Drone Battery & UAV Battery Pack OEM | 19000mAh 29.8V 25C Li-ion High-Rate

Engineered by Shenzhen Jianheng Technology Co Ltd, the OID21700-19000mAh-29.8V-25C model is a rechargeable lithium-ion battery pack for UAVs and professional drone platforms. As a UAV battery pack OEM and Drone Battery option, it offers a high discharge platform, efficient output, and ultra-low internal resistance (≤15mΩ) for demanding flight operations that need sustained high power.

• Minimum capacity 19000mAh and typical capacity 20000mAh for long UAV missions
• Continuous discharge current up to 25C for high-power drone use
• Internal resistance ≤15mΩ helps reduce energy loss and heat
• Stable high-discharge voltage platform maintains drone performance under heavy load
• Operating temperature: discharge -20°C to 60°C; charge 0°C to 45°C
• Safety certifications include UL1642, IEC62133, UN38.3, and MSDS
• Protection against overcharge, over-discharge, and short circuit

• UN38.3 (Transportation Safety)
• MSDS (Material Safety Data Sheet)
• UL1642 (Cell Safety)
• IEC62133 (Secondary Cells and Batteries)
• GB31241-2022 (Chinese National Standard)
• RoHS Compliant

For custom specifications or bulk orders, please contact us directly. Jianheng offers OEM and ODM services tailored to your UAV power requirements.

• Overcharge Protection: No fire or explosion when charged at 4.6V / 15A for 7 hours (UL1642)
• External Short Circuit: No fire or explosion at 55±5°C with 80±20mΩ load (IEC62133)
• Over-Discharge Protection: No fire or explosion under forced discharge at 5A for 90min
• Low Pressure (Altitude) Test: No leakage, fire, or explosion at 11.6kPa for 6 hours (UN38.3)
• Thermal Shock: No fire or explosion when heated to 130°C at 5°C/min (UL1642)
• Free Fall Test: No fire or explosion from 1.0m drop onto concrete (IEC62133)
• Vibration Test: No leakage, fire, or explosion, OCV drop <10% (UN38.3)

• Professional UAV / Drones (Agricultural, Surveying, Logistics, Inspection)
• High-power RC Models
• Robotics and Autonomous Systems
• Portable Power Stations requiring high discharge rate
• Electric Tools and Equipment

Store in a cool, dry, well-ventilated area away from fire and high temperatures. Recommended storage temperature: 25±5°C at 60±15% RH. For long-term storage (over 3 months), maintain 40-60% SOC (3.85V per cell) and recharge every 3 months to prevent over-discharge. Do not stack more than 7 layers or invert during transport.