Unfortunately, I was disappointed this battery. First of all dissolves in the range of plus-pole very quickly the jacket. But the main problem: I doubt the 2600 mAh sharply. I took advantage of these batteries in the Christmas season of my window-lights, and had in addition to these, other (2400 mAh, Rossmann, 4 pieces for 3.99 EUR) in use. Interestingly enough, could not keep up to the burn time of McPower battery with the supposedly weaker Rossmann battery in Case and was much faster dark and went out (in absolutely equal conditions). Too bad ...