Views: 5 Author: Site Editor Publish Time: 2025-03-24 Origin: Site
INR21700-4000(40H) High-Rate 21700 Li-ion Cell | 40A Continuous Discharge, OEM/ODM Support, Bulk Stock!
Unmatched Discharge Performance:
40A Continuous Current, perfect for power tools, drones, and industrial equipment.
10C Burst Discharge delivers instant power response.
Fast Charge & Long Lifespan:
6A Rapid Charging (70min to full @100mA cutoff), 50% faster than standard cells.
60% Capacity Retention after 300 Cycles (35A discharge), exceeding industry benchmarks.
Industrial Safety Compliance:
Passed Overcharge, Short Circuit, Crush (13kN), 130°C Heating tests, certified to IEC 62133.
Ultra-low impedance (≤12mΩ) minimizes heat generation.
Extreme Temperature Operation:
-20°C Low-Temp Efficiency ≥60%, 60°C High-Temp Efficiency ≥95%, ideal for harsh environments.
Customization & Stock Advantage:
OEM/ODM Available (sleeve color, barcode, packaging).
16,000pcs/pallet in stock, global shipping within 48hrs.
| Parameter | Value/Specification |
|---|---|
| Model | INR21700-4000(40H) |
| Nominal Capacity | 4000mAh (Min. 3900mAh) |
| Nominal Voltage | 3.6V |
| Max. Charge Current | 6A (CCCV, 4.2V cutoff) |
| Max. Discharge Current | 40A (Surface temp ≤80°C) |
| Cycle Life | ≥60% capacity after 300 cycles |
| Energy Density | 296Wh/kg (Estimated) |
| Dimensions | 21.2±0.2mm (Dia.), 70.5±0.2mm (H) |
| Weight | 66±2g |
Contact Now: Free samples, IEC/UL certifications, and technical support provided!
