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Dumfume 12V 314Ah Lithium LiFePO4 Battery With 200A BMS | 4019.2Wh High Capacity,15000+ Deep Cycle,Low Temp Protection,IP65 Waterproof for Solar Energy,Storage Backup Power RV Camping

A 12 V 314 Ah (4,019 Wh) battery with a 200 A BMS, an IP65 ABS case, a low-temperature charge cut-off and 4P4S expansion. It lists 4,000 cycles at 100% depth of discharge and a 5-year warranty. At 60.85 lbs it is slightly heavier than some other 314 Ah batteries, and with no Bluetooth listed it suits RV and solar banks that need capacity without app monitoring.

$439.96 as of – Details

In Stock on Amazon

Battery capacity
314 Ah
Max continuous discharge
200 A
Charge voltage
14.6 V
Cycle life (100% DoD)
4,000 cycles
Brand
dumfume

Rankings in the liFePO4 batteries Category

How does this product compare with others in Nomad Gear Finder's liFePO4 batteries category?

  • Battery capacity 314 Ah Higher than 81% of 95 others
  • Weight 60.85 lbs Higher than 72% of 88 others
  • Depth/Height 9.84 in. Higher than 80% of 73 others

Compare this product with close matches Compare with all liFePO4 batteries

Videos for this product

We searched YouTube for reviews, installation guides, and manufacturer videos for Dumfume 12V 314Ah Lithium LiFePO4 Battery With 200A BMS | 4019.2Wh High Capacity,15000+ Deep Cycle,Low Temp Protection,IP65 Waterproof for Solar Energy,Storage Backup Power RV Camping. Note that many product videos are sponsored by manufacturers, so keep in mind that some reviews may be biased in favor of the product. Negative videos are less likely to get made and posted.

Review Dumfume 12V 314Ah Teardown and Review · Cleversolarpower by Nick A reviewer runs a capacity test on the 314Ah battery, then opens it up to inspect the cells, build quality and BMS.
Review DumFume 314Ah 12 Volt Lifepo4 Battery Testing And Review, Teardown · Mike Builds A bench test and teardown of the 314Ah battery, including pulling it past rated capacity and checking its high-current cutoff.
Review This Dumfume 314Ah Battery Is a Beast... with almost no overcurrent protection · Scott Link Media Explains the battery's weak overcurrent protection, shows a load test and how to add your own fusing.

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Specifications

These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase; see our About page for more information.

Popular brand
No

Core specs

Battery capacity
314 Ah
Battery capacity
4,019 Wh
Max continuous discharge
200 A
Charge voltage
14.6 V
Cycle life (100% DoD)
4,000 cycles
Cycle lifespan
15,000+ Cycles

Multiple Batteries

Max batteries in parallel
4
Max batteries in series
4

Temperature Range

Low-temp charge cut-off
Yes

Physical Attributes

Weight
60.85 lbs
Width
7.60 in.
Length
15.16 in.
Depth/Height
9.84 in.
Housing material
ABS
IP rating
IP65

Warranty & Certification

Warranty
5 Years

Features

Details from the dumfume Amazon listing:

