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Smart Charger

E

Elaineofshalott2

Member
When I first got my Wii and my XBOX I purchased an energizer battery charger and some rechargeable batteries. About a year ago some portion of my batteries would no longer hold the charge. I know some of the batteries are still good. Does anyone have a recommendation on a good smart charger that will let me determine which batteries can be saved and how many new ones to buy?

I looked at some old threads but most of them seem to lead to discontinued items.
 
Sorry if I wasn't clear. The oldest batteries are about two years old and yes, I realize they are probably useless, but some are newer and probably have some life left in them. I'd like to distinguish between the two. Plus I have heard that the new batteries I get will last longer with a good charger.
 
Cheaper than finding a new charger: mark your batteries with unique numbers, connect them one at a time to a flashlight bulb, and see which ones last the longest.

Or, if you want to be more detailed, find what is the minimum voltage threshold for common digital devices (cameras, video game controllers, remote controllers) and use a volt meter to see which of your batteries are able to maintain that voltage for an acceptable period given some load (the flashlight bulb works well for this).

Or, if you want an engineering-oriented response, consider your existing collection of batteries as a sunk cost and not worth the time & hassle of experimenting to determine which have at best 50% of their service life remaining, recycle them, and replace with new batteries. I read positive reviews of Sanyo Eneloop batteries and have been using them in my camera flash module (Nikon SB-400) where they hold charge dramatically better / longer between charges / uses when compared to ...checks... my collection of Panasonic NiMH (1600 and 2300mAh) batteries did, even when new.

http://www.kenrockwell.com/tech/sanyo/eneloop.htm
 
I did a bit of research on smart chargers and ended up with this one.

I don't have any advice for testing your batteries other than what was mentioned already. When buying new, Eneloops are the way to go.
 
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