Maple Leaf 12V 300AH Lithium Iron Phosphate Battery W/ Self-Heating Function | UL9540A & UL1973 Certified - PRE ORDER FOR SEPTMBER

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Unlock a new level of power, flexibility, and durability with our 12V 300AH Lithium Iron Phosphate (LiFePO4) battery. This advanced battery solution incorporates cutting-edge features, including auto-balance among parallel connections, an integrated smart battery management system (BMS), state-of-the-art battery cells, self-heating function, and Bluetooth connectivity. With exceptional cycle life, discharge performance, and a range of convenient features, this battery offers reliable power for various applications while ensuring peace of mind.

Key Features:

  • Auto-balancing function for balanced power distribution among parallel connections.
  • Integrated smart battery management system (BMS) for protection against overcharging and over-discharging.
  • Self-heating function ensures reliable performance in extreme cold conditions.
  • High-quality manufacturing and rigorous quality assurance for reliability.
  • Versatile power solution for off-grid solar, EVs, marine applications, and more.

Unmatched Flexibility and Balance

Featuring an auto-balancing function, our LiFePO4 battery offers seamless distribution of power among parallel connections. This feature provides more flexibility for battery connections, allowing for optimal power utilization and extending the overall battery life. Experience enhanced efficiency and balanced performance across your battery system, regardless of the load requirements.

Smart Battery Management for Longevity

The integrated smart battery management system (BMS) takes charge of optimizing battery performance and lifespan. With comprehensive monitoring and control functions, the BMS safeguards against overcharging, over-discharging, and short circuits. This advanced system ensures the precise activation and regulation of the self-heating function, maintaining the battery at an ideal temperature range for exceptional performance and extended cycle life.

Cutting-Edge Battery Cells

Our LiFePO4 battery incorporates state-of-the-art battery cells, renowned for their reliability and high performance. These advanced cells provide superior energy density, resulting in a compact design with a higher power output. Benefit from efficient energy storage, longer runtimes, and increased overall efficiency, empowering your applications with robust and dependable power.

Exceptional Discharge Performance

Designed to meet demanding power requirements, our LiFePO4 battery excels in discharge performance. Whether you require a reliable power supply for off-grid solar energy systems or high-performance capabilities for electric vehicles (EVs) and marine applications, this battery ensures exceptional discharge characteristics. Count on consistent power delivery and reliable performance, even in the most demanding scenarios.

Reliable Power, Even in Extreme Cold

Experience uninterrupted power in cold climates with our LiFePO4 battery's self-heating function. This innovative feature maintains an optimal operating temperature range, ensuring reliable power performance in extreme cold conditions. Whether you need power for outdoor telecommunications, off-grid winter cabins, or any other cold environment, our battery keeps performing when others struggle.

Seamless Monitoring and Control

Stay connected and in control with the integrated Bluetooth connectivity. Monitor, control, and optimize your battery's performance in real-time through your smartphone, tablet, or monitoring system. Access comprehensive data on voltage, current, temperature, and state of charge. Receive notifications and alerts, enabling you to make informed decisions about power management, maintenance, and system optimization.

Quality Assurance and Eco-Friendly Choice

Our LiFePO4 battery undergoes rigorous quality assurance processes to ensure exceptional reliability and performance. We prioritize quality at every stage, from the selection of premium components to meticulous manufacturing and testing. Rest assured that you are investing in a high-quality and durable power solution.

Choose an eco-friendly power solution with our LiFePO4 battery. Lithium Iron Phosphate chemistry offers numerous environmental advantages, including lower toxicity and reduced carbon footprint compared to traditional battery chemistries. By opting for our LiFePO4 battery, you contribute to a greener future while enjoying the benefits of reliable and sustainable power.

Experience the power, flexibility, and peace of mind that our 12V 300AH LiFePO4 battery offers. Upgrade your power systems today for enhanced performance and longevity.

Package Includes


  • Nominal Energy: 3.84 kWh

  • Nominal Voltage: 12.8V

  • Normal Capacity: 300Ah

  • Internal Resistance: 20mΩ @1kHz AC

  • End of Discharge Voltage: 9.6~11.0V

  • Weight (No accessories): 40±0.5 Kg

  • Normal Charge Voltage: 13.8±0.2V

  • Allowed MAX Charge Current: 200A 30min@25±5°C

  • Recommended Charge Current: 200A 30min@25±5°C

  • Allowed MAX Discharge Current: 150A

  • Float Charge Voltage (for standby use): 14.6~15.6V


  • Length: 521±2mm

  • Width: 280±2mm

  • Height: 235±2mm

Operation Temperature:

  • Charge: -35~45°C

  • Discharge: -20~55°C


    Not satisfied with your purchase? Return or exchange your order for FREE through our online return center portal here

    For more information on our return policy please visit our Return Policy page or Return your order - Solar-Power-Store ( 

    Processing time:

    All orders are processed within 1 to 3 business days (excluding weekends and holidays) after receiving your order confirmation email. You will receive another notification when your order has shipped. 

    Shipping times:

    We currently carry inventory that is stored in Canada and the US and as such certain items will have different shipping times.

    For Canadian located inventory: The standard shipping time will be between business 4-14 days from the day the inventory was processes. Note faster shipping options may be available upon checkout. 
    For USA located inventory: The standard shipping time will be between 7-20 business days from the day the inventory was processes. Note faster shipping options may be available upon checkout. 

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