rechargeable
try to check on many rechargeable batteries, before that i knew only eneloop, try on what on the market now 1. eneloop: eneloop is the first comer and many knew this one. eneloop has 2 size aa and aaa and has many adaptor like c and d it’s kind of specific NiMH (nicle Metal Hydride) that can check how many battery charge left and preserve the battery life. it’s kind of mobile booster ...