This backup battery is distinguished by its enormous capacity including the ability to recharge a laptop. Tested with a 17-inch, it works perfectly and allows my case to charge it once. Of course you can also charge any other devices such as tablet, phone, GPS, ... Caution, however, given its capacity this battery is a bit heavy and bulky. But if you need such power it is reasonable from the point of view of its size. It remains solid and well designed anyway. I use other batteries of the same brand also for several months, no worries. Good product that also allows more or less from one week without worrying about recharging his smartphone!
