Views: 2 Author: Site Editor Publish Time: 2025-03-25 Origin: Site
Samsung INR21700-40T High-Power Li-ion Cell | 45A Peak Discharge, OEM/ODM Support, Bulk Stock!
Ultra-High Power Output:
35A Continuous Discharge (no temp. cut) / 45A Peak Discharge (80℃ cutoff), ideal for power tools and heavy-duty equipment.
3,900mAh Capacity @10A, stable performance for high-drain applications.
Extreme Temperature Operation:
-20°C Low-Temp Efficiency ≥60%, 60°C High-Temp Efficiency ≥95%, reliable in harsh environments.
6A Fast Charging (70min to full), minimizing downtime.
Long Lifespan & Safety Compliance:
≥60% Capacity Retention after 250 Cycles (35A discharge), reducing long-term costs.
Passed overcharge, short circuit, 130°C heating, crush tests, certified to UL1642 & IEC62133.
Customization Flexibility:
OEM/ODM Available (packaging, barcode, PCB integration).
Battery pack solutions (parallel/series configurations) for energy storage, medical devices, etc
| Parameter | Value/Specification |
|---|---|
| Model | INR21700-40T |
| Nominal Capacity | 4000mAh (0.2C discharge, 2.5V cutoff) |
| Nominal Voltage | 3.6V |
| Max. Charge Current | 6A (CC-CV, 4.2V cutoff) |
| Max. Discharge Current | 35A (Continuous) / 45A (Peak) |
| Cycle Life | ≥60% capacity after 250 cycles |
| Energy Density | 243Wh/kg (Estimated) |
| Dimensions | 21.22mm (Dia.), 70.30mm (H) |
| Weight | ≤70g |
Contact Now: Free samples, UL/IEC certifications, and technical support!
