How to revive dead NIMH rechargeable batteries - Quora
Build a USB Powered AA NiMH and NiCd Battery Charger
Two of my battery's won't charge. I know it's not a problem with the charger because one of my battery's work with it. Any one know what's going on. : r/Traxxas
9 Common Reasons Why Your Traxxas Battery is not Charging