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

12.8V 300Ah Lithium LiFePO4 Battery With 200A BMS 15000+ Deep Cycles

✅ In stock
?
Grade
⏳ Analyzing…
—
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.
$417.96
Listed $329.99
Analysis Confidence 59%
Check Deal at Amazon
Price verified Sep 29, 2026 6:49 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

  • ⏳Verdict: Analyzing…. Not able to score this deal yet.

📝 Product Overview

🏪 Sold by Li Dumfume
🚚 Shipping Free Shipping

Product Details

✓【3840Wh High Capacity, Lightweight & Compact Size】 This 12V 300Ah LiFePO4 battery (bateria de litio 12V 300Ah) delivers a true 3840Wh capacity. At 15.16×7.6×9.84 in (with handle) and 57.28 lbs—about 1/3 of lead acid—it fits tight spaces and one person can install it. One 300Ah battery replaces two 12V 150Ah batteries wired in parallel, saving space and simplifying wiring for RV, camping and boat setups with limited room.
✓【10-Year Lifespan & 15000 Cycles】 Built with premium Grade-A LiFePO4 cells, this 12v 300Ah lithium battery delivers 4,000 cycles at 100% DOD and 15,000 cycles at 60% DOD, with a lifespan of up to 10 years. Compared with lead-acid batteries that only offer 200–500 cycles, this 12V lithium battery 300Ah is more durable, greatly reducing replacement frequency and cost—a smart investment for solar and off-grid energy storage.
✓【Built-in 200A BMS & Low-Temp Protection for Cold Weather】 The intelligent 200A BMS protects this 12 volt lithium battery from overcharge, over-discharge, overcurrent, overheating and short circuits. Low-temp cutoff stops charging at 32°F/0°C and resumes at 41°F/5°C; discharge protection activates below -4°F/-20°C, helping this rv lithium battery 12v avoid damage in extreme cold.
✓【IP65 Waterproof & 4S4P Flexible Connection】 This DUMFUME 300Ah lithium marine battery features an impact-resistant ABS casing with IP65 waterproof rating, resisting heat, weather, and marine conditions. It supports 4S4P series and parallel connections, expandable up to 61.44kWh (51.2V 1200Ah). With fewer wires and easier installation, it's ideal for standalone energy systems and long trips.
✓【5-Year Warranty & 24/7 Support】 This DUMFUME LiFePO4 battery 12v comes with a 5-year warranty and 24/7 customer support. After excluding human-caused damage, we provide replacement or repair per policy. Please note: this 300 amp hour lithium battery 12v is a deep cycle energy storage battery, not a starting battery. For long-term storage, recharge and discharge every 6 months to extend battery life.

⚙️ Specifications

Number of Batteries
1 12V batteries required.
Brand
dumfume
Recommended Uses For Product
Indoor/Outdoor
Unit Count
1 Count
Voltage
12.8 volts
Manufacturer
dumfume
Model
Dumfume Battery-12V300A
Item Weight
25.98 kg
Item model number
S95356
Batteries
1 12V batteries required.
Manufacturer Part Number
12V300AH

Related Products

?
$417.96
Check Deal →