. Available in several fashionable colors. Specification: Size: 9*63*76 mm Capacity: 2500 mAh Battery: Polymer Output: DC5V-1.0A Input: DC5V-1.0A NOTE! Nominal capacity expressed in mAh (milliampere hours) means the sum of all cells that were used in the power bank. The cells used have a voltage of 3.6 - 3.7V, while the standard USB port - 5V, so voltage conversion is necessary, which in turn translates into real capacity. After conversion, it is usually around 65-67% of the original value. This means that for a power bank with a capacity of 12,000 mAh, in fact about 8,000 mAh is available.