Best 12V Lithium Batteries for Trolling Motors: Top 9 Picks (November 2026)
The best 12V lithium batteries for trolling motors include the BtrPower 12V 50Ah Trolling Motor LiFePO4 Battery for most 30–50 lb trolling motors, the ECO-WORTHY Portable 12V Lithium Battery for small kayaks and portable gear, and the Litime 12V 165Ah LiFePO4 Lithium Battery for maximum 12V runtime.
On this page (8 sections)
- How we chose the best 12V lithium batteries for trolling motors
- Best 12V lithium battery for trolling motor use
- How much capacity does a 12V trolling motor battery need?
- Is a 12V lithium battery lighter than a lead-acid battery?
- How should you install and care for a lithium trolling motor battery?
- Are lithium batteries safe to take on a plane?
- What is the environmental impact of lithium batteries?
- Final verdict: which 12V lithium trolling motor battery should you choose?
The best 12v lithium battery for trolling motor use is the BtrPower 12V 50Ah Trolling Motor LiFePO4 Battery for most 30–50 lb motors. It weighs 11 lb, provides 50Ah of storage and uses a built-in 50A BMS.
Choose a 100Ah battery for longer trips, or a 20Ah model when a kayak setup needs less weight.
A 12V lithium trolling motor battery must match more than the motor's voltage. If your motor uses 24V, compare 24V trolling motor batteries.
You also need enough stored energy for the trip, a BMS that fits the motor's sustained current, a case that fits your battery space and a charger made for LiFePO4 chemistry.
If you're new to this battery type, start with our guide to what is a deep cycle battery. For a wider comparison, see the best deep cycle battery for trolling motor options.
Our picks at a glance
-
1
Best for most 30–50 lb trolling motorsBtrPower 12V 50Ah Trolling Motor LiFePO4 Battery
9.3/10 our score
See it on Amazon -
2
Best for small kayaks and portable gearECO-WORTHY Portable 12V Lithium Battery
9.2/10 our score
See it on Amazon -
3
Best for maximum 12V runtimeLitime 12V 165Ah LiFePO4 Lithium Battery
9.1/10 our score
See it on Amazon
- 4
Check itLiTime 12V 50Ah Trolling Motors LiFePO4 Lithium
Best for thrust monitoring - 5
Check itVEMDIA 12V 100Ah LiFePO4 Lithium Battery Group
Best for Group 31 compartments - 6
Check itRedodo 12V 100Ah Group 24 LiFePO4 Lithium
Best for Bluetooth Group 24 setups - 7
Check itDC HOUSE 12V 100Ah Bluetooth LiFePO4 Trolling
Best for app-based fault monitoring - 8
Check itGRNOE 2 Pack 12V 100Ah LiFePO4 Batteries
Best for expandable battery banks - 9
Check itGOLDENMATE 12V 20Ah LiFePO4 Lithium Battery
Best for compact fish finders and kayaks
How we chose the best 12V lithium batteries for trolling motors
The best 12V lithium battery for trolling motor use balances capacity, sustained current, weight and physical fit. We compared the stated amp-hour capacity, BMS rating, discharge information, dimensions, weight, low-temperature protection and expansion options.
The score weighs specs, features and buyer feedback against what you're shopping for.
Capacity matters because amp hours describe the amount of stored energy available over time. A 20Ah battery is easier to carry, but a 100Ah battery can support a longer outing when the motor and speed setting use similar current.
The BMS is also important. It can protect against conditions such as overcharge, over-discharge, over-current and short circuits.
Some models add low-temperature charging cut-off, Bluetooth monitoring or app fault displays.
