INR18650-2500mAh-10C
High-drain NMC cylindrical cell for power tools, AGV, and high-current applications.
Product Overview
The INR18650-2500mAh-10C is engineered for applications that demand sustained high-current discharge. With a 10C continuous discharge rating (25A), this cell delivers the power density needed for cordless power tools, AGV drive systems, and high-drain industrial equipment. Despite its high-power optimization, it maintains 2500mAh capacity — enough for meaningful runtime between charges. We selected this cell after evaluating 15+ high-drain 18650 candidates on pulse capability, thermal behavior under load, and cycle life at elevated discharge rates.
Specifications
| Parameter | Value |
|---|---|
| Model | INR18650-2500mAh-10C |
| Form Factor | 18650 Cylindrical |
| Chemistry | NMC (LiNiMnCoO₂) — High-Power Optimized |
| Nominal Capacity | 2500mAh |
| Nominal Voltage | 3.6V / 3.7V |
| Max Continuous Discharge | 10C (25A) |
| Pulse Discharge | 15C (37.5A, 10s pulse) |
| Cycle Life | ≥300 cycles (100% DOD at 10C) |
| Internal Resistance | ≤18mΩ (AC, 1kHz) |
| Dimensions | 18.3mm × 65.0mm |
| Weight | ~46g |
| Operating Temperature | Charge 0°C~45°C | Discharge -20°C~75°C |
Key Features
- 10C continuous / 15C pulse — sustained high-current delivery without overheating
- Ultra-low internal resistance — ≤18mΩ minimizes voltage sag and thermal losses under load
- High-power NMC formulation — optimized electrode design for current handling
- Robust thermal performance — safe operation up to 75°C discharge temperature
- 15C pulse capability — handles startup inrush and peak load conditions
Applications
- Cordless power tools (drills, saws, impact wrenches)
- AGV/AMR drive batteries
- High-drain portable equipment
- RC/hobby applications
- Robotics and automation
- Emergency power systems
Why We Chose This Cell
Most high-drain cells sacrifice too much capacity for power, or vice versa. The INR18650-2500mAh-10C hits the balance we look for: true 10C continuous capability backed by 2500mAh usable capacity. In our thermal testing at 25A continuous discharge, cell surface temperature stabilized at 68°C — well within safe limits and notably cooler than 8 of the 15 competing cells we tested. For customers building professional-grade power tool packs where both runtime and torque matter, this cell is our top recommendation.
Certifications
- UN38.3
- MSDS
- IEC62133
- CE
- RoHS
- REACH
Downloads
Datasheet and certification documents available upon request. Contact us for downloads →
FAQ
Does high-drain operation reduce cycle life significantly?
At 10C continuous, expect around 300 cycles to 80% capacity. At 5C, cycle life extends to 500+ cycles. We recommend sizing your pack so continuous draw stays below 7C for optimal longevity.
Can this cell be used in series packs?
Yes. With matched IR grouping and proper BMS, we recommend max 7S5P for tool packs.
Is spot welding recommended for this cell?
Yes, standard nickel strip spot welding is supported. We can provide welding specs for pack assembly.
Request a Quote
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