Among the external battery large volume stands out Xiaomi Powerbank, whose capacity - 16 000 mAh, and the cost is about $ 30. Therefore, if and to offer other options for a large amount, it is only if they are capable of more. Limefuel Rugged capable.
Full battery name - Limefuel IP66 Rugged 15000mAh. Apparently, the creators have tried to insert the name of all the information required to the buyer. As is clear, the battery capacity - 15 000 mAh. In addition, it is protected from dust, dirt, shock and water IP66 standard.
The device also is not afraid of low temperature - at uncritical minus it is able not only to survive, but also to charge the device. The current strength of 2 A makes charging faster, and at the same time you can charge two devices.
The battery will automatically enter power-saving mode, if they do not use for a long time. Judging by the reviews journalists, Rugged - one of the best external batteries, they tried, the quality, volume and strength.
Hardly a high price, but it can not be called low.
battery cost — $84,99. Included with it is a carabiner for carrying and charging cable. Also on Rugged extends the company guarantee for 1 year.