I have bought in the past few years a significant number of these battery in AA and AAA. For this, the appropriate charger. The battery convince in longevity and short charging time. With three children various toys are available that use this battery. Even in ordinary household use, I have now almost all Einmalbat. exchanged for this battery. The boxes are also very popular with the children as games and crafts stuff. For me, a Prima product with a clear recommendation.