Are you looking for rechargeable batteries that are easy to use as well as much more earth-friendly than single-use alkaline batteries?? They save your money in the long run. Our top pick for best AA rechargeable battery, the Panasonic Eneloop, uses nickel-metal-hydride technology to store huge amounts of energy (at least, for the size). While other batteries might have a longer capacity or lower cost than our picks, rechargeable batteries reduce waste and are good for the environment. Top 5 picks for the best rechargeable batteries in 2020 are listed below from which you can choose desirable ones.