12V 300Ah Core Deep Cycle Lithium Battery Mini Series
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12V 300Ah Core Deep Cycle Lithium Battery Mini Series

  • Ultra-Lightweight 12V 300Ah Lithium Battery
    Weighing just 55.1 lbs, this LiFePO4 battery is 57% lighter than traditional 12V 200Ah lead-acid batteries—perfect for RVs, off-grid cabins, and mobile solar applications.
  • Advanced Low-Temperature Protection
    Integrated BMS safeguards charging below 0°C and discharging below -20°C, ensuring reliable performance in cold-weather environments without risk to battery health.
  • Space-Saving, Compact Design
    Engineered for tight spaces, this battery is 31% smaller than comparable 12V 300Ah LiFePO4 batteries—ideal for van conversions, marine systems, and solar storage.
  • Grade-A LiFePO4 Cells with 5000+ Deep Cycles
    Built with premium prismatic LiFePO4 cells, offering 5000+ cycles at 80% DOD, delivering long-lasting, stable power with enhanced safety and thermal efficiency.
  • Expandable Energy Storage up to 61.44kWh
    Delivers 3840Wh of capacity and supports 4P4S configuration for up to 61.44kWh scalable energy, making it perfect for large off-grid systems and backup power.
  • Certified Safety & Warranty Protection
    Backed by a 5-year warranty and certified by FCC, CE, RoHS, UKCA, and more—ensuring full regulatory compliance and peace of mind.

£647.98

Description

High Capacity. Light weight. Mini Sized.

You won’t find a lighter 12V 300Ah Lithium Battery anywhere. With its ultralightweight, compact design, and low-temperature cut-off, this battery is perfect for both travel and home use.

Lighter Than Ever, Easier to Carry.

At only 55.1 lb/25 kg, this battery is easy for one person to carry. That’s 9 lb/4 kg lighter than its counterparts! Its lightweight, compact design makes handling and installation hassle-free.

Space-Saving Design

31% Smaller Than Its Counterparts

This battery’s compact and sleek design saves space, provides more room for easier connections and maintenance. and fits in various battery boxes, including 8D and 4D sizes.

Simplified Power

Simple. Powerful. Hassle-free.

One 12v 300Ah Battery is three times more powerful than the old three-battery setup. Two simple cable connections saves time, money, and stress. Plus, one battery eliminates cell imbalance issues.

Cold Weather Charging Protection

The built-in BMS with low-temperature cut-off means you don’t have to monitor your lithium battery, manually shutting it down. Stay relaxed and cozy during winter travels while your battery handles itself, letting you focus on the adventure.

Motorhome

Power Your RV Adventure

Two batteries provide 7680Wh of power. That’s enough to run your fridge, microwave, coffee maker, and A/C unit for 24hrs+

Boat

Power Your Marine Adventure

Two batteries provides 7680Wh of power. That’s enough to run your navigation, heating, lighting, and onboard essentials for 24hrs+

Up to 61.44kWh to Power any Adventure

Customize your power setup to fit your needs. Connect four batteries in series, four in parallel, or a mix of both to create a tailored power backup.

Specifications

Core Mini – 12.8V 300Ah Lithium Iron Phosphate Battery
Electrical Specifications Electrical Specifications
Rated Capacity (0.5C, 25°C) 300Ah Nominal Voltage 12.8V
Energy 3840Wh Cycle Life (80% DOD) 5000 Cycles (0.5C @ 25°C)
Charge Voltage 10V to 14.8V Max Charge Current 150A (Continuous)
Max Discharge Current 200A (Continuous) Peak Discharge Current 380A @ 10s
Charge Temp Range 32°F to 140°F (0°C to 60°C) Discharge Temp Range -4°F to 149°F (-20°C to 65°C)
Storage Temp Range -4°F to 140°F (-20°C to 60°C) Relative Humidity 5% to 95%
Protection Rating IP65 Terminal Bolt Size M8 × 1.25 × 12 mm & M8 × 1.25 × 16 mm
Mechanical Specifications Certifications & Warranty
Dimensions (L x W x H) 384 x 194 x 253 mm / 15.12 x 7.64 x 9.96 in Weight 25.0 kg / 55.1 lbs
Certifications MSDS, UN38.3, FCC, CE, PSE, RCM, RoHS, UKCA
Warranty 5-Year Material Warranty