AA battery Comparison Comparison

| Type_ | Zinc_carbon | Alkaline | Li_FeS_2 | NiCd | NiMH |
|---|---|---|---|---|---|
| IEC name | R6 | LR6 | FR6 | KR6 | HR6 |
| ANSI/NEDA name | 15D | 15A | 15LF | 1.2K2 | 1.2H2 |
| Capacity under 500mA constant drain | 400-1700 mAh | 1800-2600 mAh | 2700-3400 mAh | 600– 1000 mAh | 600–2850 mAh |
| Nominal voltage | 1.5 V | 1.5 V | 1.5 V | 1.2 V | 1.2 V |
| Rechargeable | No | No | No | Yes | Yes |