For more 12V comparisons, read our guide to the best lithium battery for trolling motor. If your boat has limited battery room, the best small trolling motor battery guide focuses on compact options.
| Product | Best for | Capacity | Weight | Voltage | Our score |
|---|---|---|---|---|---|
| BtrPower 12V 50Ah Trolling Motor LiFePO4 Battery | most 30–50 lb trolling motors | 50Ah | 11 lb | 12.8V | 9.3 |
| ECO-WORTHY Portable 12V Lithium Battery | small kayaks and portable gear | 20Ah | 5.4 lb | 12.8V | 9.2 |
| Litime 12V 165Ah LiFePO4 Lithium Battery | maximum 12V runtime | 165Ah | 32.2 lb | 12.8V | 9.1 |
| LiTime 12V 50Ah Trolling Motors LiFePO4 Lithium | thrust monitoring | 50Ah | 11.3 lb | 12.8V | 9.0 |
| VEMDIA 12V 100Ah LiFePO4 Lithium Battery Group | Group 31 compartments | 100Ah | 12.8V | 8.8 | |
| Redodo 12V 100Ah Group 24 LiFePO4 Lithium | Bluetooth Group 24 setups | 100Ah | 22.2 lb | 12.8V | 8.7 |
| DC HOUSE 12V 100Ah Bluetooth LiFePO4 Trolling | app-based fault monitoring | 100Ah | 12.8V | 8.3 | |
| GRNOE 2 Pack 12V 100Ah LiFePO4 Batteries | expandable battery banks | 100Ah each | 12.8V each | 8.0 | |
| GOLDENMATE 12V 20Ah LiFePO4 Lithium Battery | compact fish finders and kayaks | 20Ah | 5.95 lb | 12.8V | 7.6 |
Best 12V lithium battery for trolling motor use
The top pick is the BtrPower because it gives a useful middle point between portable weight, 50Ah capacity and a 50A BMS. The other products are stronger choices when your main need is very low weight, maximum 12V capacity, Bluetooth monitoring or battery-bank expansion.
BtrPower 12V 50Ah Trolling Motor LiFePO4 Battery: Best for most 30–50 lb trolling motors
- 50Ah capacity
- 11 lb weight
- 50A BMS
- 5000+ deep cycles
The 50Ah capacity, 11 lb weight and 50A BMS make this a balanced choice for many 30–50 lb trolling motors. It can also expand in series or parallel with up to 4 identical batteries.
Pros
- Lightweight
- 50A BMS
- 5000+ deep cycles
Cons
- Less capacity than 100Ah and 165Ah options
BtrPower is the most balanced choice for a 30–50 lb trolling motor. Its 50Ah capacity gives you more stored energy than the 20Ah options, while the 11 lb weight keeps carrying and installation manageable.
The built-in 50A BMS protects against overcharge, over-discharge, over-current and short circuits. BtrPower also states that the battery can reach 5000+ deep cycles.
The battery can connect in series or parallel with up to 4 identical batteries. For simpler hookups, compare trolling motor battery quick connectors.
It supports lithium charging or solar panel charging, with a stated charger output of 14.4–14.6V and recommended current of 10A or less.
Its dimensions are 5.5 x 9 x 8.3 in, and the included components are the battery and an M8 terminal. Choose it when your motor falls within the stated 30–50 lb range and you want a practical single-battery setup.
ECO-WORTHY Portable 12V Lithium Battery: Best for small kayaks and portable gear
- 20Ah capacity
- 5.4 lb weight
- Bluetooth 5.1
- Low-temperature charging protection
This compact 20Ah battery weighs 5.4 lb and includes Bluetooth 5.1 monitoring. It suits small kayaks, fish finders and lighter portable setups where weight matters most.
Pros
- Small and light
- Bluetooth monitoring
- Low-temperature cut-off
Cons
- 20Ah capacity limits runtime
The ECO-WORTHY is the easiest option to carry when a small boat or kayak cannot spare much weight. Its 20Ah capacity and 5.4 lb weight make it better suited to short trips, small kayaks, fish finders and other lighter power needs than long high-draw outings.
Bluetooth 5.1 lets you check voltage, current and capacity from a phone before you leave the dock. That quick check can help you plan a shorter run with more confidence.
The battery also has a 20A BMS and low-temperature protection that stops charging below 20°F and discharge below -4°F. It then resumes when conditions reach 32°F, which matters for early cold weather use.
