Core 12V 300Ah LiFePO4 Battery for All-Weather Living with Self-Heating.

Meet Renogy 12V 300Ah Core Series Battery, your trusted, one-stop solution for upgrading from Lead to Lithium. Compatible with Renogy's solar panels, solar charge controllers, and inverters, this battery delivers a seamless upgrade experience without any compatibility issues.

With a 200W self-heating function, the 12V 300Ah Core LiFePO4 Battery delivers rapid 2x faster heat once temperatures drop to 32℉ (0℃), ensuring a continuous power supply even in the harshest cold weather.

Off-grid living can be challenging, but the Renogy 12V 300Ah Core Battery offers a true 200A battery management system (BMS), low-temp cut-off (for charging), and IP65 protection, giving you the confidence to tackle any obstacles.

Whether you are planning an upgrade from old lead-acid batteries, or starting to build your first-ever off-grid power system, the Renogy 12V 300Ah Core LiFePO4 Battery is your go-to option to get your project done right in an easier & faster way.

300Ah Core vs. Lead-acid

Upgrade to lithium for next-level performance.

300Ah Core vs. Other LiFePO4

Unparalleled performance to meet your most demanding energy needs.

More Power, More Possibilities.

The Renogy 12V 300Ah Core delivers 59% more power than a 200Ah LiFePO4 battery of the same size. Get the extra capacity you need to weather unexpected storms, hurricanes, wildfires, and other challenges whenever they come your way.

Powerful to the Core.

With consistent power lasting nearly 10 times longer than a typical lead-acid battery, the Renogy 12V 300Ah Core LiFePO4 Battery is built with EV-grade cells for lasting performance.

Extra Warmth. Extended Runtime.

With the industry’s highest 200W heating elements, the 12V 300Ah LiFePO4 Battery heats up 2X faster than other heated batteries. Ensure a stable charge current greater than 10A for each battery to activate the self-heating function.

Protections Against Bumps.

We know the journey can be a bumpy one. That’s why the battery is designed with rugged structural elements to protect components from shocks and impacts along the way.

Connect in Parallel

Connect in Series

Connect in Series-Parallel

Power Your Journey Longer

Whether you’re a weekend adventurer or a full-time nomad, Renogy Core 300Ah LiFePO4 batteries provide easy power access on the road. Connect 4 batteries in parallel to power essential RV appliances for up to 5.5 days, offering days of off-grid power for added comfort.

Power Your Cabin Getaway

Experience uninterrupted power in your cabin retreat with our 12V 300Ah Core Batteries. Connect 4 batteries in series to power the devices in your cabin, including air conditioning, refrigerators, and more, for up to 4.5 days. Spend less time on maintenance and more time enjoying the comforts of your cabin getaway.

Uncompromising modern convenience on the waves

You're just a step away from transforming your fishing boat into a haven of modern comfort. Renogy 12V 300Ah Core batteries can be connected in 4P4S—16 batteries in series and parallel—to power the devices on your boat for up to 5 days.

Dimensional Reference Guide

Before installation, ensure you leave 1.97-3.94 inches (50-100 mm) above the battery and at least 7.87 inches (200 mm) of clearance on the side with busbars for proper setup.

What's in the box

The Renogy Difference

Going solar doesn’t have to be complicated. Renogy is here to help you build your system quickly so you can explore further..

10+ Years' Expertise in Off-Grid Power Solutions

Local Warehouses in the UK

5-year prorated material and workmanship warranty

24-Hour Prompt Response

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Package Includes

12V 300Ah Lithium Iron Phosphate Battery

Core - 12V 300Ah Lithium Iron Phosphate Battery x1
Long Terminal Bolts x 2
Insulating Sleeve x 2
User Manual x 1

1. I have 4 Renogy 100W 12V solar panels. Will these work with this LiFePO4 battery, or is that too much wattage?

Yes, your 4 Renogy 100W 12V solar panels will work with the LiFePO4 battery. However, make sure that your solar charge controller can handle the total wattage output from the panels. Never connect solar panels directly to the battery without using a solar charge controller to protect both the battery and the panels. Contact us if you need help sizing the solar charge controller for your system.

2. Can this battery be used in series to build a 48-volt system?

Yes, Renogy 12V Core Series Batteries can be connected in series to increase the voltage to 24V, 36V, or 48V for an off-grid power system. For maximum power output, you can first wire the batteries in series, then connect the sets of batteries in parallel (using the same model of batteries) to achieve up to 40.96kWh.

3. How many Renogy 12V 300Ah Core Series Batteries can I connect at most?

You can connect up to 4 Renogy 12V 300Ah Core Series Batteries in series, up to 4 batteries in parallel, or up to 16 in a series-parallel connection. Ensure all batteries are the same model and capacity for proper performance.

4. How long will the Renogy Core Series Lithium Iron Phosphate Battery last?

Renogy 12V 300Ah Core Series Batteries can last up to 5000 cycles with an 80% depth of discharge (DOD). These batteries are designed with a 200A Battery Management System (BMS), IP65 protection, and a rugged structure, providing durable and reliable performance for years to come.

5. Can I pair a Bluetooth Module for this battery to monitor the battery status on my phone?

No, this battery is not compatible with a Bluetooth module. However, you can use a 500A Battery Monitor with Shunt (sold separately) to keep track of the battery status and ensure optimal operation.

6. How do I recharge my LiFePO4 batteries?

You can recharge your LiFePO4 batteries using solar power, a DC-DC battery charger, or an AC-DC charger. We recommend using a solar charge controller/charger that is specifically designed to be compatible with lithium iron phosphate batteries for safe and efficient charging.

More questions about your off-grid power system? Learn more from Renogy Learning Center!

Core LiFePO4 Series

Core Mini - 12V 300Ah LiFePO4 Battery w/ Low-Temperature Protection

Core Mini - 12V 100Ah LiFePO4 Battery w/ Low-Temperature Protection

DuoHeat Tech - Core Mini 12V 100Ah Lithium Iron Phosphate Battery

12V 300Ah Core Series Deep Cycle Lithium Iron Phosphate Battery w/Self-Heating New Version

Core Mini - 12V 200Ah LiFePO4 Battery w/ Low-Temperature Protection