Tests on the storage capacities of
NiMH rechargeable batteries
Tested Jan/Feb 2009
AAA Cells
| Capacity | Claimed | Percentage | Brand | Diameter* | Notes | |
| 939mAh | 1000mAh | 94% | Duracell Supreme | 10.20mm | New |  |
| 899mAh | 1100mAh | 82% | Vapex 1100 | New | |
|
| 840mAh | 1000mAh | 84% | Sinica | 10.07mm | Well-used | |
| 800mAh | 1000mAh | 80% | BTY | 9.98mm | Well-used | |
| 737mAh | 1000mAh | 74% | Vapex 1000 | New | |
|
| 606mAh | 800mAh | 76% | Vapextech | 10.01mm | Well-used | |
AA Cells
| Capacity | Claimed | Percentage | Brand | Diameter* | Notes | |
| 2460mAh | 2650mAh | 93% | Duracell | 14.06mm | New | |
| 2130mAh | 2800mAh | 76% | Fujicell | 14.08mm | New | |
| 1700mAh | 2400mAh | 71% | Vapextech | 14.04mm | Well-used | |
| 1688mAh | 2300mAh | 73% | Powerman | 14.08mm | Well-used | |
| 1580mAh | 3000mAh | 53% | Maxuss | 13.85mm | New | |
| 450mAh | 2500mAh | 18% | BTY | 13.94mm | New | |
| 450mAh | 2600mAh | 17% | "Green" * | 13.85mm | New | |
* Unbranded
*I guessed these targeted 10mm and 14mm, but I was wrong
Low self-discharge batteries
AAA Cells with low self-discharge
These have lower capacities, but lose less of this stored energy during storage or standby
| Capacity | Claimed | Percentage | Brand | Diameter* | Notes | |
| 785mAh | 850mAh | 92% | Vapex Instant | 10.09mm | New | |
AA Cells with low self-discharge
These have lower capacities, but lose less of this stored energy during storage or standby
| Capacity | Claimed | Percentage | Brand | Diameter* | Notes | |
| 1977mAh | 2100mAh | 94% | Vapex Instant | 14.10mm | New | |
| 1911mAh | 2000mAh | 96% | Sanyo Eneloop | 13.98mm | New | |
| 2000mAh | Duracell Active Charge |
for more information on low self-discharge batteries
to see how tests were done plus some extra information.
to see all individual test results