The battery measures 8.70 x 4.45 x 4.61 in and includes a 5.5 x 2.5 mm DC port. The DC port should stay within its 5A limit, and the 5.5 x 2.5 mm adapter wiring is not included.
That compact shape suits a small stern, a kayak hatch or a portable tote for camping gear. It also means you should sort the cable and adapter plan before the launch day.
Pick it when portability matters more than runtime. For a larger trolling motor, the 20Ah capacity may require a shorter trip or more careful speed planning.
Litime 12V 165Ah LiFePO4 Lithium Battery: Best for maximum 12V runtime
- 165Ah capacity
- 32.2 lb weight
- Bluetooth 5.0
- IP65 protection
The 165Ah capacity is the largest single-battery option here, making it the strongest fit for long days on the water. Its 32.2 lb weight needs more room and handling effort.
Pros
- Largest capacity
- Bluetooth monitoring
- Low-temperature protection
Cons
- Heavier and larger than smaller options
The Litime 165Ah battery is the strongest choice for maximum stored energy in one 12V unit. Its 165Ah capacity suits long marine, RV or trolling motor use when the battery compartment and carrying plan can handle a 32.2 lb battery.
Bluetooth 5.0 provides battery monitoring and discharge control from a phone. That can make mid-trip checks simpler than opening a battery box on the water.
The battery includes low-temperature protection that cuts off charging below 32°F and discharge below -4°F. Litime also describes the battery as IP65 waterproof and salt-fog resistant for harsher marine settings.
Its dimensions are 13 x 6.77 x 8.5 in. The package includes the battery, manual, 2 flat washers, 2 insulation caps and 2 M8 terminal bolts.
Plan the lift and the tray space first, since this is the largest single unit in this group. A lower speed setting will stretch the stored energy further across a long day.
This battery is for energy storage, not starting batteries, golf carts or jacks. Choose it when runtime is the priority and you can confirm that the size, weight and motor system are suitable.
LiTime 12V 50Ah Trolling Motors LiFePO4 Lithium: Best for thrust monitoring
- 50Ah capacity
- 11.3 lb weight
- 60A continuous discharge for 30 minutes
- Bluetooth 5.0
This 50Ah battery combines an 11.3 lb weight with a stated 60A continuous discharge rate for 30 minutes. Bluetooth monitoring adds a way to check battery status from a phone.
Pros
- 60A continuous discharge for 30 minutes
- Bluetooth
- Low-temperature cut-off
Cons
- 50Ah capacity is smaller than the 100Ah choices
The LiTime 50Ah battery stands out for its stated current handling. It weighs 11.3 lb and supports a 1.2C, or 60A, continuous discharge for 30 minutes.
That stated period gives this model a clear use case for motors that need a stronger short-term output. It does not mean the same output should be expected for a full day at top speed.
Bluetooth 5.0 connects to the LiTime app for battery status. The 50A BMS protects against overcharging, over-discharging, over-current and short circuits, and the battery includes low-temperature charging cut-off.
It measures 7.68 x 6.54 x 6.77 in and includes the battery, manual, 2 insulating caps and 2 M8 terminal bolts. LiTime identifies it for boats, kayaks, marine use, RVs and trolling motors.
Keep the terminals covered with the supplied caps when the battery is out of use. That small step helps protect the posts in a damp bilge or storage locker.
Choose it when you want a 50Ah battery with a stated 60A continuous discharge period. Its capacity is still lower than the 100Ah and 165Ah picks, so trip length remains the main trade-off.
VEMDIA 12V 100Ah LiFePO4 Lithium Battery Group: Best for Group 31 compartments
- 100Ah capacity
- 24 lb weight
- 100A BMS
- Group 31 dimensions
The 100Ah capacity and Group 31 dimensions suit larger battery compartments. Its 100A BMS and low-temperature charging cut-off add useful protection for marine and RV use.
