Recently got a polimax b6 charger for nitro use as a fast charger no particular need for refine chargers - my issue is I have a 5 cell nimh battery aa type for my transmitter and same for my car how to use this a slow charge for overnight use and as a fast charge for track use 2700mah how much amp set for fast and slow charge - gosh I need a tutorial I charged at 2.0amp to check how quick but the cells got hot - and how come the voltage with a volt meter reads more than 6 volts?

Also on the manual it says something about auto charger for NIMH but seems like I can't find it

Bernard

For any AA type cells you will not want to use a high charge rate like 2A, unless the cells are specifically rated for that kind of current. Typically about 1A is going to be the max you would want to push them. I know this is not a fast charge like you would want at the track, but most smaller cells simply cant handle it. I believe some of the 2/3A cells might be able to handle higher rates, but check with the manufacturers.

For overnight charging you will want as low as possible current, I believe your charger goes down to 0.1A.

The 1.2V rating on the cells is just a nominal rating, meaning they "should" hold about 1.2V average while discharging. While charging it is not uncommon to see voltages go well beyond 6V.

The auto setting on your charger should be accessed by pressing both left and right directional buttons from the current setup screen. Then you simply set the maximum current you want and the charger will determine the best rate up to your max.

I hope this helps, but Im sure you will get more responses if not.

Thanks mate , I think i got that i charged at 2a they got hot but I think they survived as regarding to the auto i'll try it thanks

still cannot understand how the polimax b6 address the auto function for me it looks like there is no function for that - I will stick to charging overnight with standard mains chargers but the b6 is great for quick charging and on location charging - what I am asking is how to access the auto for nimh and the need to know the rates to charge maybe more in depth

Your charger is supposed to be the same as a Accucel-6 and this is how that is accessed on the Accucel-6. With the current amount blinking (ready to charge value), simultaneously press (+) and (-) buttons. That charges from MAN to AUT or vice versa.

I managed to find the automode - what I wish to know is how to calculate the relevant amps needed for instance for nimh batteries for radio receiver glow plug - the slow charge and fast charge

thanks - and excuse me for my stupiditiy

Rcvr NiMhs fast charge is 1amp, slow charge is 0.5amp. These type cells either 2/3a or AAs tend to overheat/cook and can be damaged at higher charge rates.

Glow plug igniter batts - mine are all NiCd and I use 0.5amp as a fast charge and 0.2amp as a slow charge. Slow charge is what the rate the wall type plugin charger that came with the igniter delivers.

Thanks Duster 360 Help very much appreciated