INR18650-2900mAh-3C
Higher-capacity NMC cell for extended runtime applications.
Product Overview
The INR18650-2900mAh-3C delivers 2900mAh in the standard 18650 form factor — a 12% capacity increase over the 2600mAh class while maintaining 3C continuous discharge capability. This cell is ideal for applications where runtime is critical but moderate discharge rates are sufficient: e-bike packs, medical device batteries, and portable energy storage. It earned its place through consistent 2900mAh+ delivered capacity (not just rated) and excellent cycle life above 500 cycles.
Specifications
| Parameter | Value |
|---|---|
| Model | INR18650-2900mAh-3C |
| Form Factor | 18650 Cylindrical |
| Chemistry | NMC (LiNiMnCoO₂) |
| Nominal Capacity | 2900mAh |
| Nominal Voltage | 3.6V / 3.7V |
| Max Continuous Discharge | 3C (8.7A) |
| Cycle Life | ≥500 cycles (80% retention) |
| Internal Resistance | ≤35mΩ (AC, 1kHz) |
| Dimensions | 18.3mm × 65.0mm |
| Weight | ~47g |
| Operating Temperature | Charge 0°C~45°C | Discharge -20°C~60°C |
Key Features
- 2900mAh usable capacity — verified across production batches
- 3C stable discharge — consistent power with minimal sag
- 500+ cycle life — long service life for cost-sensitive applications
- Low self-discharge — excellent shelf life for seasonal products
Applications
- Long-range e-bike batteries
- Medical device power packs
- Portable energy storage
- Camping/solar generator packs
- Backup power systems
Why We Chose This Cell
In the 2900mAh class, many cells deliver rated capacity only under ideal lab conditions. This cell consistently delivers 2900mAh+ at 0.2C discharge in real-world testing. Its cycle life curve is notably flat — capacity fade is gradual and predictable, not cliff-like. For customers designing products with 2-3 year battery warranties, this predictability is invaluable.
Certifications
- UN38.3 / MSDS / IEC62133 / CE / RoHS / REACH
FAQ
MOQ?
From 1,000 cells. Samples available.
Matched cells available?
Yes, IR and capacity matching available.
Request a Quote
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