This battery is significantly cheaper than the Ansmann battery from M ---- Market. But it can be even with a knife from the battery compartment of my 1000 entfernen.Ich I've bought two pieces and use the in the battery grip, which no problems bereitet.Schon after the first charging, keep the battery for a long time and falls to me no difference to the two original Canon batteries these margins of Ansmann are however faster geladen.Hab now loaded twice and am very satisfied - especially at the price you can probably not go wrong!