The lamp is very powerful and makes immediately think of a UltraFire torch. It can be set via two modes plus a function to blink. We can also extend the high part to diffuse light in a wider circle, if not downright bring out a little tube which is ideal in a tent for example (see video).
This lamp can also be used as battery backup since with its load of 2,400 mAh, it can recharge once most modern smartphones. By cons, it therefore delivers qu'1A and recharge more slowly greediest devices like Apple's.
This lamp Battery 2 in 1 is designed primarily as a lamp and therefore excels in this area. It acts as a mini-troche UltraFire which can easily adjust the precision and the desired intensity. And it can also occasionally serve as a backup charger.
Pros: - powerful lamp (300 lumens) - Adjustable beam - Strap provided
Cons: - load speed limited to 1A - not supplied charging cable