The battery uses CC/CV charging with a charge limit voltage of 8.4 V, a standard charging current of 510 mA, and a maximum charging current of 1275 mA. The recommended discharge current is 1275 mA, with a maximum discharge current of 2550 mA (1C), providing stable power for daily communication, wireless transmission, and varying load conditions in two-way radio terminals.
Product Specifications & Configuration
Battery Model: CZ929Li
Cell Type / Capacity: GU474197/2550mAh/7.4V
Battery Configuration:The finished battery pack consists of two cells connected in series (2S1P) and a protection control circuit (PCM).
Basic Performance
| No. | Item | Parameter | Remarks | |
| 1 | Capacity | Typ. 2650mAh | 0.2C Discharge | |
| Min. 2550mAh | ||||
| 2 | Nominal Voltage | 7.4V | ||
| 3 | Charge Limit Voltage | 8.4V | ||
| 4 | Maximum Charging Voltage | 8.45V | ||
| 5 | Discharge Cut-off Voltage | 6.0V | ||
| 6 | Charging Method | CC-CV | ||
| 7 | Charging Current | 510mA | （0.2C） | |
| 1275mA | （0.5C） | |||
| 8 | Recommended Discharge Current | 1275mA | （0.5C） | |
| 9 | Maximum Discharge Current | 2550mA | （1.0C） | |
| 10 | Operating Temperature | Charging | 0℃～+15℃ | Standard Charge |
| +15℃～+45℃ | 0.5C Charge | |||
| Discharging | -20°C~+60°C | |||
| 11 | Storage Temperature | Within 1 Month | -20°C~+45°C | Capacity Recovery ≥ 80% |
| Within 6 Months | 23℃±2℃ | |||
| Long-Term Storage | 23℃±2℃ | |||
| 12 | Storage Requirement | Recharge the battery every 4 months during storage. | ||
| 13 | Relative Humidity | 65±20% | ||
| 14 | Battery Internal Resistance | ≤ 200mΩ | Measure the battery AC internal resistance at 1 kHz after standard charging. | |
| 15 | Battery Weight | 110g | About | |
| 16 | Battery Dimensions | Length | 109.9±0.2mm | |
| Width | 48.65±0.2mm | |||
| Thickness | 13.0(+0.0.25/-0.15)mm | |||
Long Runtime: High-energy-density cells provide extended operating time for long shifts and frequent communication.
Stable Output: Delivers reliable power during frequent two-way radio communication.
Smart Protection: Integrated smart BMS provides multiple protections against overcharge, over-discharge, overcurrent, short circuit, and abnormal temperature.
Environmental Adaptability: Supports customized wide-temperature, waterproof and dustproof, and explosion-proof designs for demanding operating environments.
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