No more missed calls, untaken pictures or unanswered important messages because of dead battery of the smartphone with ACME power banks! They may extend your devices operating time up to 84* hours which is very convenient on the trip or simply the weekend getaway. Power banks have several USB outputs thus you can charge few devices simultaneously. When it comes to the charging of the power bank, it has both Lightning and micro USB inputs so you can use the cables you already own. Besides, these power banks feature stylish looks thanks to aluminium body and trendy silver colour.