First I tested the battery with the BC 1000 Ladagerät, and at first I was not so enthusiastic. 3 battery showed a capacity to 2600 mA.Und a battery only 2100mA. I have the batteries then once unloaded, loaded, and tested again, and all batteries were to 2700 mA. With a capacity of 2800 mA I would give it 5 stars, but 200mA deviation are in my opinion too much, which is why only four stars. There is also to be seen how it looks after several charging gears, and also how much the battery discharges to the camps themselves. So far I can but recommend the battery.