Full Technical Specifications (WJ‑2/3A1800)
| Parameter Item |
Specification |
| Model Number |
WJ‑2/3A1800 |
| Nominal Voltage |
1.2V per cell |
| Rated Capacity |
1800mAh (Minimum 1700mAh) |
| Nominal Energy |
2.16Wh |
| Cell Size |
2/3A Cylindrical Ni‑MH |
| Dimension (D×H) |
Φ17.0mm × 43.0mm |
| Weight |
Approx 34g |
| Internal Resistance (1kHz, fully charged) |
≤ 25 mΩ |
| IEC Cycle Life |
≥500 cycles (IEC61951‑2:2017) |
| Max Continuous Discharge Current |
1800mA (1C) |
| Standard Charge |
180mA (0.1C), 16 hours |
| Fast Charge |
900mA~1800mA with delta‑V charge termination control |
| Discharge Temperature Range |
-20℃ ~ +60℃ |
| Short‑term Storage Temperature (<30 days) |
-20℃ ~ +60℃ |
| Cut‑off Discharge Voltage |
1.0V/cell |
| 28‑day Self‑discharge Retention |
≥65% capacity @20℃ |
| Certifications |
PPWR,CE, RoHS, REACH, MSDS documents available |
Core Performance Advantages
- ≥500 IEC standard cycles: Pass IEC61951‑2:2017 cycle test, stable long service life for industrial standby equipment.
- 2/3A short cylindrical NiMH cell: Balanced size and capacity, widely used for battery pack assembly.
- Low internal resistance ≤25mΩ: Support stable 1C continuous discharge, suitable for moderate current load devices.
- Wide temperature performance: Discharge range from -20℃ up to +60℃, works reliably for outdoor and industrial environment.
- Complete safety test: Overcharge, overdischarge, short circuit, vibration and drop reliability verification finished before delivery.
- Flexible OEM customization: Factory spot welding tabs, flying leads, connectors and series-parallel battery packs on request.
Performance Characteristic Curves
1.0C Rate Charging Curves
0.1C‑1.0C Multi‑Rate Charging Curves
0.2C / 0.5C / 1C Discharging Curves
Storage & Self‑Discharge Retention Curves
OEM Custom Battery‑Pack Service
We provide OEM & ODM custom assembly service based on WJ‑2/3A1800 Ni‑MH cells. We support series-parallel combination, spot-weld metal tabs, flying wires, connectors and plastic housings to build finished battery packs for industrial devices.
Typical Application Scenarios
2/3A 1800mAh nickel metal hydride rechargeable cell is commonly used for industrial backup power, security devices, portable instruments and emergency lighting systems.
Emergency backup power supply Security alarm systems Portable testing instruments Emergency indicator lamps Medical portable equipment Garden power tools
Frequently Asked Questions
Q1: What is cycle life of 2/3A 1800mAh Ni-MH battery?
A: ≥500 cycles tested following IEC61951-2:2017 standard under 0.2C charge and discharge test conditions.
Q2: What is internal resistance for this 2/3A Ni-MH cell?
A: ≤25mΩ for fully charged cell, measured at 1KHz AC.
Q3: Can you add tabs and custom battery packs for 2/3A 1800mAh NiMH cells?
A: Yes. We support spot welding tabs, flying leads, connectors and custom series-parallel NiMH battery packs for industrial equipment.
Q4: What certificates can you provide for 2/3A NiMH cells export?
A: PPWR, CE, RoHS, REACH and MSDS documents are available for global export orders.
Q5: Can I get samples of 2/3A 1800mAh nickel metal hydride cell?
A: Samples can be arranged for performance testing, buyer covers the shipping cost.
Manufacturer & Certification Support
Weijiang Power is a professional Ni‑MH rechargeable battery manufacturer with 16‑year production experience. Our in-house reliability lab and automated production lines can handle bulk orders and small batch OEM customization. Full export certification documents ready for customers worldwide.
Need Quotation or Test Samples for 2/3A 1800mAh Ni‑MH Battery?
Contact us for bulk price, spot-welded cell options, OEM pack solution and download official technical datasheet.
