nimh solar lights
Replace the batteries NiCd NiMH with solar garden lights?
I have solar garden lights ($ type 4 cheapo Walmart), each comes with a replaceable AA battery NiCD inside. Can I replace the battery with a NiMH battery? From what I read, this * could * Work, but the NiMH batteries can never fully charged.
That is correct. A solar garden light is one of the few places which is better than NiCd NiMH. Firstly, NiCd takes heat better. Secondly, the needs optimally NiMH a train of current pulses at high load, although the average current is low. NiCd can be trickle charge, which is a very simple connection to a solar cell. Some have solar lights new an electronic circuit in them to do the pulse charging for NiMH batteries, but if the light came with NiCd, it probably does not have this circuit.