The Samsung INR21700-50E delivers an exceptional 5000mAh typical capacity (4900mAh minimum) with a nominal voltage of 3.6V, offering 17.64Wh of energy per cell. This makes it one of the highest capacity 21700 cells on the market, perfect for applications where runtime is critical. With an impressive 256 Wh/kg gravimetric energy density, the 50E provides extended operation for devices like portable power banks, high-end flashlights, and laptop batteries without frequent recharging.
| Battery Model | INR21700-50E |
| Battery Type | 21700 Cylindrical Cell |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 5000mAh |
| Working Voltage | 2.5V-4.2V |
| Max Charge Current | 1C |
| Max Discharge Current | 2C |
| Peak Discharge Current | 3C |
| Internal Resistance | ≤14mΩ |
| Charge Temperature | 0-45℃ |
| Discharge Temperature | -20-60℃ |
| Storage Temperature | -20-40℃ |
| Cycle Life | ≥1000 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
