2 Packs 12V 314Ah LiFePO4 Lithium Batteries, 200A BMS 15000+ Deep Cycles 300Ah Battery, Low Temp Cutoff, 4.01kWh for Large RV Solar System & Off-Grid Power

★★★★★ 4.8 107 reviews

$90.00
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Management number 209129461 Release Date 2026/03/29 List Price $36.00 Model Number 209129461
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  • 【Unlock Double the Power】 Elevate your energy independence with our premium 2-Pack of 12V 314Ah LiFePO4 batteries. This powerful duo delivers a combined 8.02 kWh of energy—perfect for seamlessly powering extensive RV, marine, or robust off-grid solar systems right out of the box. Experience the convenience and ready-to-scale solution of our Dumfume 300Ah (314Ah) lithium battery pack, designed to bring immediate, reliable power to your most demanding adventures and backup needs.
  • 【Twice the Reliability with Automotive-Grade A+ Cells】 Each 12V 300Ah LiFePO4 battery in this 2-Pack uses top-tier LiFePO4 cells and a robust 200A BMS for full protection against overcharge, over-discharge, and temperature extremes. The low-temperature cutoff (-4°F/-20°C) protects charging in freezing conditions. Each deep cycle battery 12V offers 4000+ cycles at 80% DOD, lasting 3-5x longer than lead-acid—doubling reliable power for your setup.
  • 【Easy Handling for Big Projects】 Revolutionize your power setup without the heavy lifting! Each 12V battery pack in this 2-Pack is remarkably lightweight at just 57.28 lbs and features a compact design (15.16"x7.6"x9.84") with an integrated carry handle. This makes installing these 12V rechargeable batteries in your RV, camper, or solar cabinet effortless. The simple, parallel-ready design means no complex wiring is needed to combine their power, saving you significant time
  • 【Plug-and-Play Parallel for Massive Power】 This versatile 2-Pack of LiFePO4 battery 12V 300Ah units is your perfect building block for larger systems. Connect them in parallel instantly to create a high-capacity 12V 628Ah (8.02kWh) power bank, ideal for running heavy-duty appliances over 2000W. Designed to support configurations up to 4S4P, this set is the ultimate upgrade for creating a whole-home backup or a formidable 64.3 kWh energy system for large-scale solar and off-grid applications.
  • 【Double the Security with a 5-Year Warranty】 Invest confidently in our Dumfume 300Ah lithium battery 2-Pack, backed by a dedicated 5-year warranty. Engineered as a 300ah deep cycle battery, this set is perfect for expanding renewable energy and RV power. Note: Designed for sustained energy in deep cycle use, NOT for engine starting. Choose the LiFePO4 12.8V 314Ah battery pack that ensures performance for your energy self-sufficiency.
  • Battery performance requires temperatures of 5°C or higher. Please verify suitability before purchase. Return shipping for low-temperature charging issues is not covered.
Size 2PCS 12V314AH(15.16×7.6×9.84)
Voltage 12.8 Volts
Brand Name dumfume
Manufacturer dumfume
Manufacturer Part Number (2 Packs)12.8V 314Ah

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