Do you have any advice on series and parallel connections?

Before connecting batteries in series or in parallel for the first time, please ensure that each battery has been fully charged individually (only connect batteries of the same make and model).

Returns and Exchanges Policy

For returns and exchanges not relating to quality issues, the buyer is responsible for the postage costs.

Does the package include a dedicated lithium iron phosphate (LiFePO₄) charger?

Charger not included. Please use only a 14.6V LiFePO4 smart charger; using a lead-acid charger will damage the battery, and this will not be covered by our after-sales service. Compatible LiFePO4 chargers are available from our shop.

Can I install and use it straight away upon delivery?

No, the battery’s charge level is ≤30% when it leaves the factory, and some charge will be lost during transport, so it is normal for the voltage to be low when you receive it. Please charge it fully before use.

Can the battery be charged and discharged in cold conditions?

Battery operates normally from -20℃ to 60℃. Charging below 0℃ is forbidden to avoid cell damage. For winter outdoor use, warm battery indoors to over 5℃ prior to charging.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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2-Pack 12V 314Ah LiFePO4 Battery with 200A BMS 15000+ Deep cycles

2-Pack 12V 314Ah LiFePO4 Battery with 200A BMS 15000+ Deep cycles

Product ID: 788932975

Details

Automotive Fit Type
Universal Fit
Battery Capacity
314 Amp Hours
Battery Cell Composition
Brand
dumfume
Item Weight
27.6 Kilograms
Manufacturer
dumfume

⚡200A BMS for robust power & safety

🔄15,000+ deep cycles lifespan

🔋314Ah capacity per battery

¥431633

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In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power Up Your Freedom — Never Run Out, Never Settle!

BUILT IN 200 A SMART BMS - Advanced protection against overcharge, discharge, and short circuits for peace of mind.
SEAMLESS PARALLEL EXPANSION - Scale your power effortlessly with up to 4S4P configurations for ultimate flexibility.
COMPACT LIGHTWEIGHT DESIGN - Easy to install and transport—perfect for modern mobile and off-grid setups.
ULTRA DURABLE 15 000 CYCLES - Outlasts traditional batteries by 30x, saving you money and hassle over time.
MASSIVE 4 01 K WH ENERGY RESERVE - Power your RV, solar, or off-grid lifestyle with long-lasting, reliable energy.

The Dumfume 2-Pack 12V 314Ah LiFePO4 batteries deliver a combined 4.01kWh of clean, efficient energy with a robust 200A Battery Management System ensuring safety and reliability. Designed for RVs, solar, and off-grid applications, these lightweight, compact batteries boast an exceptional lifespan of over 15,000 deep cycles, drastically reducing replacement costs. With easy parallel connectivity and IP65 waterproofing, they are engineered for demanding environments and long-term performance.

Specifications

ASIN	B0G2M3T2CW
Automotive Fit Type	Universal Fit
Battery Capacity	314 amp_hours
Battery Cell Composition	Lithium-Phosphate
Battery Type	Lithium-Phosphate
Best Sellers Rank	#138,165 in Health & Household ( See Top 100 in Health & Household ) #312 in 12V Batteries
Brand	dumfume
Brand Name	dumfume
Compatible with Vehicle Type	RV
Customer Reviews	4.5 out of 5 stars 175 Reviews
Item Highlight	IP65 Waterproof, Low Temp Cutoff, 4.01kWh Energy, for RV, Solar, Off-Grid, Campers, Marine
Item Weight	27.6 kg
Manufacturer	dumfume
Manufacturer Part Number	2 PCS 12.8V 314AH
Manufacturer Warranty Description	5 Year
Model Number	12.8V 314AH
Number of Items	2
Size	2PCS 12V314AH(15.16×7.6×9.84)
Vehicle Service Type	RV
Voltage	12.8 volts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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¥431633

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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