Renogy Core Mini 12.8V 300Ah LiFePO4 Lithium Battery – Ultra-Compact 3840Wh Deep-Cycle Battery with Low-Temp Protection

Renogy Core Mini 12.8V 300Ah LiFePO4 Lithium Battery

Power your off-grid adventures or home backup system with the ultimate lightweight powerhouse. The Renogy Core Mini 12.8V 300Ah Lithium Iron Phosphate (LiFePO4) Battery packs a massive 3840Wh of capacity into an ultra-compact design that’s 57% lighter and 31% smaller than standard alternatives.

Equipped with a smart built-in BMS and automatic low-temperature protection, it delivers worry-free, high-performance energy storage in any climate. You won’t find a lighter 12V 300Ah lithium battery anywhere — making it perfect for both travel and home use.

Key Features

• Massive 300Ah capacity with 3840Wh of usable energy
• Ultra-light at just 25 kg — 57% lighter than lead-acid counterparts
• Compact design — 31% smaller than other 12V 300Ah LiFePO4 batteries
• Grade-A prismatic LiFePO4 cells for 5000+ cycles at 80% DOD
• Smart built-in BMS with automatic low-temperature cut-off
• Low-temperature protection (charge <0°C, discharge <-20°C)
• Scalable up to 61.44kWh (Max 4P4S — 4 in series, 4 in parallel)
• Over a decade of reliable power
• 5-year warranty
• Certified by FCC, CE, ROHS, and UKCA

Why Choose the Renogy Core Mini 300Ah?

Traditional lead-acid batteries are heavy, bulky, and inefficient. The Core Mini condenses deep-cycle lithium power into an ultra-compact chassis that maximises your available storage space — significantly lighter and smaller than both lead-acid and competing lithium batteries. It’s the premier choice for RV enthusiasts, overlanders, marine operators, and home-backup users who demand maximum efficiency from minimal space.

• Ultralight, one-person-carry design
• 31% smaller footprint for easier installation
• Smart all-weather protection built in
• 5000+ cycles for a decade of reliable power

Technical Overview

Lighter Than Ever, Easier to Carry

At only 25 kg, this battery is easy for one person to carry — significantly lighter than its counterparts. The lightweight, compact design makes handling and installation hassle-free, while the 31% smaller footprint frees up valuable space for easier connections and tidier installs.

Built-in BMS with Low-Temperature Cut-Off

The built-in Battery Management System with low-temperature cut-off means you don’t have to hover around your lithium battery, manually shutting it down. It charges safely above 0°C and discharges down to -20°C, protecting the internal cells from cold-weather damage — so you can stay relaxed during winter travels while the battery handles itself.

Customisable, Scalable Power Setup

Customise your power setup to fit your needs. Connect up to four batteries in series, four in parallel, or a mix of both (Max 4P4S) to build a tailored power bank — scalable all the way up to a massive 61.44kWh for larger off-grid and backup systems.

Ideal Applications

• Caravans and RVs
• Camper vans and overlanding builds
• Marine and boating applications
• Off-grid solar systems
• Home emergency and backup power
• High-capacity inverter systems

Frequently Asked Questions

What is a 300Ah lithium battery used for?
A 300Ah lithium battery is used for high-capacity energy storage in solar systems, backup power, caravans, and off-grid applications. It can power large loads such as inverters, fridges, and essential household circuits for extended periods.

What does low-temperature protection do in a lithium battery?
Low-temperature protection prevents the battery from charging when temperatures are too low, protecting the internal cells from damage and ensuring safe, long-term performance.

How long will a 300Ah LiFePO4 battery last?
Depending on usage, this typically translates to 8 to 10 years or more of durable, long-term energy storage. This particular product is rated for 5000 cycles at 80% depth of discharge (DOD).

Choose the Renogy Core Mini 12.8V 300Ah LiFePO4 Battery for premium, deep-cycle lithium power in the lightest, most compact 300Ah footprint available — the space-saving choice for RVs, marine, solar, and home energy storage.