Varta Rechargeable Accu Ready2Use C Baby Ni-Mh battery (2-Pack, 3000 mAh) (Health and Beauty)
After several weeks of use, no complaints. I think just a pity that I had to buy 2-he packs three. I think that will be needed for many devices more than two accus. In this respect, a package version with three or four accus would make sense. However