The Samsung INR21700-50S is engineered for serious drone pilots. With 5000mAh capacity and 25A continuous discharge (40A peak) , it delivers instant throttle response and extended flight times. Ultra-low internal resistance (10.4mΩ) minimizes voltage sag and heat buildup, keeping pack temperatures cool during aggressive FPV or heavy-lift missions. Whether building a 4S long-range cruiser or a 6S professional UAV, the 50S provides the power, endurance, and reliability your drone demands.
| Battery Model | INR21700-50S |
| Battery Type | 21700 Cylindrical Cell |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 5000mAh |
| Working Voltage | 2.5V-4.2V |
| Max Charge Current | 1.2C |
| Max Discharge Current | 5C |
| Peak Discharge Current | 8C |
| Internal Resistance | ≤14mΩ |
| Charge Temperature | -0-45℃ |
| Discharge Temperature | -20-60℃ |
| Storage Temperature | -20-45℃ |
| Cycle Life | ≥500 cycles |
| Battery Size | φ21*70mm |
| Battery Weight | 68g |
| Warranty | 2 Years |
A: Our batteries are certified with UN38.3, CE, FCC, RoHS, IEC62133, UL and other regional certifications as required.
A: Yes, we can provide full documentation including MSDS, UN38.3 test report, cargo transport assessment report, and certification files.
A: No strict MOQ requirement. Small samples are available for testing.
A: Yes, FOB/CIF/DAP/DDP are all available for most countries. DDP (door to door and duty paid) is preferred by a larger number of customers.
A: Yes, battery pack/OEM/ODM available.
More info, please contact us: Wechat/WhatsApp: +8613570852640 Email: support@nogipower.com
