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 Pack 12.8V 100AH MINI LiFePO4 Battery, Built-in 100A BMS

✅ In stock
F
Grade
💤 Not a Deal
3.11/100
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.
$319.66
Listed $365.99
Save $46.33 13% OFF
Analysis Confidence 81%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 25, 2026 9:46 PM · 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.
  • 🏷️The listed retail price is trimmed by 13% at checkout.
  • 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
  • 📈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 3.11/20
Deal Strength 0/20
Momentum 0/10

📝 Product Overview

🏪 Sold by Li Dumfume
🚚 Shipping Free Shipping

Product Details

✓A+ LiFePO4 Cells for Long Lifespan: 12 volt 100Ah Mini LiFePO4 battery Built with high-quality LiFePO4 deep cycle cells, this unit delivers an extended lifespan of up to 10 years. It supports 4000 cycles at 100% DOD and up to 15,000 cycles at 60% DOD, significantly outperforming traditional lead-acid batteries that offer only 200-500 cycles.
✓Lightweight & High Energy Density: Dumfume 12V 100Ah Mini LiFePO4 Lithium Battery Weighing only 19-20 lbs, this lightweight lithium battery is 1/3 the weight of traditional lead-acid batteries, yet offers the same 1280Wh capacity. With 22% higher energy density, it's perfect for portable applications such as camping, Solar Energy Storage Systems, RV Power Systems and off-grid systems, delivering powerful energy in a lightweight,portable form.
✓Expandable connections: With an robust construction, it's perfect for outdoor and off-grid use, ensuring long-lasting durability in challenging conditions. This Dumfume lifepo4 battery 12v 100ah mini supports parallel and series connections up to 4S4P, allowing for a maximum capacity of 20.48kWh.Battery performance requires temperatures of 5°C or higher. Please verify suitability before purchase. Return shipping for low-temperature charging issues is not covered.
✓100A BMS for Comprehensive Protection: Mini 12v 100ah lifepo4 battery built-in 100A Battery Management System(BMS) ensures optimal protection against overcharge,over-discharge, overcurrent,short circuits, and temperature extremes (-4*℉ to 158*F). The BMS also balances cell voltage for maximum performance, providing reliable energy in various environments.
✓Attention: The Dumfume LiFePO4 battery is intended for use as an energy storage purpose, Please do not use this battery as starting batteries, golf cart batteries, or jacks. We do not suggest using it to start any device! Note: 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.

⚙️ Specifications

Brand
dumfume
Voltage
12.8 volts
Item Weight
9.8 kg
Manufacturer
dumfume
Item model number
12v 100ah mini
Manufacturer Part Number
lithium batterie
ASIN
B0FG2SFX2B
Customer Reviews
4.4 4.4 out of 5 stars (432) 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); } }); }); 4.4 out of 5 stars
Best Sellers Rank
#44,776 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #213 in 12V Batteries #596 in Solar & Wind Power
Date First Available
June 30, 2025
Vehicle Service Type
RV

Related Products

F
$319.66
Check Deal →