The Samsung INR21700-40T redefines what a high-power 21700 cell can deliver, combining a substantial 4000mAh minimum capacity with an extraordinary 35A continuous discharge rate (45A maximum) This unique balance of energy and power density—206 Wh/kg gravimetrically with 2314 W/kg power density—makes the 40T the ideal choice for applications demanding both extended runtime and instant high-current delivery. For e-bikes, power tools, and drones, no other cell in its class offers this level of versatility.
| Battery Model | INR21700-40T |
| Battery Type | 21700 Cylindrical Cell |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 4000mAh |
| Working Voltage | 2.5V-4.2V |
| Max Charge Current | 1.5C |
| Max Discharge Current | 8.75C |
| Peak Discharge Current | 11.25C |
| Internal Resistance | ≤15mΩ |
| Charge Temperature | 0-45℃ |
| Discharge Temperature | -20-60℃ |
| Storage Temperature | -20-25℃ |
| 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
