WEIJIANG Original 2/3 AAA Ni-MH rechargeable cylindrical battery, rated capacity 200mAh, nominal voltage 1.2V. Compact and lightweight, with stable performance for space-constrained electronic devices and custom battery pack assembly.
Featuring low internal resistance, consistent voltage output and long cycle life, it is suitable for continuous use and long-term standby applications. Widely applied in miniature electronic instruments, memory backup systems, smart sensors, small medical devices and consumer electronics.
All cells are 100% tested before delivery. We provide OEM custom terminal design, capacity matching sorting and bulk wholesale supply, with complete international safety certifications.
| Parameter Item | Specification |
|---|---|
| Model Number | WJ‑2/3AAA200 |
| Nominal Voltage | 1.2V per cell |
| Rated Capacity | 200mAh (Minimum 180mAh) |
| Cell Size | 2/3AAA Cylindrical Ni‑MH Bare Cell |
| Dimension (D×H) | Φ10.5mm × 28.5mm |
| Weight | Approx 5.2g |
| Internal Resistance (1kHz, fully charged) | ≤ 90 mΩ |
| IEC Cycle Life | ≥450 cycles (IEC61951‑2:2017) |
| Max Continuous Discharge Current | 200mA (1C) |
| Standard Charge | 20mA (0.1C), 16 hours |
| Fast Charge | 100mA‑200mA with delta‑V 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‑2/3AAA200 bare Ni‑MH cells. We support series‑parallel combination, spot‑weld tiny metal tabs, thin flying leads, micro‑connectors and mini plastic housings for ultra‑compact device layout.

2/3AAA 200mAh bare nickel‑metal hydride cell is designed for compact low‑power sensors, small household safety and portable mini electronic hardware.
Weijiang Power is a professional Ni‑MH rechargeable battery manufacturer with 16‑year production experience. In‑house reliability laboratory and automated production lines support mass‑volume orders and small‑batch miniature OEM customization. Full export‑ready certification documents for worldwide customers.
Contact us for bulk price, post-processing tab options, miniature OEM pack solution and download official technical datasheet.


