12V 300Ah (314Ah) LiFePO4 Battery Built-in 200A BMS, 4019Wh 4000+ Cycles 300Ah Lithium Rechargeable Battery for RV, Solar, Off-Grid, Home Energy Storage
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Product details
| Management number | 219900640 | Release Date | 2026/05/03 | List Price | $147.98 | Model Number | 219900640 | ||
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- 【Massive 314Ah Capacity & 4.01kWh Energy】Dumfume 12V 314Ah LiFePO4 battery delivers a solid 4.01kWh of energy, outperforming standard 300Ah models. Built with premium LiFePO4 cells, it provides reliable power for extended use, supporting over 4,000 deep cycles at 100% DOD—equivalent to more than 10 years of service and significantly longer lifespan than traditional lead-acid batteries.Please note that our batteries are not suitable for use as a starting power source!
- 【Built-in 200A BMS with Full Protection】Dumfume 12V 314AH lithium batteries Equipped with an advanced 200A Battery Management System, Dumfume 12V battery ensures complete safety with protection against overcharge, over-discharge, over-current, and short circuits. The robust BMS enables a continuous 2560W power output, capable of running high-wattage devices like microwaves and electric kettles with stability and reliability.
- 【Compact & Lightweight Design】Measuring 15.16"×7.59"×9.84" and weighing only 57.28 lbs, DUMFUME 12.8V 300Ah (314Ah) LiFePO4 battery battery offers exceptional energy density in a space-saving form. Its compact size and lightweight construction make it an ideal drop-in replacement for RVs, solar power systems, and home energy storage where space optimization and easy installation are key.
- 【Long Cycle Life & Cost-Effective Performance】Experience outstanding value with 12v 300ah lithium rv battery battery's extended service life. Utilizing automotive-grade LiFePO4 cells, it maintains stable performance through thousands of cycles, delivering consistent power while reducing long-term costs and replacement frequency compared to lead-acid alternatives.voltage and current may vary by 1%-5%. To prevent damage, perform a charge/discharge every 6 months during storage.
- 【Flexible Expansion & Wide Applications】Supporting up to 4S4P configurations, DUMFUME 300ah（314ah） Rechargeable Lithium Iron Phosphate Battery allows you to create custom power systems up to 48V for expanded capacity and voltage needs. Perfect for RV power, solar energy storage, home backup systems, and various off-grid applications, providing versatile energy solutions for diverse power requirements.
- Battery performance requires temperatures of 5°C or higher. Please verify suitability before purchase. Return shipping for low-temperature charging issues is not covered.
| Brand | dumfume |
|---|---|
| Voltage | 12.8 Volts |
| Model Name | 1 PCS 12.8V 314AH |
| Item Weight | 25.98 Kilograms |
| Manufacturer | dumfume |
| Model Number | 1 PCS 12.8V 314AH |
| Battery Weight | 27.6 Kilograms |
| Battery Capacity | 314 Amp Hours |
| Battery Cell Type | Lithium-Phosphate |
| Number of Batteries | 1 12V batteries required. |
| Warranty Description | 5 Year |
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