Saving/Reviving AA/AAA rechargeable batteries
When you have an AA,AAA etc. rechargeable battery that does not register, seems dead, in your charger do the following: Place the seemingly dead battery negative terminal, flat end, against the negative terminal of a good battery of the same type and hold a pair of metal tongs, you can use something else metal, across the two positive terminals for thirty seconds. Place the seemingly dead battery back in the charger and it should now register and charge up. I threw away a lot of batteries before I learned this. It works every time I have tried it and has saved me a ton of batteries. Hope it works for you.
Frank & Linda Whitted, NRA Benefactors
2015 Winnebago Vista LX 27N 29' 30amp
2013 Ford Edge or 2003 Jeep Rubicon