| Parameter Item | Specification |
|---|---|
| Model Number | WJ H‑AA500J |
| Nominal Voltage | 1.2V per cell |
| Rated Capacity | 500mAh (Minimum 450mAh) |
| Cell Size | AA Cylindrical |
| Dimension (D×H) | Φ14.5mm × 50.5mm |
| Weight | Approx 13.5g |
| Internal Resistance (1kHz, fully charged) | ≤ 60 mΩ |
| IEC Cycle Life | ≥500 cycles (IEC61951‑2:2017) |
| Max Continuous Discharge Current | 500mA (1C) |
| Standard Charge | 50mA (0.1C), 16 hours |
| Fast Charge | 250mA‑500mA with charge‑termination control |
| Discharge Temperature Range | -10℃ ~ +55℃ |
| Short‑term Storage Temperature (<30 days) | -20℃ ~ +55℃ |
| Cut‑off Discharge Voltage | 1.0V/cell |
| 28‑day Self‑discharge Retention | ≥60% capacity @20℃ |
| Certifications | PPWR,CE, RoHS, REACH, MSDS documents available |
We provide OEM & ODM custom assembly service based on WJ H‑AA500J AA Ni‑MH cells. We support series‑parallel combination, spot‑weld tabs, lead‑wires, various connectors and plastic housing custom‑made to match your device requirements.

This AA‑500mAh Ni‑MH rechargeable cell fits various low‑power portable electronic and industrial devices.
Weijiang Power is a professional Ni‑MH rechargeable battery manufacturer with 16‑year production experience. Equipped with independent aging‑testing laboratory and automated assembly production lines. Complete export certification documents and mass‑production capacity for OEM projects.
Contact us for bulk unit price, OEM custom‑pack solution and official technical datasheet.



