9V square NiMH rechargeable battery, nominal voltage 9V, unified outer dimension Thickness17.5mm × Width26.5mm × Height48.5mm, available capacities:150mAh/170mAh/200mAh/250mAh. Internal resistance ≤680mΩ, over 1000 IEC standard cycle life. Suitable for low current continuous discharge equipment. Wide operating temperature -10~55℃, passed vibration/drop/short circuit safety test. OEM customization available, widely used for multimeters, wireless microphones, smoke detectors, testing instruments.
Get Free Spec & Sample| Format | Model No. | Rated Capacity(mAh) | Internal Resistance(mΩ) | Thickness(mm) | Width(mm) | Height(mm) | Weight(g) | IEC Cycle Life(cycles) | Target Application |
|---|---|---|---|---|---|---|---|---|---|
| 9V Square | WJ-9V150mAh | 150 | ≤680 | 17.5 | 26.5 | 48.5 | 38 | >1000 | Multimeter, Smoke Alarm Detector |
| 9V Square | WJ-9V170mAh | 170 | ≤680 | 17.5 | 26.5 | 48.5 | 38.5 | >1000 | Wireless Microphone, Testing Instrument |
| 9V Square | WJ-9V200mAh | 200 | ≤680 | 17.5 | 26.5 | 48.5 | 38 | >1000 | Gas Detector, Portable Measuring Equipment |
| 9V Square | WJ-9V250mAh | 250 | ≤680 | 17.5 | 26.5 | 48.5 | 53 | >1000 | High Load Wireless Audio Equipment |

Complete capacity lineup to match low-current device demands

Excellent cycle durability for long-term repeated usage

Smooth voltage output for precision measuring devices
Long shelf life, suitable for standby alarm equipment

Reliable performance in indoor & mild outdoor environment

Short circuit / vibration / drop test passed, safe for instruments