Pros
- 100Ah capacity
- 100A BMS
- Group 31 fit
Cons
- Larger than 20Ah and 50Ah batteries
The VEMDIA is a good fit when your boat or RV uses a Group 31 battery compartment. Its 100Ah capacity gives you twice the stored capacity of a 50Ah battery, while its stated weight is 24 lb.
The 100A smart BMS protects against overcharge, over-discharge, over-current and short circuits. It also includes automatic low-temperature charging cut-off below 32°F.
The battery measures 12.9 x 6.6 x 8.5 in and has a 12.8V rating. Its stated compatible uses include trolling motors, marine systems, RVs and solar energy storage.
That Group 31 format is the main reason to pick this model over a smaller case. It can drop into a compartment already shaped for that size without a custom battery box.
Choose it when a Group 31 format and 100Ah capacity fit your setup. Confirm the compartment dimensions before ordering, especially if the battery box has a tight lid or limited cable space.
Redodo 12V 100Ah Group 24 LiFePO4 Lithium: Best for Bluetooth Group 24 setups
- 100Ah capacity
- 22.2 lb weight
- Bluetooth 5.0
- Group 24 size
This Group 24 battery offers 100Ah capacity at 22.2 lb, with Bluetooth monitoring and low-temperature protection. It is a practical middle ground for boats, RVs and trolling motors.
Pros
- 100Ah capacity
- Bluetooth monitoring
- Group 24 format
Cons
- Requires a dedicated lithium charger
The Redodo provides a 100Ah capacity in a Group 24 format with Bluetooth monitoring. At 22.2 lb, it is lighter than the VEMDIA while offering the same stated amp-hour capacity.
Bluetooth 5.0 lets you read voltage, current, power and capacity from a phone within 10 meters. That range is fine for a check at the helm or from the dock.
The BMS also includes low-temperature cut-off, waterproof protection and salt-spray and corrosion protection. Those features suit a boat that sees spray and damp storage between trips.
Its dimensions are 6.61 x 10.24 x 8.27 in. Redodo states that the battery can expand to 4 batteries in series and 4 in parallel for larger systems.
The battery is not intended for car starting, and Redodo recommends charging it with a dedicated lithium iron phosphate charger before use. Choose it when Group 24 sizing and phone monitoring matter.
DC HOUSE 12V 100Ah Bluetooth LiFePO4 Trolling: Best for app-based fault monitoring
- 100Ah capacity
- Bluetooth 5.1
- 100A BMS
- Low-temperature cut-off
The DC HOUSE battery combines 100Ah capacity with Bluetooth 5.1 and app fault displays. Its dimensions are close to Group 24 size, but it is about 0.32 in taller than the standard.
Pros
- Bluetooth fault display
- 100Ah capacity
- 100A BMS
Cons
- Not designed for starting or cranking
The DC HOUSE suits buyers who want app-based monitoring and fault information from a 100Ah battery. Bluetooth 5.1 connects to the DC HOUSE app, where you can view state of charge, voltage, current and cell-level data.
A fault display page can help you spot a problem sooner than a simple voltage check. Push notifications for detected anomalies also add a useful warning layer.
Its 100A BMS includes low-temperature protection. Charging stops below 19.4°F, discharge stops below -4°F and the battery automatically recovers when the temperature rises to 32°F.
The battery measures 6.6 x 10.2 x 9.2 in and weighs 23.8 lb. Its dimensions are close to Group 24 size, but it is about 0.32 in taller than the standard Group 24 specification.
DC HOUSE states that the battery can connect in series or parallel with matching batteries, up to 4 in series or 4 in parallel, with a maximum of 8 batteries total. It is not designed as a starting or cranking battery.
GRNOE 2 Pack 12V 100Ah LiFePO4 Batteries: Best for expandable battery banks
- 2 batteries included
- 100Ah per battery
- 21.9 lb each
- 4S4P expansion
This two-battery set is aimed at buyers who need more than one 12V unit from the start. Each battery weighs 21.9 lb and supports expansion with matching batteries.
