The battery itself seems solid and well made. Once fully charged, it promises almost as many shots as its Canon equivalent.
After two full recharges, it already supplies more than a tiny fraction of what it promised.
Before leaving for a walk, I check the status of my battery is full. So I am leaving confident to take some shots during the evening. After about ten pictures, my camera does not turn on. The battery was flat
And since then his performances have not improved.