Q&A Forum > > Reply To: Best Rechargable batteries AA and AAA & Device Start a new discussion February 16, 2021 at 9:17 am #47849 TeamKomando:JohnParticipant @264458 Hello Jon, You can get more energy from (LI) Lithium vs (NiMH) Nickel Metal Hydride, click here for a recommended starter pack. Amazon even offers EBL rechargeables that have a micro USB port on the battery itself here.