Pros
- Two batteries included
- 100Ah per battery
- 4S4P expansion
Cons
- A pair needs more installation space
The GRNOE 2 Pack is the best fit when you already know that one 12V battery will not be enough. Each battery provides 100Ah at 12.8V, and each weighs 21.9 lb.
The pair gives you a ready starting point for a larger bank at home, on a boat or in an RV. Two units also make it easier to split the load across a system.
Each battery has a 100A BMS and supports 4S4P expansion. The pair can be used for marine systems, trolling motors, RVs, solar setups and off-grid projects.
The batteries fit BCI Group 24 battery boxes and measure 10.24 x 6.61 x 8.23 in. The package includes 2 batteries and 4 M6 terminal bolts, but it does not include a charger.
Use a 14.6V LiFePO4 activation charger rather than a 12V, automotive or lead-acid charger. When connecting batteries, use matching models and ages, fully charge each one individually and keep the voltage difference within the stated limit.
GOLDENMATE 12V 20Ah LiFePO4 Lithium Battery: Best for compact fish finders and kayaks
- 20Ah capacity
- 5.95 lb weight
- IP67 waterproof rating
- 20A BMS
The 20Ah GOLDENMATE weighs 5.95 lb and has an IP67 waterproof rating. It fits compact uses such as fish finders, kayaks and small outdoor power systems.
Pros
- Lightweight
- IP67 waterproof rating
- 5000+ cycles
Cons
- 20Ah capacity is limited for larger motors
The GOLDENMATE is a compact choice for a fish finder, kayak or other small 12V load. Its 20Ah capacity and 5.95 lb weight keep it easy to carry, while the IP67 waterproof rating adds protection for outdoor use.
The built-in 20A BMS protects against overcharging, over-discharging, over-current and short circuits. GOLDENMATE states that the battery supports more than 5000 cycles and can connect with matching batteries in series or parallel.
The battery measures 2.99 x 7.13 x 6.61 in and supports continuous discharge up to 10A. It can be recharged with a compatible LiFePO4 charger, an MPPT solar panel system or a generator, with a maximum charge current of 10A.
That 10A limit shapes the best uses for this battery. A fish finder, lights or a small kayak motor fit the brief better than a large high-draw motor.
Choose it for compact equipment and short outings. A larger trolling motor or longer trip needs more than this 20Ah capacity can provide.
How much capacity does a 12V trolling motor battery need?
A 20Ah battery is aimed at compact setups, while 50Ah is a practical middle range and 100Ah or more suits longer trips. The right capacity depends on motor current, speed setting, time on the water and how much reserve you want.
A simple planning method is to compare the motor's expected amp draw with the battery's amp-hour rating. A motor drawing 20A continuously from a 50Ah battery has a different runtime demand than one drawing 40A, and real use changes as speed and load change.
Do not choose only by amp hours. Confirm that the battery's BMS and discharge rating can support the motor's sustained current, and check the physical fit before connecting the terminals.
Is a 12V lithium battery lighter than a lead-acid battery?
The products here are designed to reduce carrying weight compared with many lead-acid setups, with listed weights from 5.4 lb to 32.2 lb. The lightest choices are the ECO-WORTHY 20Ah and GOLDENMATE 20Ah batteries.
Weight matters on kayaks and small boats because the battery is part of the total load. A lighter battery can help trim, balance and portage, while a heavier one needs a firmer place in the hull.
A heavier 100Ah or 165Ah battery may still be the better choice if you need longer runtime and have enough storage space. More stored energy often matters more than saved pounds once the boat is in the water.
Capacity and weight tend to move together in this group. The 20Ah options are the easiest to move, the 50Ah options sit in the middle, and the 100Ah and 165Ah options ask for more room and a stronger lift plan.
Check where the battery will sit before you buy. A battery that fits the tray and keeps the boat level will serve you better than a lighter unit that slides or crowds the cables.
For kayak-specific sizing, compare the best trolling motor battery for kayak options before choosing a capacity.
