Assmann Powerline 4 this 9 volt specialists Powerline 2 risen.
This charger can be two 9-volt battery packs Ni / Cd and Ni / MH invite charged by individual supervision independently.
It also has an overload protection and a defect detection. I like the device thanks to its compact dimensions and easy handling.
So if you're looking for an inexpensive 9-volt charger, which has built a viable technology, I can recommend this model.