Designed for durability, the Samsung INR21700-50GB delivers 500+ charge cycles while retaining 80% capacity, outlasting standard cells in long-term use. Its low self-discharge minimizes energy loss during storage, making it ideal for backup power and seasonal equipment. Built with premium materials and strict Samsung SDI quality control, it maintains consistent performance over years of use, reducing replacement costs.
| Battery Model | INR21700-50GB |
| 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 | ≤18mΩ |
| Charge Temperature | 0-45℃ |
| Discharge Temperature | -20-60℃ |
| Storage Temperature | -20-45℃ |
| 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
