Posts: 37
Threads: 15
Joined: Jan 2007
I grabbed the last 4 packs on sale for $2.99 ea. at a nearby
Radio Shack. My old HP92266A N cell trickle charger wall
transformer died many years ago but its battery holder works
fine with my variable DC power supply. Inside the battery holder is a
69 ohm resistor and a little LED across it. Thats all the components
in the battery holder. Any trickle charger that charges AAA size
NiCad batteries should work fine as long as the charger instructions
states 'trickle' and a charging time of 12-15 hours. Just add a metal
spacer to keep the N cell firmly in contact with the charger
terminals. Don't use a medium rate or high rate NiCad battery charger.
The charge rate should be about 0.1C ( 0.1 X 360mAh = 36mAh ) for
about 12 hours.
Posts: 1
Threads: 0
Joined: Jan 1970
Many years ago I picked up a Radio Shack charger and some plastic adapters called an "N charging module" (also from RS) It is about the size and shape of an AA cell with a place to insert the N battery. Not sure if they are still available, or what the part number is.