Core UAC 50 charger help.
 

Hi All,

I have just got back into the RC scene and a lot of things have changed regarding batteries and charging. I used to run NiCad saddle packs which I charged using a Schumacher PC3 charger. I have just purchased a Nimh battery just to have a play with the car before I take the plunge into the Lipo battery technology. The purchase of a Core UAC 50 charger made perfect sense as the charger can accommodate all battery types. I have read the manual but it is not very clear.
I am using a Nimh 3300mah battery so I would imagine I would charge the battery at 3.0Amps?
Also do you need to run the discharge/charge cycle and what settings are best to use?
I am guessing I set the discharge current to 1.0A but what do I set the final voltage too for this battery?

charger
 

your about right on charging current still using 1C rule although latest generation nimh cells are quite tough and a bit higher rate wont hurt the cells

on discarging if i remember correctly the uac 50 will only discharge at 1 amp i would only discharge to 0.8v per cell so set 4.8v as discharge voltage

you will see a big difference if you upgrade to lipos though

regards dave

Hi Dave


thank you for the reply and also for the advise on the settings to use. Just one more question i want to ask is would you run a discharge cycle after every use of the battery?



I was thinking about Lipo batteries and I guess when the car is ready for more competitive racing i will venture down this path. I think i am a little bit apprehensive of having them in the house.

hi chief
i dont use nimhs very often now only for use in our club touring car for beginners
i wouldnt worry about cycling/discharge every use

dont be put off by horror stories of lipos i have used them in aeroplanes and helicopters since they first became available (no balance leads in them days) ,i have never had a fire or exploding lipo yet,
Of course there have been incidences and you do need to be careful with lipos
follow charging instructions carefully you will be fine

I had more issues with nimhs and nicads in the 90,s with false charging and cells going pop than i ever have had with lipos

regards dave
email me at [email protected] if you need more help

Hi Dave.


Thank you for your help and advice with this issue, very much appreciated. I think i will definatley start to look at Lipo batteries in the future as long as I can get one to fit into the Cougar 2000 chassis. Everything has moved on a lot since I last raced, just got to try and bring myself up to speed. I am still using a 27mhz transmitter and reciever with a brushed motor :lol:

Regards Andy.