... charging bay individually.Fully CE approved and warranted for 1 year.Types of batteries supported:Alkaline (previously non- ... Cadmium)Ni-MH (Nickel Metal Hydride)Battery Sizes Supported:1-4 batteries of: AAA, AA, N, C, D ... faulty battery protection, overcharge protection, short circuit protection, wrong polarity protection, negative delta voltage protection, zero delta voltage protection, ...