  • Compact & Powerful:Dumfume 12V 300Ah (314Ah) LiFePO4 Deep Cycle Lithium Battery Weighs Only 57 lbs,1/3 The Weight Of Lead-Acid Battery,energy density nearly double lead-acid.With An Impressive Energy Capacity Of Up To 4019.2Wh. Its Compact Design Is Easy To Carry And Install, Delivering Maximum Functionality In Minimum Space. Ideal For RV, Camper, Travel Trailer, Solar Energy Storage, Home Solar Power Setup, Backup Power, Off-Grid Systems, Boat, And 12V Lithium Battery Applications.
  • 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.300ah lithium battery Solution Highlights Its Durability And Reliability, Making It The Best Choice For Long-Term Use.
  • Safety & Durability: Dumfume 12V 300Ah (314Ah) Rechargeable Lithium Iron Phosphate Battery Have Passed Relevent Certifications. Built-In 200A Battery Management System (BMS) Provides Overcharge, Overdischarge, Overcurrent, Overheat And Short Circuit Protection. lithium battery 12v 300 With High/Low Temperature Automatic Cut-Off Function To Ensure Safe Charging/Discharging.
  • IP65 WATERPROOF & 4S4P FLEXIBLE: Crafted with a high-strength, impact-resistant IP65 waterproof ABS casing, Dumfume 300Ah (314Ah) deep cycle battery excels in heat, weather, and flame resistance. This 12v lithium battery ensures stable, lasting power in harsh environments and supports 4S4P (4 series, 4 parallel) connections for powerful energy expansion. Ideal for home energy storage, power walls, RVs, campers, and fishing.
  • 5-Year Warranty & Support: Dumfume 12V 300A (314Ah) LiFePO4 Battery is backed by a 5-year warranty and customer support. For 4S4P expansion, use 12 volt lithium battery of the same model, voltage, and capacity—plug-and-play. Compatible with 14.6V LiFePO4 chargers and solar charge controllers. 300 ah lifepo4 battery Ideal for RVs, solar systems, off-grid applications, and backup power. Customer support covers questions regarding charging, installation, and system-related issues.

Similar products from other brands

Chosen for their similar specs and price:

Similar products from other brands
This productDumfume 12V 314Ah Lithium LiFePO4 Battery With 200A BMS | 4019.2Wh High Capacity,15000+ Deep Cycle,Low Temp Protection,IP65 Waterproof for Solar Energy,Storage Backup Power RV Camping 12V 300AH Low Temp Cutoff LiFePO4 Lithium Battery, Built in 200A BMS | Max 2560W Power Output, 5000+ Cycles Rechargeable Lithium Deep Cycle Battery, for RV/Camper, Backup Power, Solar, Off Grid Wattcycle WT12V314AH200MINIBT MEYULMOL 12300-180L-BT
Price $439.96 $539.99 $503.49 $389.99
Model – – WT12V314AH200MINIBT 12300-180L-BT
Popular brand No No – No
Battery capacity Ah 314 300 314 300
Battery capacity Wh 4,019 3,840 4,019 3,840
Voltage V – 12 12 –
Max continuous discharge A 200 200 200 200
Peak discharge current A – 500 600 –
Charge voltage V 14.6 14.6 14.6 –
Max charge current A – 200 200 –
Cycle life (100% DoD) cycles 4,000 – – –
Cycle lifespan 15,000+ Cycles 5,000+ Cycles 6,000+ Cycles 4,000+ Cycles
Self-discharge %/month – 3.0 3.0 –
Max expanded capacity Wh – – 64,307 –
Max batteries in parallel 4 4 4 4
Max batteries in series 4 4 4 4
Low-temp charge cut-off Yes Yes Yes Yes
Charging temp min ℉ – 32 32 32
Charging temp min ℃ – 0 0 0
Discharging temp min ℉ – -4 -4 -4
Discharging temp max ℉ – 140 140 –
Discharging temp min ℃ – -20 -20 -20
Discharging temp max ℃ – 60 60 –
App connectivity – – Bluetooth 5.0 –
Built-in Bluetooth – – Yes –
Terminal type – M8 M8 –
Weight lbs 60.85 55.23 59.52 59.50
Weight kg – – 27.00 –
Width in. 7.60 7.56 7.64 7.80
Length in. 15.16 15.16 15.12 15.16
Depth/Height in. 9.84 9.76 9.76 9.92
Housing material ABS – ABS plastic –
IP rating IP65 IP65 IP65 –
Warranty 5 Years – 5 Years –
Certifications summary – FCC, CE, RoHS, UN38.3 IEC, RoHS, CE, FCC, UN38.3 –
UN 38.3 tested – Yes Yes –
CE marked – Yes Yes –
Charging temp max ℉ – 122 – –
Charging temp max ℃ – 50 70 –
Cell balancing – Automatic – –
Recommended charge current A – 60 63 –
Cycle life (80% DoD) cycles – – 6,000 –

Prices from Amazon as of . Product prices and availability are accurate as of the date and 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 the product. As an Amazon Associate I earn from qualifying purchases.

Specifications last updated Nov 13, 2026.