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dumfume

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

✅ In stock
F
Grade
💤 Not a Deal
0.45/100
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 $329.99
Analysis Confidence 100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 21, 2026 11:56 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.
  • 📉A lower price did appear very recently, suggesting the market may revisit that level before long.
  • 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.

How We Scored This Deal

Price Competitiveness 0/28
Recent Value 0/22
Market Standing 0.45/20
Deal Strength 0/20
Momentum 0/10

📝 Product Overview

🏪 Sold by Dumfume-US
🚚 Shipping Free Shipping

Product Details

Compact & Powerful: You Will Received Two Packs Of Dumfume 12V 300Ah (314Ah) LiFePO4 battery Weighs Only 57 lbs, 1/3 The Weight Of A Comparable Lead-Acid Battery. Its Energy Density Is Nearly Double That Of An Equivalent Lead-Acid Battery, With An Impressive Energy Capacity Of Up To 3840Wh. Its Compact Design Is Easy To Carry And Install, Delivering Maximum Functionality In Minimum Space.Ideal for RV, Marine, trolling motor, and Off-Grid Systems.
Extra Long Cycle Life: Crafted With Premium Lithium Iron Phosphate Batteries,Dumfume 12V 300ah (314Ah) Lithium Iron Phosphate Battery Boasts A Lifespan Of Up To 10 Years. It Supports 4,000 Cycles At 100% DOD And Up To 15,000 Cycles At 60% DOD, Which Is More Cost-Effective Than Traditional Lead-Acid Batteries (Only Provide 200-500 Cycles) With Significantly Fewer Replacements.Dumfume lifepo4 battery Solution Highlights Its Durability And Reliability, Making It The Best Choice For Long-Term Use.
Safety & Durability: Dumfume 12V 300Ah Rechargeable Lithium Iron Phosphate Battery Have Passed Relevent Certifications. Built-In Battery Management System (BMS) Provides Overcharge, Overdischarge, Overcurrent, Overheat And Short Circuit Protection. With High/Low Temperature Automatic Cut-Off Function To Ensure Safe Charging/Discharging.Can be used for trolling motors with power less than 2 kW.
Crafted With High-Strength, Impact-Resistant ABS Casing,Dumfume 300ah deep cycle battery Excels In Heat, Weather, And Flame Resistance. It Ensures Stable And Lasting Power In Harsh Environments. 12.8V 300ah lifepo4 battery Can Be Connected In Parallel And Series. Powerful Energy Extension System Meets Diverse Power Needs. Ideal For Home Energy Storage, Power Walls,Rvs, Campers, Fishing.
Note:Dumfume battery Under Various Temp/Humidity Measurement Methods And Instruments, Voltage And Current May Deviate By 1%~5%. Charge/Discharge Battery Once Every 6 Months To Prevent Damage From Disuse.Please Feel Free To Contact Us If You Encounter Any Problems During Use!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
Vehicle Service Type
Motorhome, RV, Scooter, Trailer
Size
(15.16×7.6×9.84)2PCS 12V314Ah
Voltage
12.8 volts
Battery Cell Composition
Lithium Metal
Item Weight
63.9 pounds
Number Of Cells
2
Terminal
M8
Battery Capacity
314 amp_hours
Item Highlight
4019Wh Energy,15000+ Cycles,IP65 waterproof low temperature protection for Solar,Backup Power,RV,Camping,Marine
Compatible with Vehicle Type
Motorhome, RV, Scooter, Trailer
F
$849.96
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