This battery is undoubtedly an indispensable companion for any world traveler who wants to stay connected for a long journey. Powerful it allows simultaneous charging and safe 3 devices (tablets, phones or other device with a USB recharging cable). We had the opportunity to test this battery on the road for a week and she sest descapade proved extremely useful and practical. Thanks to her, we recharged our phones (iPhone, Samsung Galaxy Note) and tablet (Samsung Galaxy Tab) freely and quickly during long journeys. The children were able to watch movies and play on the tablet while connecting it to the battery and we were pleasantly surprised at the speed at which we were able to recharge our mobile phones! Appending to all that has been said if only its use could not be simpler, that the flashlight feature is nice and allows you to locate in the dark in order to connect without disturbing those around him, lighting his light (I think the cabin of a plane at night) that I was able to charge more than twice my tablet with a full load, and that yes, this is a great device even if it is bulky, heavy and that it will not charge quickly because of its large storage capacity. A case would have been nice to protect it from scratches during transport bag. Quoiquil be, this battery will be extremely helpful to my bearded man who goes to Australia for his work and will finally be able to stay connected all the way (23H), which wasnt the case before I naurais more to twist my Dangoisse hands waiting to finally receive a message from him! Yes, price is important, but a guarantee of 18 months is offered, and the dune promise responsive customer service and friendly and if like us, you travel often, I am sure that this battery will bring you full satisfaction!