24V Lithium Battery

A 24V system delivers power at twice the voltage of a 12V system, which cuts amperage in half for the same wattage — reducing wire size, minimizing voltage drop over long runs, and improving efficiency for higher-power applications like large trolling motors and inverter-based systems. LiFePO4 24V batteries deliver this voltage at a fraction of the weight of lead-acid, with several times the cycle life and full usable capacity.

24V lithium batteries are available in a range of amp-hour (Ah) capacities — commonly 50Ah, 100Ah, and 200Ah — plus heated models for cold-weather operation, Bluetooth-monitored models, and high-output models built for large trolling motors and high-draw applications. Most 24V LiFePO4 batteries include an integrated battery management system (BMS) that protects against overcharge, over-discharge, short circuit, and thermal events, and many are series- and parallel-connectable to build 48V banks or larger 24V capacity. A 24V battery can also be built from two 12V batteries connected in series.

The Trade Table carries 24V lithium batteries from Dakota Lithium and additional LiFePO4 brands — covering deep-cycle, trolling motor, marine, RV, solar, and off-grid applications in capacities from compact units through 200Ah, with the BMS protection, cold-weather options, and connectivity features that match the application.

24V Lithium Battery | LiFePO4 Deep Cycle Batteries for Trolling Motors, Marine, Solar & Off-Grid

A 24V lithium battery uses lithium iron phosphate (LiFePO4) chemistry — the safest and longest-lived lithium chemistry for deep-cycle applications — to deliver a stable 24-volt output with dramatic advantages over the lead-acid batteries it replaces. The defining benefit of a 24V system over 12V is efficiency at higher power: because power equals volts times amps, doubling the voltage to 24V halves the current needed for the same wattage. Lower current means smaller, less expensive wiring, less voltage drop over long cable runs, less heat, and better performance for high-draw applications. This is why large trolling motors, bigger inverters, and many off-grid systems are built around 24V rather than 12V.

24V lithium batteries are sized by amp-hour (Ah) capacity, which determines stored energy. A 100Ah 24V lithium battery stores roughly 2,560 watt-hours of usable energy — twice the energy of a 100Ah 12V battery at the same amp-hour rating, because the voltage is doubled. Smaller 50Ah batteries suit lighter loads and compact spaces, while 100Ah and 200Ah batteries serve large trolling motors, off-grid systems, and high-draw applications. Because LiFePO4 batteries safely use their full rated capacity, a 24V lithium battery delivers roughly twice the usable energy of a 24V lead-acid bank, which can only safely use about half its rating.

For trolling motor applications, 24V lithium batteries are the standard for mid-size and large trolling motors (55lb thrust and up), delivering the steady voltage that keeps the motor running at full thrust throughout the day rather than slowing as a lead-acid battery sags. A single 24V lithium battery replaces two 12V lead-acid batteries wired in series, cutting weight dramatically and freeing space in the boat. For marine applications more broadly, 24V lithium batteries power trolling motors, electronics, and house loads at a fraction of the weight of lead-acid — meaningful on a boat where weight affects performance and fuel economy.

For RV and van applications, 24V lithium batteries support larger inverter-based electrical systems where the higher voltage improves efficiency, dropping into systems designed for 24V and integrating with 24V-configured converters and solar charge controllers. For off-grid and solar applications, 24V lithium batteries store solar energy efficiently, reduce wiring costs through lower current, and connect in series and parallel to build larger 24V banks or higher-voltage 48V systems common in whole-home off-grid installations.

24V lithium batteries with cold-weather (heated) construction include internal heating elements that allow safe charging below freezing — important because standard LiFePO4 batteries should not be charged below 32°F. Bluetooth-equipped models report state of charge, voltage, and health to a smartphone app. A 24V battery can be purchased as a single 24V unit or built from two 12V batteries connected in series, though a purpose-built 24V battery with a single integrated BMS is simpler and often more reliable than a series pair.

