Product Overview
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| Designed for demanding high-current engineering workflows and precision integration, this industrial-grade high power 18650 cylindrical battery leverages an optimized NCA silicon oxide chemistry matrix (Nickel Cobalt Aluminum / Graphite + Silicon Oxide). Engineered to support a reliable 12C continuous high rate discharge envelope, the 2.9Ah 3.6V system satisfies heavy load demands effortlessly while maintaining high energy density metrics (≥220 Wh/kg). This highly durable cell configuration offers exceptional structural safety parameters alongside an ultra-wide temperature range battery cell operating architecture, discharging uniformly across severe sub-zero environments down to -60 °C. It acts as a supreme hardware standard for portable power tools, high-frequency drone prototyping, backup UPS networks, and hybrid vehicle powertrain modeling projects. |
Technical Specifications
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| PARAMETER |
VALUE |
| 1. Core Device & Electrochemical Design |
| Cell Format Standard |
Cylindrical Form Factor (18650 Profile) |
| Cell Chemistry Link |
NCA / Gr+SiOx (Nickel Cobalt Aluminum / Graphite + Silicon Oxide) |
| Rated Capacity / Rated Voltage |
2.9 Ah / 3.6 V (@ 0.2C Evaluation Rate) |
| Voltage Range Parameters |
4.20 V Cut-off – 2.50 V Cut-off |
| AC Internal Resistance |
≤ 8.0 mΩ (@ 50% State of Charge) |
| 2. Cathode & Charge Parameters |
| Standard Charge Current |
1.0 C |
| Max. Continuous Charge |
3.0 C (Thermal cut-off @ 60°C) |
| Charge Temperature Range |
0 °C ~ +60 °C |
| 3. Anode & Discharge Parameters |
| Standard Discharge Current |
1.0 C |
| Max. Continuous Discharge |
12.0 C (Thermal cut-off @ 80°C) |
| Pulse Discharge Current (10s) |
20.0 C (≥ 30% State of Charge) |
| Discharge Temperature Range |
-60 °C ~ +60 °C |
| 4. Physical Package & Energy Metrics |
| Estimated Dimensions |
18 mm × 65 mm (Φ × H) |
| Estimated Weight |
46 g |
| Gravimetric Energy Density |
≥ 220 Wh/kg (@ 0.2C Rate) |
| Volumetric Energy Density |
≥ 620 Wh/L (@ 0.2C Rate) |
| Verified Lifecycle Metrics (@ 25°C) |
≥ 1000 cycles (1C/1C 100% DOD) | ≥ 500 cycles (1C/4C 100% DOD) | ≥ 300 cycles (2C/8C 80% DOD) |
| Alternative Catalog Items |
Explore our complete component catalog for alternative volumetric capacities, high-conductivity polymer separators, aluminum-laminated protective packaging films, or multi-channel battery cycling systems. |
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Key Features & Advantages
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- High Power Discharge: Supports 12.0C maximum continuous discharge and 20.0C pulse discharge (10s), delivering exceptional power for demanding applications.
- Fast Charge Capability: 3.0C maximum continuous charge enables rapid recharging, reducing downtime in high-usage scenarios.
- High Energy Density: ≥220 Wh/kg and ≥620 Wh/L, combining high capacity (2.9Ah) with a compact 18650 format.
- Extreme Temperature Range: Discharge from -40°C to +55°C and charge from 0°C to +55°C, reliable in cold environments.
- Advanced NCA/SiOx Chemistry: Nickel Cobalt Aluminum cathode with silicon oxide-blended graphite anode provides superior energy density, rate performance, and cycle stability.
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APPLICATION SCOPE: Highly recommended for professional power tools, high-drain drone assemblies, industrial UPS configurations, high-altitude research setups, and electric vehicle battery module prototyping.
SHIPPING & LOGISTICS: Secured within shock-damping hazardous material transport packaging boxes to preserve terminal connections. Arrives pre-calibrated and complete with comprehensive factory batch inspection data certificates.
IMPORTANT NOTICE: This high-power 18650 cell features low internal resistance (≤8.0 mΩ) and robust thermal management. Charge with CCCV profile, cut-off at 60°C. Discharge cut-off at 80°C. Do not exceed rated currents. Store in dry, ventilated area between 15-30°C. Do not disassemble, short circuit, or expose to fire.
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Frequently Asked Technical Questions
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What are the maximum continuous charge and discharge rates of this 18650 battery?
The cell supports 3.0C maximum continuous charge (60°C cut-off) and 12.0C maximum continuous discharge (80°C cut-off). For pulse loads, it can deliver 20.0C for 10 seconds (≥30% SOC).
What cycle life can be expected under high-rate operation?
At 25°C, the battery delivers ≥1000 cycles at 1C/1C 100% DOD, ≥500 cycles at 1C/4C 100% DOD, and ≥300 cycles at 2C/8C 80% DOD. The NCA/SiOx chemistry ensures excellent longevity even under aggressive discharge regimes.
How does this battery perform at extremely low temperatures?
The cell supports discharge down to -60°C and up to +60°C, with charge from 0°C to +60°C. This ultra-wide temperature range makes it suitable for cold-chain logistics, outdoor power equipment, and military applications.
What advantages does NCA/SiOx chemistry offer over standard NMC or LFP?
NCA (Nickel Cobalt Aluminum) combined with silicon oxide-blended graphite provides higher energy density (≥220 Wh/kg), excellent rate capability (12C continuous discharge), and good cycle life. It balances high power and high energy, ideal for premium power tools, drones, and EV applications where weight and runtime are critical.
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HIGH POWER SOLUTIONS & CUSTOM ORDERS
Request a quote for samples, pilot runs, or mass production. Our engineering team supports high-rate NCA/SiOx cell integration.
EMAIL: INQUIRY@ATOMFAIR.COM
Global logistics · Fast sample delivery · Technical datasheets available
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