1.2V AA 2500 mAh Panasonic Eneloop Pro vs 2550 mAh Sanyo Eneloop XX NiMH Batteries

15 Mar
2019

Time for another Eneloop battery comparison between different generations, namely the latest 5th generation Panasonic Eneloop Pro AA size NiMH batteries rated at 2500 mAh minimum capacity that we have just recently tested and the older 3rd gen 2550 mAh Sanyo Eneloop XX NiMH AA batteries that we have tested a couple of years ago. Specifications wise and performance wise both the older generation and the latest generation high-end Eneloop Pro/XX batteries do seem very similar to each other (like their smaller AAA version), but let us take a closer look at the results we got in our tests…


It seems that the newer Panasonic Eneloop Pro batteries manage to perform slightly better in terms of usable capacity in all of our tests at constant current loads of 0.2A, 0.5A, 1.0A and 2.0A, though the difference isn’t that big if you take a closer look at the numbers. It seems that the newer generation might be handling a bit better higher currents as the performance at 2.0A seems to be the only one with more significant difference between the 3rd generation Eneloop XX and the latest 5th generation Eneloop Pro AA NiMH batteries we have tested. Still, the good news is that the newer Panasonic Eneloop Pro batteries do manage to keep up with the expected good performance we are used to wit the Eneloop brand of rechargable batteries.

mAh Capacity – Eneloop XX – Eneloop Pro
— 0.2A load – 2452 mAh – 2472 mAh
— 0.5A load – 2423 mAh – 2453 mAh
— 1.0A load – 2385 mAh – 2388 mAh
— 2.0A load – 2200 mAh – 2322 mAh

Wh Capacity – Eneloop XX – Eneloop Pro
— 0.2A load – 3.096 Wh – 3.080 Wh
— 0.5A load – 2.999 Wh – 3.015 Wh
— 1.0A load – 2.856 Wh – 2.870 Wh
— 2.0A load – 2.436 Wh – 2.601 Wh



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