24V Lithium Battery Options

• 50Ah 24V LiFePO4 batteries for lighter loads and compact spaces
• 100Ah 24V LiFePO4 batteries for trolling motors and off-grid systems
• 200Ah 24V LiFePO4 batteries for large banks and high-draw applications
• Heated 24V lithium batteries for safe below-freezing charging
• Bluetooth-monitored 24V lithium batteries with app reporting
• High-output 24V lithium batteries for large trolling motors
• Series- and parallel-connectable models for 48V banks and larger capacity
• Single-unit 24V batteries with one integrated BMS
• Integrated BMS protection against overcharge, over-discharge, and short circuit
• Dakota Lithium and additional LiFePO4 brand options

Benefits of 24V Lithium Batteries

• 24V efficiency halves current for the same power vs 12V
• Smaller wiring, less voltage drop, and less heat than 12V systems
• Roughly one-third the weight of equivalent lead-acid batteries
• Thousands of charge cycles — outlasts 3-5 lead-acid replacements
• Full usable capacity (vs ~50% safely usable on lead-acid)
• Flat discharge curve holds steady voltage as the battery drains
• A single 24V battery replaces two series-wired 12V lead-acid batteries
• Integrated BMS protects against overcharge, over-discharge, and short circuit
• Heated models allow safe charging below freezing
• Bluetooth models report charge, voltage, and health to a smartphone
• Series and parallel connection for 48V banks and larger systems
• No maintenance (no watering, no equalizing)

Common Uses for 24V Lithium Batteries

• Mid-size and large trolling motors (55lb thrust and up)
• Marine house power and electronics on 24V systems
• Solar energy storage and off-grid power systems
• RV and van electrical systems built around 24V
• Inverter-based systems requiring higher voltage efficiency
• Building 48V banks through series connection
• Overlanding and off-road auxiliary power
• Industrial and equipment power at 24V
• Backup power for 24V loads and systems
• Replacing two series-wired 12V batteries with a single unit
• Off-grid cabins and remote power installations
• High-draw applications where 12V wiring becomes impractical

Why Buy 24V Lithium Batteries from The Trade Table?

The Trade Table helps customers select the right 24V lithium battery based on application (trolling motor, marine, solar, off-grid, RV), capacity needs (the amp-hours required to run target loads for the desired runtime), trolling motor thrust rating, cold-weather requirements (heated models for below-freezing charging), connectivity (Bluetooth monitoring), and whether the battery needs to connect in series or parallel for 48V banks or larger capacity. Our team provides guidance on sizing capacity to the load, confirming charger and charge-controller compatibility with 24V lithium chemistry, specifying heated models for cold climates, deciding between a single 24V unit and a series pair of 12V batteries, and matching batteries to trolling motor, marine, and off-grid applications. We carry 24V lithium batteries from Dakota Lithium and additional LiFePO4 brands with full manufacturer warranty coverage.

24V Lithium Battery FAQs

What is a 24V lithium battery?

A 24V lithium battery is a lithium iron phosphate (LiFePO4) deep-cycle battery that delivers 24 volts of power as a drop-in replacement for lead-acid, AGM, and gel batteries. Compared to lead-acid, a 24V lithium battery weighs about a third as much, lasts thousands of cycles instead of a few hundred, safely delivers its full rated capacity instead of about half, and holds steady voltage as it discharges. The 24V format delivers power at twice the voltage of a 12V system, which halves the current for the same wattage — reducing wire size, voltage drop, and heat. 24V lithium batteries are common in large trolling motors, inverter systems, solar, and off-grid power.

What's the difference between a 12V and 24V lithium battery?

The difference is voltage and how it affects the system. A 24V battery delivers twice the voltage of a 12V battery, which means it draws half the current for the same power output (watts). Lower current allows smaller, less expensive wiring, reduces voltage drop over long cable runs, generates less heat, and improves efficiency — advantages that matter most in higher-power applications. A 12V system is simpler and works for most RV house banks, smaller trolling motors, and basic 12V loads. A 24V system is preferred for large trolling motors (55lb thrust and up), bigger inverters, and off-grid systems where the efficiency of higher voltage outweighs the simplicity of 12V. You can also create 24V by wiring two 12V batteries in series.

