What are the dimensions and weight?

Dimensions: 10.24" L x 6.81" W x 8.59" H. Weight: 24.0 lbs (10.9 kg). Group Size: It is built to the standard Group 24 size footprint.

12V 80Ah LiFePO4 Lithium Battery – Group 24

Name: 12V 80Ah LiFePO4 Lithium Battery – Group 24 | Expion360
Brand: Expion360
SKU: EX-G24-80C
Price: 809.0 USD
Availability: InStock

Expion360 12V 80Ah LiFePO4 Battery – Group 24

Maximize your power without changing your footprint. The Expion360 Group 24 80Ah LiFePO4 Battery fits 33% more energy into the standard Group 24 case than our 60Ah model, making it the perfect upgrade for space-constrained RVs and marine applications.

Built with our reliable UL1642 recognized 3.4Ah cylindrical cells, this battery delivers 80 Amp-Hours of deep-cycle power while weighing just 24.0 lbs. It features a fully sealed IP66 waterproof enclosure and is engineered to meet UL1973 compliance. To ensure superior performance, we utilize oversized brass terminals that maximize electrical connectivity and reduce heat buildup for enhanced safety. Backed by a 12-Year Warranty, it is the ideal drop-in replacement for those who need extra runtime in a compact size.

Best For:

RV house battery systems
Overland and off-grid vehicles
Marine and boat power systems
Backup power and mobile work setups
Off-grid cabins and remote installations

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Pairs well with

Maximum Density Group 24 Upgrade Get 33% more power in the same box. This 80Ah model utilizes the exact same Group 24 footprint (10.24" x 6.81") as standard batteries but packs significantly more energy than the 60Ah version. It is the ultimate upgrade for trolling motors and small camper setups where every amp-hour counts but space is non-negotiable.
Lightweight Powerhouse (24 lbs) Replace heavy lead-acid batteries with ease. At only 24 lbs, this battery is roughly half the weight of a traditional AGM battery of similar physical size, yet provides nearly double the usable capacity. This weight savings is crucial for small boats and lightweight overland trailers.
IP66 Rated for Marine & Outdoor Use Designed to survive the splash. The IP66-rated casing ensures protection against high-pressure water jets and dust, making it a reliable choice for open fishing boats, kayaks, and exposed battery trays on travel trailers.
Integrated Mounting System Secure your power without the hassle. The battery features Expion360’s signature integrated mounting feet, allowing for a rock-solid installation directly to the floor or deck without the need for cumbersome battery boxes or straps.
12-Year Warranty & UL Safety Power you can trust. Backed by an industry-leading 12-Year Warranty and fully UL1973 compliant, this battery utilizes UL1642 recognized cylindrical cells to ensure long-term safety and performance in the most demanding conditions.

Technical Specifications

Nominal Voltage	12.8V
Capacity	80Ah
Weight	24.0 lbs (10.9 kg)
Dimensions	10.24" L x 6.81" W x 8.59" H (260mm x 173mm x 218mm)
Charge Voltage	14.4V - 14.6V
Terminals	Oversized Brass
Communication	None (Internal BMS)

Product Spec Sheet and User Manual

User Manual

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Product Spec Sheet

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Advanced LiFePO4 Lithium Chemistry for Unmatched Longevity

Experience the pinnacle of energy storage with our high-grade LiFePO4 (Lithium Iron Phosphate) chemistry. Unlike traditional lead-acid batteries that fail after a few hundred cycles, the Expion360 e360 series is engineered for long cycle life, providing over 3,000 to 5,000 cycles at deep depths of discharge. Utilizing robust stainless steel encased 26650 cylindrical cells, this battery offers superior thermal stability and structural integrity, ensuring your power investment lasts for a decade or more of adventure.

Learn More

OEM-Ready Design for Scalable Power Systems

Whether you are a DIY enthusiast or a professional upfitter, our OEM-ready design offers the ultimate flexibility for scalable power systems. Featuring standard BCI group sizing for a direct drop-in fit and integrated CAN Bus communication, these batteries are built to grow with your needs. Seamlessly network multiple units in series or parallel to power heavy-duty inverters and sophisticated off-grid electronics, making it the preferred choice for high-end van builds and marine power grids.

Scalable Solutions

Group 24 - 12V 80Ah LiFePO4 Lithium Battery – Features

80Ah High-Density Capacity

Power without the bulk. This unit packs 80 Amp-Hours of usable energy into the standard Group 24 case size. It provides a significant runtime upgrade over standard 60Ah lithium or lead-acid batteries without requiring you to modify your battery compartment.

Advanced Battery Management System (BMS)

The intelligent BMS acts as the brain of the battery, actively monitoring cell health 24/7. It provides fail-safe protection against overcharging, deep discharging, short circuits, and excessive currents, ensuring your battery operates safely for its entire 12-year warranty lifespan.

UL1973 Compliant Design

Engineered for safety. We use UL1642 recognized stainless steel cylindrical cells and a robust BMS to ensure the entire battery meets UL1973 compliance standards. This guarantees protection against thermal runaway, short circuits, and over-voltage events.

12-Year Warranty

Invest with confidence. Backed by an industry-leading 12-year warranty, this LiFePO4 battery is built to provide reliable power for thousands of cycles, far outlasting traditional lead-acid options.

Oversized Brass Terminals

Engineered for maximum conductivity and mechanical strength, our oversized brass terminals provide a robust, low-resistance connection. This design minimizes heat buildup during high-current draws and ensures reliable power delivery for demanding electrical systems.

Moisture Protection

Built to withstand the elements, this battery features a rugged, sealed enclosure with an IP66 rating. This superior protection against high-pressure water spray, dust, and humidity makes it the ideal choice for marine vessels and wet overland environments.

Group 24 80Ah LiFePO4 Lithium Battery Technical Specifications

Battery Chemistry	LiFePO4 (Lithium Iron Phosphate)
Nominal Capacity	80 Ah
Nominal Voltage	12.8 V
Group Size	Group 24
Dimensions	10.24" L x 6.81" W x 8.59" H (260mm x 173mm x 218mm)
Weight	24.0 lbs (10.9 kg)
Communication	N/A (Standard Model)
Moisture Rating	IP66 (Water Jet & Dust Resistant)
Cell Type	UL1642 Recognized 3.4Ah Cylindrical Cells
Safety Compliance	UL1973 Compliant, UL1642 Recognized Cells
Mounting	Integrated Mounting System
Warranty	12 Years

FAQs

Technical Specifications

This is a 12V battery with a capacity of 80 Amp-hours (Ah)

Dimensions: 10.24" L x 6.81" W x 8.59" H.
Weight: 24.0 lbs (10.9 kg).
Group Size: It is built to the standard Group 24 size footprint.

The battery utilizes 3.4Ah UL1642 recognized stainless steel encased 26650 cylindrical cells. These are designed for high density and structural durability.

Durability & Safety

Yes, it has an IP66 moisture protection rating. This protects it against powerful water jets and heavy seas, as well as dust ingress

Yes. The entire battery is UL1973 compliant, and the individual cells are UL1642 recognized, ensuring it meets rigorous safety standards.

Expion360 offers an industry-leading 12-year warranty on this battery.

Usage & Features

It is optimized for overland vehicles, van builds, marine vessels, and off-grid homes, where reliable power in demanding environments is required.

Yes, it comes equipped with oversized brass terminals to ensure a strong, low-resistance connection for your electrical system.

The battery features an Integrated Mounting System designed to keep it securely in place, which is compatible with Expion360's mounting kits.

12V 80Ah LiFePO4 Lithium Battery – Group 24 | Expion360