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Question about NiMH batteries and rechargers....

B

BuckNaked

Diamond Member
Awhile back I picked up a Duracell recharger with a set of 4 Duracell AA rechargeable batteries... Today I picked up 4 more batteries but they are Energizers that are rated at 2300mAh vs the 2050mAh of the Duracells... I was going to put them in the Duracell recharger, but noticed on the back to only use Duracell batteries in the recharger... Anyone know if there is an issue with doing this, or is this only a marketing ploy from Duracell so you only use there batteries...

Thanks!
Dave
 
It will work, but we have no way of knowing how good the Duracell charger is in the first place.

I'd recommend something like Maha.
 
Thanks guys!

Edit: Thanks for the link Eli!... I googled around and I kept seeing the MAHA charger name coming up... I will look into one of those...
 
Originally posted by: Buck_Naked
Thanks guys!

Edit: Thanks for the link Eli!... I googled around and I kept seeing the MAHA charger name coming up... I will look into one of those...
Click to expand...
They really are amongst the best chargers around.

Read This. As you will learn, your charger directly affects the performance of your batteries; how fully they charge, as well as the performane over the life of the battery. Heat is one of a rechargable batteries' worst enemies, and excessive heat each charge cycle will reduce, perhaps significantly, the life of the battery.

I've got the Maha C401-FS, and it's great. I like knowing that my batteries are as fully charged as they can be. Some chargers are so inaccurate that they only get batteries to 85 - 95% of capacity. Using the Slow Charge setting, the batteries barely get warm to the touch. It takes overnight to charge them, but thats Ok. Then you always have the fast charge setting if you need the batteries within 90 minutes or so.
 
It's a marketing ploy. If anything, it'll work better than the Duracells because it charges at a lower rate because the Duracells are a lower capacity. Slow charging = good for batteries.
 
I have a rayovac 1 hour charger that I use with my 1800 maH batteries. I want to buy some Panasonic 2300mah batteries from Costco, but how do I know how long to charge or if they are fully charged in my Rayovac charger?

Just trial and error with a volt/ampmeter?
 
Originally posted by: crontab
I have a rayovac 1 hour charger that I use with my 1800 maH batteries. I want to buy some Panasonic 2300mah batteries from Costco, but how do I know how long to charge or if they are fully charged in my Rayovac charger?

Just trial and error with a volt/ampmeter?
Click to expand...
No.

The charger will stop charging them when (it's microcontroller reads) the batteries are full. It will just take longer for that "charged" light to come on with the higher capacity batteries.

Be weary of "fast" and "1 hour" chargers. They put great thermal stress on your batteries, reducing their lives.
 
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