AA NiMH AA Rechargeable Batteries (4-Pack) Pre-charged

AA NiMH AA Rechargeable Batteries (4-Pack) Pre-charged

AA NiMH AA Rechargeable Batteries (4-Pack) Pre-charged

I wasn't really expecting these to be much different than the name brand batteries and it turns out they are really great! To do a thorough and scientific comparison I constructed a de-charging rig that consisted of a 5 ohm equivalent resistance and an analog to digital converter. I discharged the batteries at a rate of approximately 0.25 watts (the rate did vary some with discharge state). I collected 5 voltage readings across the test rig per second and averaged those down to 1 reading/second to reduce variability. I've attached the results as customer images, but the rundown is this:

Eneloop Batteries, 2000mAh (slightly used through <10 discharge cycles)
Battery 1 - Capacity 1928 mAh
Battery 2 - Capacity 1966 mAh

Amazon Batteries, 2000mAh (<3 discharge cycles, new)
Battery 1 - Capacity 2016 mAh
Battery 2 - Capacity 2006 mAh

Overall these batteries seem to be nearly identical in their discharge behavior and capacity to that of the name brand with about $0.25 price difference at the time of this review. I'll be buying these for sure and possibly updating after several hundred charge cycles.

SEE MORE DETAIL

AA NiMH AA Rechargeable Batteries (4-Pack) Pre-charged