OID 39000mAh 7C High Discharge Ultra-Low Internal Resistance Lithium Polymer Drone Battery
Designed and manufactured by Shenzhen Jianheng Technology Co Ltd (Jianheng), the OID10105230-39000mAh-3.7V-7C is a high-performance Lithium Polymer battery cell specifically engineered for professional drones and high-drain applications. This cell delivers exceptional reliability, a stable discharge platform, high discharge efficiency, and ultra-low internal resistance, ensuring maximum power output and extended cycle life for your critical missions.
| Parameter | Value |
|---|---|
| Nominal Capacity | 39000mAh (0.2C discharge) |
| Minimum Capacity | 38220mAh |
| Nominal Voltage | 3.7V |
| Full Charge Voltage | 4.2V |
| Discharge Cut-off Voltage | 2.8V |
| Standard Discharge Current | 0.5C (19.5A) |
| Continuous Rate Discharge Current | 5C (195A) |
| Pulse Discharge Current (≤5S) | 7C (273A) |
| Internal Impedance | ≤0.8mΩ |
| Weight | Approx. 578g |
| Dimensions (H/W/L) | 10.4±0.3mm / 105±1.0mm / 230.0±2.0mm |
| Cycle Life (0.5C/0.5C) | ≥500 cycles (≥80% capacity) |
| Test Item | Condition | Standard |
|---|---|---|
| Discharge Rate (5C) | 25±2℃, 0.5C charge, 5C discharge to 2.8V | ≥90% of nominal capacity |
| High Temperature Performance | 55±2℃ storage for 4h, 0.5C discharge | ≥98% of nominal capacity |
| Low Temperature Performance | -10℃, 0.2C discharge | ≥70% of nominal capacity |
| Self-discharge | 25±2℃ storage for 1 month | ≥85% remaining capacity |
| Vibration Test | 10Hz-55Hz, XYZ axes, 30min each | No explosion, fire, or leakage |
| Drop Test | 1m height onto 18-20mm hard board | No explosion, fire, or leakage |
- Ultra-Low Internal Resistance (≤0.8mΩ): Minimizes energy loss and voltage drop under heavy load, delivering consistent high power.
- High Discharge Platform & Efficiency: Maintains higher voltage during high-rate discharge (5C-7C), ensuring longer flight times and better drone performance.
- High Reliability: Rigorously tested for vibration, drop, and extreme temperatures, making it ideal for demanding UAV and R/C applications.
- Exceptional Cycle Life: Achieves ≥500 cycles at 0.5C charge/discharge with 80% capacity retention.
- Wide Operating Temperature: Discharge from -20℃ to 60℃, suitable for various environmental conditions.
- High Energy Density: ≥250Wh/kg weight energy ratio and ≥570Wh/L volume energy ratio.
This cell is UN38.3 and MSDS certified, ensuring safe transport and handling. It is designed for professional use in drone battery packs, UAV systems, high-power R/C models, and other industrial equipment requiring a reliable 3.7V LiPo cell. Always use a compatible battery management system (BMS) or protection board. Do not exceed specified charge/discharge currents or voltage limits. Store at 0℃-35℃ and maintain 30-60% charge for long-term storage.
Brand: OID
Manufacturer: Shenzhen Jianheng Technology Co Ltd (Jianheng)
Address: 20F 2# Bld. Zhenhuan Rd. Pingshan, Shenzhen, China
Contact: +86 137 2555 9416
Email: alan@liion-batt.com
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