Are the low discharge NiMH cells available now any more rugged than regular NiCd cells as far as charging current?
One solution I would consider is using LiFePO4 cells and modifying the charger for current limited constant voltage. On Wed, 03 Aug 2016 19:37:12 +0000, you wrote: >-------- >In message ><CABqdsz8mKPZ02mJsL=h5d5idbzom5crzkqzbtjgupomoy5a...@mail.gmail.com>, Eric >Garner writes: > >I would go with NiMH, since the NiCd production volume of small >cells is now so low now that quality suffers. > >You need to pay serious attention to the charging circuit, no >matter which chemistry you pick. > >The trickle charge current is probably too high for modern NiCd and >guaranteed too high for NiMH. > >If there is a bulk charge state, you should check the parameters >(current/timer) of that too. > >Finally, try to measure the final config (ie: on the right shelf, >in the pile of kit) temperature of the battery pack, before >deciding/adjusting charging parameters, both NiCd and NiMH change >properties rapidly above approx 40C/100F. _______________________________________________ volt-nuts mailing list -- volt-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
