When you’re looking for powerful, long-lasting energy storage, Group 24 lithium batteries are revolutionizing how we power everything from boats to RVs. These compact powerhouses deliver consistent performance while weighing significantly less than traditional lead-acid alternatives. Unlike conventional batteries, they maintain steady voltage throughout discharge and can be mounted in virtually any position.
In this article, you’ll discover why Group 24 lithium batteries have become the go-to choice for demanding applications. We’ll explore their impressive lifespan (often 5-10 times longer than lead-acid), faster charging capabilities, and maintenance-free operation. Before purchasing, you’ll also learn about key factors, including capacity ratings, charging requirements, and compatibility with your existing systems.
LiTime’s Group 24 Lithium Battery: What Is It?
LiTime’s Group 24 lithium battery represents a premium energy storage solution designed specifically for marine and RV applications. This battery delivers 100Ah capacity with a lightweight design—just 23.8 pounds compared to traditional lead-acid batteries, which typically weigh 45-65 pounds.
The battery features built-in Battery Management System (BMS) technology that protects against:
- Overcharging
- Over-discharging
- Short circuits
- Temperature extremes
LiTime’s Group 24 lithium battery uses lithium iron phosphate (LiFePO4) chemistry, which is known for its stability and safety profile. It maintains a steady 12.8V output through 95% of its discharge cycle, unlike lead-acid batteries, which experience voltage sag as they deplete.
Key specifications include:
Feature | Specification |
Capacity | 100Ah |
Voltage | 12.8V |
Weight | 23.8 lbs |
Cycle Life | 4000+ cycles |
Max Continuous Discharge | 100A |
Peak Discharge | 200A (3 seconds) |
The battery’s IP65 water-resistant case makes it perfect for boats and outdoor applications where moisture protection matters.

Design & Form Factor
Group 24 lithium batteries combine standardized dimensions with innovative design features that make them ideal for various applications. Their compact yet powerful form factor delivers exceptional performance while maintaining compatibility with existing mounting systems.
BCI Group 24 Size & Universal Fit
Group 24 lithium batteries follow specific dimensions established by the Battery Council International (BCI). These batteries measure approximately 10.25 inches in length, 6.81 inches in width, and 8.88 inches in height. This standardization creates a universal fit across different vehicles and equipment, allowing you to replace traditional lead-acid batteries with lithium alternatives easily. Your RV, boat, or industrial backup system’s battery compartment accommodates Group 24 batteries without requiring modifications or custom mounting solutions.
Energy Density & Weight Advantages
Group 24 lithium batteries offer significant energy density and weight advantages compared to traditional lead-acid batteries. These benefits translate directly to improved performance and convenience for various applications.
Enhanced Energy Density
LiFePO4 Group 24 lithium batteries pack impressive power into a standardized size. These batteries deliver up to 100Ah capacity within the compact BCI Group 24 dimensions (approximately 10.25″ × 6.75″ × 9.25″). Advanced lithium chemistry maximizes active materials while minimizing inactive components, producing more usable energy per volume than conventional batteries.
Lightweight Construction
Group 24 lithium batteries typically weigh 60-70% less than equivalent lead-acid alternatives. For example, a 100Ah Group 24 lithium battery weighs approximately 23-25 pounds, while a comparable lead-acid battery weighs 60-65 pounds. This dramatic weight reduction improves vehicle fuel efficiency, makes installation easier, and reduces strain on mounting hardware in marine applications.
Advanced Cell Technology
Group 24 lithium batteries incorporate cutting-edge technology that dramatically improves performance compared to traditional options. These advancements create more efficient, durable, and reliable power sources for marine vessels, RVs, and other applications.
Feature | Description |
EV Grade‑A LiFePO₄ Cells | Premium automotive-grade prismatic cells deliver exceptional stability and performance in demanding conditions. |
Longevity & Cycle Life | Advanced protection systems enable 4,000+ discharge cycles, ten times longer than lead-acid alternatives with consistent voltage. |
Intelligent Battery Management System (BMS)
The Battery Management System serves as the brain of Group 24 lithium batteries, monitoring and protecting your investment. This advanced electronic system regulates charging and discharging processes to maintain optimal battery health and performance.
