Wholesale Price ND21700-40H rechargeable cell combines 4000mAh capacity with 8C high-rate discharge and ≤15mΩ low impedance. It offers stable high output and long service life, suitable for high-power digital electronics and professional power devices. Bulk orders enjoy factory wholesale price. Low cost, high power and strong durability make it perfect for industrial robotics and heavy machinery.
| Battery Model | ND21700-40H |
| Battery Type | 21700 Battery Cell |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 4000mAh |
| Working Voltage | 2.75V-4.2V |
| Max Charge Current | 3C |
| Max Discharge Current | 8C |
| Peak Discharge Current | 10C |
| Internal Resistance | ≤15mΩ |
| Charge Temperature | -0-45℃ |
| Discharge Temperature | -20-75℃ |
| Storage Temperature | -20-45℃ |
| Cycle Life | ≥300 cycles |
| Battery Size | φ21.7*70.5mm |
| Battery Weight | 69.5g |
| 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
