Description
High Power 18650 Cylindrical Lithium-ion Battery – NCA / Gr+SiOx (4-Pack)COMMERCIAL GRADE · PRODUCTION
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: INQUIRY@ATOMFAIR.COM
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MANUFACTURER: ATOMFAIR LLC
BRAND: ATOMFAIR®
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Charge voltage must not exceed 4.20 V to prevent overcharge, and continuous discharge must not exceed the 12C rating. The cell is designed for reliable discharge at temperatures down to -60 °C.
- Charge Voltage Limit: The cell must not be charged above 4.20 V to avoid overcharge and potential thermal runaway.
- Operating Temperature Range: The battery supports discharge at temperatures as low as -60 °C.
- Continuous Discharge Rate: Continuous discharge current should not exceed the 12C rating to maintain safe operation.
How does the NCA/Gr+SiOx chemistry trade off cycle life against the 12C continuous discharge capability in this 18650 cell?
The NCA/Gr+SiOx chemistry prioritizes high-rate discharge and energy density over maximum cycle life. The cell delivers a 12C continuous discharge (34.8 A) and a 20C pulse for 10 seconds, enabled by the silicon oxide additive which boosts capacity to 2.9 Ah and energy density ≥220 Wh/kg, but silicon expansion typically reduces cycle count compared to pure graphite anodes. For applications requiring both high power and extended cycling, a lower C-rate or different chemistry should be evaluated.
Can this 18650 battery be integrated into an existing battery management system designed for standard NCA cells without modifying charge cut-off thresholds?
Yes, integration is straightforward because the voltage window of 4.20 V to 2.50 V matches standard NCA cell specifications, so no BMS reprogramming is required for voltage limits. However, the BMS must support a maximum continuous charge current of 3.0 C (8.7 A) and a thermal cut-off at 60°C during charging, as well as a discharge thermal cut-off at 80°C, to prevent damage during high-rate operation.
What special handling or storage infrastructure is required to maintain safety and performance when discharging this cell at -60 °C?
The cell is rated for discharge down to -60 °C, but charging must never occur below 0 °C to avoid lithium plating and internal short circuits. Storage should be in a dry, temperature-controlled environment between -20 °C and +25 °C at partial state of charge (around 50% SOC) to minimize capacity fade. No special inert atmosphere is required, but the cell must be protected from physical puncture and kept away from conductive materials due to its low internal resistance of ≤8.0 mΩ.
This industrial-grade 18650 battery with NCA/SiOx chemistry delivers 12C continuous discharge and operates down to -60°C, making it suitable for high-power applications, though charging is restricted to above 0°C and pulse capability depends on state of charge.
Positive
- 12C continuous discharge capability: Supports 12C continuous high-rate discharge, enabling stable power delivery for high-current applications such as power tools, drone prototyping, and UPS systems.
- Ultra-wide discharge temperature range: Discharge operation spans -60°C to +60°C, allowing reliable performance in extreme cold environments without performance degradation.
Trade-offs
- Charge limited to above 0°C: Charge temperature range is 0°C to +60°C, meaning the cell cannot be charged below freezing, which restricts cold-environment recharging.
- Pulse discharge dependent on SoC: The 20C pulse discharge is only valid when state of charge is ≥30%, reducing peak power availability at low charge levels.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