100 A BMS Protection
Group 24 lithium batteries feature robust BMS protection that handles continuous discharge currents up to 100 amperes. This protection system prevents:
- Overcharging beyond safe voltage levels
- Over-discharging could damage cells
- Short circuit events through instant disconnection
- Temperature extremes with automatic shutdown
- Excessive current draw during high-demand situations
Smart Monitoring (Bluetooth Variant)
- Track precise battery state-of-charge percentages
- Monitor voltage and current flow
- View battery temperature in changing conditions
- Access charging history and performance data
- Receive instant alerts for potential issues
Scalability & System Integration
Group 24 lithium batteries excel in adaptability and seamless integration with existing systems. Their standardized dimensions and versatile performance characteristics make them ideal for various applications requiring reliable power storage.
Expandable Configurations
Group 24 lithium batteries offer exceptional scalability for diverse energy needs. You can connect multiple units in parallel to increase amp-hour capacity or in series to boost voltage output. The 12V 100Ah Group 24 battery from LiTime demonstrates this versatility—powering everything from small trolling motors to comprehensive off-grid systems. This flexibility lets you start with a single battery and expand your power system as requirements grow.
Flexible Installation Orientations
Group 24 lithium batteries provide installation freedom that lead-acid alternatives can’t match. You can mount these batteries in any position—upright, on their side, or even upside-down—without compromising performance or safety. This positioning flexibility proves invaluable in tight spaces like boat compartments or RV storage areas where conventional batteries might not fit properly. Their universal BCI Group 24 dimensions ensure they’ll fit existing battery trays without modifications.
Performance in Diverse Applications
Group 24 lithium batteries offer reliable performance with steady power output, lightweight design, and water-resistant casing, making them ideal for marine and RV use. They provide consistent energy for off-grid stays, are easy to install with standard dimensions, and outperform traditional lead-acid batteries in efficiency and durability.
Thermal Management & Cold‑Weather Operation
Group 24 lithium batteries face performance challenges in cold weather conditions. Temperature significantly impacts their capacity, charging efficiency, and overall functionality when temperatures drop.
Feature | Description |
Self‑Heating Technology | Built-in heating pads activate automatically in cold environments for optimal winter performance. |
Low‑Temperature Cut‑off Protection | Protective circuits prevent charging in extreme cold, extending battery life and ensuring safety. |
Installation & Maintenance
Tools and Equipment
Installing a Group 24 lithium battery requires specific tools to guarantee safety and optimal performance:
- Multimeter for checking voltage and verifying connections
- Screwdriver for securing the battery and connecting terminal wires
- Insulated wires with appropriate gauge for your system’s current requirements
- Heat shrink tubing and electrical tape to protect connections
- Spot welding kit or pre-tabbed cells for connecting LiFePO4 cells securely
These tools help you create reliable connections that maximize your battery’s performance and lifespan.
Wiring and Connections
Proper wiring plays a critical role in your Group 24 lithium battery setup:
- Connect positive and negative terminals correctly to your charge controller or inverter
- Use appropriate gauge wiring that matches your system’s amperage requirements
- Secure all connections to prevent loosening from vibration
- Apply heat shrink tubing over connection points to prevent shorts
- Double-check polarity before final connections to avoid system damage
Incorrect wiring can lead to poor battery performance, potential system damage, or dangerous short circuits.
Conclusion
Group 24 lithium batteries offer exceptional value for RVs, boats, and solar systems. With their standardized dimensions of approximately 10.25″ × 6.75″ × 9.25″, these powerful energy solutions deliver 75- 100Ah capacity while weighing 60-70% less than comparable lead-acid options.
Their advanced LiFePO4 chemistry maintains a steady 12.8V output across 95% of the discharge cycle, enhancing performance and efficiency. Built-in Battery Management Systems protect against overcharging and temperature extremes, providing worry-free operation.
Looking for reliable power? Group 24 lithium batteries deliver up to 4,000 cycles—ten times longer than traditional alternatives—and options like LiTime’s Bluetooth-enabled model let you monitor performance from your phone.