ECI Power 12V 20Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year lifetime | Built-in BMS | Perfect for RV, Solar,

$77.99
by ECI Power

Shop Now
Proven Quality: The battery is backed by our industry leading engineering and after-sales teams covering North America and beyond since 1987 Unmatched Technology: The ECI Power LiFePO4 battery is designed to meet the needs of modern energy applications while exceeding performance comparable to even the most expensive batteries on the market. Also supports expansion up to 4 batteries sequenced in either series at 48V 20Ah, or in parallel at 12V 80Ah. Proven Quality: The battery is backed by our industry leading engineering and after-sales teams covering North America and beyond since 1987 Economical: At a phenomenal price point, the battery is rigorously lab-tested and guaranteed to meet a minimum 2000 cycles at 80% DOD, providing high-performance longevity with a maximum of 5000 cycles at 50% DOD. Complete Protection: The lithium battery’s unique built-in Battery Management System (BMS) protects it from overcharge, deep discharge, overloading, overheating and short circuit, and excessive low self-discharge rate ensuring up to 1 year maintenance-free storage. Built-in low-temp cut off prevents charging under 23 °F (-5 °C).

The battery's proprietary lithium-iron phosphate chemistry takes the hassle out of maintaining and utilizing the power you need. Batteries are meant to be used when you need them and if you need them all the time then lead acid becomes too unreliable and exhausting to keep track of. The lithium chemistry of the battery cuts the weight of the traditional lead acid battery to less than half while providing a massive boost to performance and capacity so you won't miss a single second of runtime. Designed for more than just storing power easily, they're here for you to provide long-lasting peace of mind with their immense durability making it easy to use them in your home, at your job, or for your outdoor needs where trust, safety, and the environment matter most. ExpertPower's lithium battery is the next step to a cleaner, stronger, and safer power solution.


  • Nominal Voltage: 12.8v
  • Charging Voltage: 14.4±0.2v
  • Rated Capacity : 20Ah (0.2C, 25°C)
  • Terminal Type: F13/M5
  • Dimensions (L x W x H): 7.1 x 3 x 6.6 (H + Terminal: 6.8) Inch
  • Weight: 5.8lbs
  • Max. Continue Discharge Current: 30A
  • Max. Permanent Discharge Current: 80A 10Sec.
  • Max. Continue Charge Current: 10A
  • Life Cycles: 2500 with 100% DOD; 3600 with 80% DOD; 7000 with 50% DOD

  • Operating Temperature:

    Discharging: -4°F to 140°F

    Charging: 32°F to 140°F

  • Storage Duration:12 months at 77°F
  • 1 Year Hassle-Free Warranty
  • Customer Reviews

    No ratings. Be the first to rate

     customer ratings


    How are ratings calculated?
    To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.

    Review This Product

    Share your thoughts with other customers