Fujitsu is slightly more consistent in the sense that the battery brands we considered were almost all around the bottom of the pack, with the strange exception of the Fujitsu Universal Power AA.

Metal Contact:AAA to AA Adapter Convert the AAA Battery to the Standard AA Battery Size, the Bottom of the Adapter is Sealed with the Metal,Which Makes Sure the Good Contact with the Negative Side ...

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 ...