Ampace INR21700A is a Full Tab/Tabless high-rate 21700 li-ion cell with 4000mAh capacity and 3.7V nominal voltage. It features ≤4mΩ ultra-low internal resistance, 45A continuous discharge and 140A 5-second pulse output. Full tab structure reduces heat and improves conductivity. Ideal for power tools, e-mobility, battery packs and high-power devices.
| Battery Model | INR21700-JP40 |
| Battery Type | 21700 Cylindrical Cell |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 4000mAh |
| Working Voltage | 2.5V-4.2V |
| Max Charge Current | 2C |
| Max Discharge Current | 15C |
| Peak Discharge Current | 35C |
| Internal Resistance | ≤4mΩ |
| Charge Temperature | -10-60℃ |
| Discharge Temperature | -30-75℃ |
| Storage Temperature | 0-45℃ |
| Cycle Life | ≥600 cycles |
| Battery Size | φ21.31*70.42mm |
| Battery Weight | 70g |
| 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
