How to revive nicad's

[terry]

I run 4 packs of 2.3ah, normally use around 5amp at the most in fights so 3 packs would be enough.

[mattsdragons]

So 24 cells would make me up 6 12v packs as each cell is 3.3v? The old set up was 3 12v nicad packs all into 3 different plugs, so I could make up enough to have a full set of spares put of 24 cells?

Or better to make a 2 24v packs? Can run 24v worth of hawkers on a single lead out of the 3 but still trying to get my head around the wiring and how many packs I could/would have too use and at what voltages

[jonny]

3 packs of 8 cells!! The three packs Wired in parallel to give 26.4v 6.9ah

[mattsdragons]

May have to re-do the wiring slightly then to adapt for the new packs

anyone know of any good chargers that are not £100 each, bit steep for £420 in total for a conversion so want too bring that cost down a bit really

How viable would it be to use 8.4v nimh packs of the same 3000mah? would need 3 packs of 3 so 9 packs in total, but comes out at under £200?

http://www.wheelspinmodels.co.uk/i/70479/

Just exploring different ideas here, dont want to run SLA's forever

[jonny]

How Is £120 + £100 £420?

You could probably use turning accucel 8s as you're only running 8s packs.

[mattsdragons]

Though I would need a charger per pack, 3 packs so 3 chargers?

[jonny]

Most people just use 1 charger for there a123s i beleive.

[mattsdragons]

Split it off too allow for 3 feeds of a single charger?

[blazerbotics]

Dont charge your batteries in parallel. Everyone i know whos running A123s is running seperate chargers, dont see any other way to balance them.

Those NiMh wont deliver anywhere near enough current, probably only 40amps, so you would be looking something like 6 packs of 24v (so 18 packs altogether) to get any usable current out of them.

If weight isn't an issue i would stick to SLAs, much easier.

[mattsdragons]

Have to find some good scales and see if weights an issue then