Description
The Expion360 Group 27 120Ah Lithium Battery is a premium extreme-density LiFePO4 deep cycle battery engineered for high-demand RV, marine, overland, van build, and off-grid power systems. Designed to deliver maximum capacity in a compact Group 27 footprint, this 12.8-volt lithium battery offers outstanding efficiency, durability, and long-term reliability.
Featuring 120Ah capacity (approximately 1536Wh) and 99% energy efficiency, this battery utilizes UL1642-recognized 4.0Ah stainless-steel encased cylindrical cells to deliver more power with minimal added size or weight. An integrated Battery Management System (BMS) provides advanced protection against over-charge, over-discharge, short circuit, and temperature extremes.
The battery is housed in a premium fiberglass-reinforced ABS plastic case with IP66 moisture protection, making it well suited for harsh marine and outdoor environments. Designed and engineered in the USA, the Expion360 extreme-density battery meets UL1973 compliance standards for safety and performance.
Manufacturer Part Number: EX-G27-120-XD
Key Specifications
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Manufacturer: Expion360
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Manufacturer Part Number: EX-G27-120-XD
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Product Type: Lithium Deep Cycle Battery
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Battery Chemistry: Lithium Iron Phosphate (LiFePO4)
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Application: RV / Marine / Off-Grid / Overland
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Voltage: 12.8 Volts DC
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Capacity: 120 Amp Hours
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Energy Efficiency: 99%
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BCI Group Size: Group 27
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Terminal Type: M8 Threaded Stud (Top Terminal)
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Charge Temperature Range: 32°F to 140°F
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Moisture Protection: IP66
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Length: 11.93 Inches
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Width: 6.81 Inches
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Height: 8.82 Inches
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Battery Housing: Fiberglass-Reinforced ABS Plastic
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Marine Rated: Yes
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Universality: Fully Universal
Features & Benefits
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Extreme-density LiFePO4 lithium chemistry for maximum power in minimal space
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120Ah high-capacity output ideal for energy-intensive applications
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Long cycle life with fast charging capability
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Integrated Battery Management System (BMS) for safety and reliability
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UL1973 compliant with UL1642-recognized Grade A cells
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IP66 moisture resistance for marine and outdoor use
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Maintenance-free operation with low self-discharge
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Oversized terminal pads for secure, high-current connections
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360-degree mounting capability with optional tie-down accessories
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Designed and engineered in the USA
Additional Information
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Non-Returnable Item
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Limited 12-Year Manufacturer Warranty
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