12V 40Ah Sodium ion Battery

Introducing the CFS-NA1240, a high-performance 12.4V lithium battery with a nominal capacity of 40Ah and 496Wh of energy. This battery is engineered for exceptional longevity, supporting over 3000 cycles at 60% DOD and featuring very low self-discharge. It offers superior efficiency with 100% charge efficiency at 0.5C and up to 99% discharge efficiency. Built to withstand harsh conditions, it operates across an extremely wide discharge temperature range from -50°C to 90°C and is fully sealed to IP67 standards. With a high pulse discharge current of 10C and a compact, lightweight ABS plastic design, it is perfectly suited for high-power applications like engine starting, heavy-duty equipment, and custom projects requiring a reliable and powerful energy source.

1. High Energy Density: Provides a substantial 496 Watt-hours of energy in a compact and lightweight form factor, weighing only 4.5kg.

2. Exceptional Cycle Life: Offers a long service life of ≥3000 cycles at 60% Depth of Discharge (DOD), ensuring value and reliability over time.

3. Superior Efficiency: Features excellent charge acceptance (100% at 0.5C) and high discharge efficiency (96~99% @1C), maximizing energy utilization.

4. Extreme Temperature Performance: Capable of discharging in a remarkably wide temperature range from -50°C to 90°C, making it suitable for harsh environments.

5. Rugged IP67 Protection: Fully sealed against dust and water ingress, guaranteeing performance and longevity in demanding conditions.

6. Low Self-Discharge Rate: Loses less than 3% of its charge per month, ensuring it is ready for use even after periods of storage.

7. High Power Capability: Supports high pulse discharge currents up to 10C, ideal for applications requiring a large burst of power, such as engine starting.

8. Robust Construction: Housed in a durable ABS plastic case, providing strength and impact resistance.

9. Minimal Internal Resistance: With an internal resistance of ≤3mΩ, it ensures high efficiency, low heat generation, and stable voltage under load.

10. Customization Support: Offers the flexibility for customization to meet specific application requirements and integration needs.