We may earn a small commission on purchases made through our links.

Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.

x
Sorry, Something went wrong!
dumfume

2 Packs 12.8V 314Ah LiFePO4 Lithium Battery With 200A BMS

✅ In stock
F
Grade
💤 Not a Deal
4/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$849.96
Listed $729.99
Analysis Confidence 93%
Check Deal at Amazon
Price verified Sep 29, 2026 11:18 AM · Prices & availability subject to change

Is This a Good Price on Amazon?

💤 Not a Deal
  • 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
  • 💰The current price is slightly above the going rate for this product — worth watching for a drop.
  • 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
  • ➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 0/28
Recent Value 0/22
Market Standing 0/20
Deal Strength 0/20
Momentum 4/10

📝 Product Overview

🏪 Sold by Li Dumfume
🚚 Shipping Free Shipping

Product Details

✓【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.

⚙️ Specifications

Brand
dumfume
Size
2PCS 12V314AH(15.16×7.6×9.84)
Manufacturer
dumfume
ASIN
B0G5Y6JR76
Customer Reviews
4.5 4.5 out of 5 stars (435) var dpAcrHasRegisteredArcLinkClickAction; P.when('A', 'ready').execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( 'acrLink-click-metrics', 'click', { "allowLinkDefault": true }, function (event) { if (window.ue) { ue.count("acrLinkClickCount", (ue.count("acrLinkClickCount") || 0) + 1); } } ); } }); P.when('A', 'cf').execute(function(A) { A.declarative('acrStarsLink-click-metrics', 'click', { "allowLinkDefault" : true }, function(event){ if(window.ue) { ue.count("acrStarsLinkWithPopoverClickCount", (ue.count("acrStarsLinkWithPopoverClickCount") || 0) + 1); } }); }); 4.5 out of 5 stars
Best Sellers Rank
#42,536 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #171 in 12V Batteries #545 in Solar & Wind Power
Date First Available
December 9, 2025
Voltage
12.8 volts
Item Weight
25.95 kg
Item model number
12v 314ah
Manufacturer Part Number
(2 Packs)12.8V 314Ah

Related Products

F
$849.96
Check Deal →