But own-brand batteries, such as those from Amazon and Ikea, are often cheaper and can produce some surprising results. Dates tested: June 2023, June 2022, July 2020, December 2019, May 2019, June ...

4. Keep Battery Contacts Clean Dirty contacts ... These features can be especially useful if you want to extend the life of your AAA batteries. Look for devices with auto-sleep modes: These ...

Batteries charged at the lower voltage met BCI voltage standards for a fully charged battery. The AAA Premium BAT8451RAAA is part of the Car Batteries test program at Consumer Reports. In our lab ...

Batteries charged at the lower voltage met BCI voltage standards for a fully charged battery. The AAA Premium BAT8448AAA is part of the Car Batteries test program at Consumer Reports. In our lab ...

Panasonic BK-3HCCE/4BN Eneloop (Up to 2550 mAH) Pro AA high Capacity Ni-MH Pre-Charged Rechargeable Batteries, 4-Battery Pack (packing may vary) The Duracell Rechargeable AA Batteries have a ...