WJ R3 shell 9V NiMH battery pack, all parameters extracted from official delivery spec WJ-TC-S-53419 & WJ 9V-200 spec docs. Nominal pack voltage 8.4V (6pcs 1.2V cylindrical cells in series), unified outer dimension T17.5 × W26.5 × H48.5mm. Two standard models: L9V-160 (160mAh) / L9V-200 (200mAh). Max 2C continuous discharge (320mA), internal resistance ≤800mΩ, IEC standard ≥500 cycle life. Dual charging mode: 0.1C 16hrs standard slow charge, 0.5C 2.4hrs fast charge with -ΔV & temperature cutoff protection. Operating discharge temp -10~50℃, passed short circuit / vibration / drop safety test. Standard snap metal terminals, OEM custom lead wire for multimeters, smoke alarms, wireless microphones, portable gas detectors.
Get Original Spec & Free Sample| Pack Model | Model No. | Rated Capacity(mAh) | Min Capacity(mAh) | Pack Size T×W×H(mm) | Single Cell Size(mm) | Std Charge | Fast Charge | Pack Weight(g) | IR(mΩ) | Max Discharge | Cutoff Voltage(V) | IEC Cycles | Discharge Temp | Core Application |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9V R3 Pack | WJ L9V-160-R4 | 160 | 160 | 17.5×26.5×48.5 | Φ10×43 | 16mA / 16h | 80mA / 2.4h | 28 | ≤800 | 320mA (2C) | 7.0 | ≥500 | -20℃ ~ 50℃ | Multimeter, CO Detector |
| 9V R3 Pack | WJ L9V-200-R3 | 200 | 190 | 17.5×26.5×48.5 | Φ10×43 | 20mA / 16h | 100mA / 2.4h | 35.5 | ≤780 | 400mA (2C) | 7.0 | ≥500 | -20℃ ~ 50℃ | Wireless Mic, Smoke Alarm |
Two mainstream capacities match low-power portable instruments
Stable cycle performance for long-term standby devices
Built -ΔV & temperature charge protection required
Ultra low self-discharge formula for alarm equipment stock
Stable output for indoor & mild outdoor detectors
1hr short circuit, vibration, drop test without explosion
All Weijiang NiMH cells are 100% tested for capacity, internal resistance and voltage before shipment. Below are representative performance curves and quality parameters for our standard NiMH cells.
Cycle Life: 80%+ capacity after 1000 cycles
Self-Discharge: 84% retention after 6 months @ 20°C
Discharge Voltage: Stable plateau at 0.2C–2C (D-cell representative)
| Parameter | Standard | Test Method |
|---|---|---|
| Cycle Life | ≥1000 cycles (80% DOD) | 0.5C charge / 1C discharge, 25°C |
| Self-Discharge | ≤16% / 6 months @ 20°C | Standard charge, store 6 months, measure |
| Operating Temp | Charge 0–45°C, Discharge −20–55°C | Environmental chamber test |
| Internal Resistance | ≤30 mΩ (AA cell, typical) | AC milliohm meter @ 1kHz |
| Capacity Tolerance | ±5% of rated capacity | 0.2C discharge to 1.0V |