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12V 300AH Lithium Battery with Self-Heating & APP Monitoring, Deep Cycle Rechargeable LiFePO4 Battery, Low/High Temp Cut off, Built-in 200A BMS,Perfect for RV, Camping, Off-Grid Applications, etc.

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Availability: Only 2 left in stock, order soon!
Fulfilled by VATRER POWER

Arrives Saturday, Aug 1
Order within 5 hours and 59 minutes
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Size: 12V 300AH Heating


Features

  • Self-Heating FunctionAfter connecting the charger, if the charging current exceeds 10A, the BMS will begin monitoring the battery temperature. When the battery temperature drops below 32F (0C), the BMS will automatically activate the self-heating function, at which point the charging current will power the heating film inside the battery. Once the battery temperature rises back to 41F (5C), the BMS will immediately turn off the heating function and resume the normal charging process.
  • APP MonitoringAfter downloading the APP, users can monitor key battery parameters in real time, including capacity, voltage, current, power, battery error status, and temperature, providing a more comprehensive and intuitive understanding of the battery's operation.
  • BMS ProtectionThe protection functions of a Battery Management System (BMS) are primarily designed to ensure the safety, lifespan, and performance of the battery during charging and discharging. Common protection features include: overcharge protection, over-discharge protection, overcurrent protection, short-circuit protection, over-temperature protection, low-temperature protection, cell balancing, and overvoltage/undervoltage protection.
  • Wide Application Scenarios The 12V 300Ah lithium battery, with its large capacity and stable 12V DC output, is widely used in various applications requiring long-term power supply, including daily power needs in RVs, campervans, and boats for lighting, microwaves, refrigerators, etc. It is also suitable for off-grid solar systems and home backup power supplies, providing power to devices such as computers, televisions, and mobile phones via an inverter, providing users with continuous and stable power support.
  • 3 Charging Methods12V 300Ah lithium battery can be charged using a 14.6V lithium charger, solar power, or a generator. If you use our 14.6V 70A lithium battery charger, it will take approximately 4.3 hours to fully charge the battery. If you use solar charging (with a power output of 800W or more), it will take approximately 4.8 hours to fully charge the battery.
  • Important Note Not suitable for use as a starting battery or golf cart battery.

Number of Batteries: 1 Lithium Ion batteries required.


Brand: VATRER POWER


Battery Cell Composition: Lithium-Phosphate


Voltage: 12.8 Volts


Model Name: 12V 300AH with Self-Heating & APP Monitoring


Number of Batteries: 1 Lithium Ion batteries required.


Brand: VATRER POWER


Model Number: LM12300-2


Model Name: 12V 300AH with Self-Heating & APP Monitoring


Manufacturer: VATRER POWER


Built-In Media: 12V 300AH LiFePO4 Lithium Battery with Self-Heating & APP Monitoring


Warranty Description: Please refer to the official website.


Item Type Name: 12V 300AH Lithium Battery


Voltage: 12.8 Volts


Battery Weight: 58.42 Pounds


Item Dimensions: 20.47 x 10.59 x 8.66 inches


Item Weight: 58.42 Pounds


Battery Cell Type: Lithium-Phosphate


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Aug 1

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Direct swap of lead acid 100 amp battery
Size: 12V 300AH Heating
Direct swap out of my factory acid battery with factory solar panel Added Yamaha generator at purchase and this battery is able to provide energy amperage to start the generator Very happy so far Only complaint is the BMS battery app is pretty basic and I would like more information at my finger tips ... show more
Reviewed in the United States on March 31, 2026 by Amazon Customer

  • Quality
Size: 12V 300AH Heating
Fantastic battery. Works great and I like having the ability to see what my amp hours are on the app. After using this battery, I’m changing my review to 5 stars. Totally worth the money.
Reviewed in the United States on March 14, 2026 by Craig T Ryerse

  • Quality product at reasonable price
Size: 12V 300AH Heating
As expected…
Reviewed in the United States on March 22, 2026 by JenStephen11

  • Worth it
Size: 12V 300AH Heating
I purchased four of them, and they work well.
Reviewed in the United States on March 15, 2026 by Victoria V Guajardo

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