Can I use two 12V batteries to make 24V?

Yes — connecting two identical 12V batteries in series creates a 24V system (the voltages add: 12V + 12V = 24V, while the amp-hour capacity stays the same). This is a common way to build a 24V trolling motor or off-grid system. However, a purpose-built single 24V lithium battery with one integrated BMS is often simpler and more reliable than a series pair, because the single battery manages all its cells under one BMS rather than relying on two separate BMS units to stay balanced. If wiring 12V batteries in series, use identical batteries (same brand, capacity, and age), confirm both are rated for series connection, and follow the manufacturer's guidance. For a clean install with the least complexity, a single 24V battery is usually the better choice.

What size 24V lithium battery do I need for a trolling motor?

For a 24V trolling motor, size the battery by how long you want to run and the motor's amp draw. A 24V trolling motor's maximum amp draw is listed in its specs (often 40-60A at full throttle for mid-size to large motors). To estimate runtime, divide the battery's amp-hour rating by the average amp draw — a 100Ah 24V battery running a motor that averages 25A delivers roughly 4 hours at that draw, and longer at lower speeds since you rarely run at full throttle all day. Most anglers choose 100Ah for a full day of typical fishing on a 24V trolling motor, stepping up to higher capacity for tournament-length days or constant high-thrust use. The Trade Table helps match capacity to your specific motor and fishing style.

How do I charge a 24V lithium battery?

A 24V LiFePO4 battery charges with a 24V lithium-compatible charger set to the LiFePO4 charge profile, which uses the correct voltage (typically around 28.4–29.2V for charging a 24V battery) and a constant-current/constant-voltage method. For trolling motor use, a 24V onboard marine charger configured for lithium is common; for solar, the charge controller must be set to 24V and a lithium profile; for standalone charging, a dedicated 24V lithium battery charger is used. Do not charge a 24V battery with a 12V charger — the voltage is wrong. Important: standard LiFePO4 batteries should not be charged below freezing (32°F) unless they are heated models with internal warming.

Can you connect 24V lithium batteries in series or parallel?

Most 24V LiFePO4 batteries can connect in parallel (to increase capacity at 24V) or in series (to increase voltage to 48V), as long as the manufacturer rates the specific model for it. Connecting two 24V batteries in series creates a 48V system, common in larger solar and off-grid installations. Connecting in parallel keeps the voltage at 24V while adding amp-hours together — two 100Ah 24V batteries in parallel make a 200Ah 24V bank. Always confirm the battery is rated for series/parallel connection, use identical batteries (same brand, capacity, and age) in a bank, and follow the manufacturer's BMS and configuration guidance, since some batteries have series/parallel limits based on their BMS.

Do 24V lithium batteries work in cold weather?

24V LiFePO4 batteries discharge fine in cold weather, but standard models should not be charged below freezing (32°F), as charging a cold lithium battery can damage the cells. For cold climates, heated 24V lithium batteries include internal heating elements that warm the cells to a safe temperature before accepting a charge, allowing safe operation in freezing conditions — important for early-season and late-season fishing, winter off-grid systems, and cold-region use. If you charge the battery (from an onboard charger, solar, or alternator) in below-freezing conditions, choose a heated model. For discharge-only cold use or applications where charging happens in warmer conditions, standard models work.

How long do 24V lithium batteries last?

Quality 24V LiFePO4 batteries last thousands of charge cycles — commonly rated for several thousand cycles at typical depth of discharge, translating to roughly 10+ years of normal use, far outlasting the few hundred cycles of lead-acid. Actual lifespan depends on depth of discharge per cycle, charge and discharge rates, operating temperature, and proper charging. LiFePO4 chemistry also has very low self-discharge, so batteries hold their charge for long periods in storage, and the integrated BMS protects the battery from conditions that shorten lithium battery life. Over its lifespan, a single 24V lithium battery commonly outlasts three to five lead-acid replacements, which is central to its lower cost-per-cycle despite higher upfront price.