12V 280AH LiFePO4 DIY Battery Kit


Price:
Sale price$149.99
Stock:
In stock

Description

Create your own high-capacity power solution with this 12V 280Ah LiFePO4 DIY Battery Kit, engineered for performance, safety, and ease of assembly. This complete kit includes an integrated Battery Management System (BMS) designed to manage and protect your lithium iron phosphate (LiFePO4) battery configuration, ensuring safe and reliable operation. Note: LiFePO4 cells are sold separately.

Ideal for RVs, solar energy storage systems, marine power banks, backup systems, and off-grid applications, this battery kit offers advanced features for custom energy solutions without compromising on quality or performance.

  • 12V 280Ah Capacity: Designed to support high-demand devices and extended power needs
  • Built-in Smart BMS: Protects against overcharging, over-discharging, short circuits, and overheating
  • DIY-Friendly Kit: Modular design makes it easy to assemble and configure to your setup
  • Supports LiFePO4 Cells: Compatible with 3.2V 280Ah prismatic LiFePO4 battery cells (sold separately)
  • Versatile Applications: Great for solar storage, RV power banks, marine systems, and backup power supplies

This DIY 12V 280Ah LiFePO4 battery kit with BMS gives you the flexibility to build a powerful, long-lasting energy solution tailored to your project. Combine it with your preferred LiFePO4 cells to get started on your next high-performance battery build.

 

⚠️ WARNING:
This kit does not include instructions for assembly or wiring. It is designed for experienced battery pack builders only. By purchasing, you acknowledge that you have the necessary knowledge, skills, and tools to safely assemble and use this kit. 18650battery.com assumes no liability for improper assembly, use, or resulting damage/injury.

⚠ Important Safety Warnings

Improper handling or misuse of this Lithium Iron Phosphate (LFP) battery can result in ELECTRICAL DAMAGE, FIRE, or THERMAL RUNAWAY, causing personal injury, property damage, or equipment failure. Users must read and follow all safety guidelines before purchase and use. Click here to review the full safety guidelines.

  • Voltage Limits: Always operate within the recommended voltage range (2.5V–3.65V). Exceeding these limits can degrade performance, damage the cell, or pose safety risks.
  • Thermal Stability: LFP cells are thermally stable, but short circuits, overcharging, or physical damage can still cause overheating or failure.
  • Storage & Transport: Always store cells in protective cases or fully assembled battery packs with proper protection circuitry (BMS). Never store loose cells in bags or near conductive materials (e.g., tools, wires, or metal objects) that could contact the terminals and cause a short circuit. Store in cool, dry conditions away from physical or electrical hazards.
  • Inspection: Do not use if the battery casing, wrapper, or terminal is damaged, dented, leaking, or bulging. These are signs of instability and potential failure.
  • Charging: Use a smart charger specifically designed for LFP cells and ensure that the charger's voltage matches the battery's specifications. Monitor charging and avoid leaving batteries unattended.
  • Prohibited Activities:
    • Do not expose the battery to high heat, fire, or liquid.
    • Do not short circuit, puncture, crush, or modify the cell.
    • Do not charge or discharge beyond the manufacturer’s specified voltage range.
    • Do not dispose of in regular trash—always recycle responsibly.
  • Emergency Response: If the battery overheats, emits smoke, or swells, move it to a non-flammable surface (e.g., sand or concrete) and stop use immediately. In case of fire, use a Class D fire extinguisher or sand. Do not use water.

Disclaimer

18650Battery.com is not responsible for any damages, injuries, or claims arising from improper use, handling, or failure to follow these safety guidelines. Lithium Iron Phosphate (LFP) cells are designed for specific applications and must be integrated into systems with proper protection circuitry. It is the reseller's responsibility to ensure all safety warnings and product guidelines are effectively communicated to their customers. Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.

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