Also think about how you will carry the battery from the car to the water. A 5.4 lb unit is a one-hand carry, while a 32.2 lb unit is a two-hand lift for many people.
If you paddle or row between motor runs, the lighter battery leaves more energy for your own effort. That balance can matter on short fishing trips.
For a larger boat, the weight saving is still useful, but it is less likely to change the handling of the hull. In that case, runtime and fit usually deserve more attention.
The right answer depends on the size of the boat and the length of the trip. Short and light, or long and heavy, are both sensible choices when they match the plan.
How should you install and care for a lithium trolling motor battery?
Install the battery in a dry, secure location with the terminals protected from accidental contact. Check the cable size, terminal fit, polarity and motor voltage before connecting the battery.
Use a LiFePO4-compatible charger and follow the battery's stated charging limits. Low-temperature cut-off helps protect some batteries, but it is still wise to avoid charging in conditions outside the battery's stated range.
For storage, keep the battery protected from direct sunlight and moisture. Some products recommend periodic charging during long storage, while the GRNOE guidance says to charge at least once every 2–3 months when unused.
Don't use these deep-cycle batteries as engine-starting batteries unless the specific product is designed for that purpose. The Litime, Redodo, DC HOUSE and GRNOE products specifically state limits against starting or cranking use.
Are lithium batteries safe to take on a plane?
A loose lithium battery can be subject to airline and transportation rules based on its watt-hour rating, packaging and whether it is installed in equipment. A 12V battery for a trolling motor is not automatically acceptable as carry-on or checked baggage.
Rules can change by airline, by country and by the route you are flying. The same battery that is fine in a car boot may not be fine in an aircraft hold.
Read our guide, Is It Safe to Fly with a Lithium Battery Power Station?, for the broader travel questions. That guide helps explain why installation, packaging and terminal protection matter.
For a boat battery, road transport and safe terminal protection are usually more relevant than air travel. Most trolling motor batteries are bought for use near home waters, not for a flight.
When you drive with a battery, keep it secured upright and protect the terminals from contact. A battery box, a strap or a snug tray can stop it moving in a sudden stop.
Check the airline rules in writing before you pack for a trip. Do not rely on a general rule from a friend or an old forum post.
If the battery will be installed in equipment, ask whether that changes the handling. Installed and loose batteries are often treated in different ways.
For most buyers, the practical choice is to leave a large trolling motor battery at the destination or ship it by ground. That avoids a last-minute refusal at check-in.
Keep the charger and the battery paperwork with the battery when you travel by road. It makes the setup easier to explain if you are asked about it.
Air travel should be the exception for this type of battery, not the default plan.
What is the environmental impact of lithium batteries?
Lithium batteries can reduce replacement frequency when they deliver many charge cycles, but mining, manufacturing and end-of-life handling still matter. A long service life does not remove the need for responsible recycling.
The benefit is real when one battery does the work of several replacements over time. Fewer replacements can mean fewer batteries made, shipped and thrown away.
Our guide to What Is Environmental Impact Of Lithium Batteries? explains the main trade-offs. It covers the parts of the life cycle that buyers often miss.
Keep used batteries out of household trash and check local battery recycling guidance. A battery that has reached the end of its useful life still needs a proper collection route.
Store a spent battery with its terminals protected until you can hand it over. That lowers the risk of damage during transport to a recycler.
Choosing a battery that fits your actual use can also help the environment. A battery that lasts for years in the right job is better than one that is pushed too hard or left unused.
Recycling does not make battery use impact-free, but it is a clear step in the right direction. The goal is to get more useful service from each battery and keep it out of landfill.
For trolling motor batteries, that means sizing the battery for the trip and caring for it well. Good care can extend service life and delay replacement.
The environmental case depends on real use, not just the chemistry name. A long-lived battery that is recycled properly is a strong option.
Final verdict: which 12V lithium trolling motor battery should you choose?
Choose the BtrPower 12V 50Ah if you need the best all-around match for a 30–50 lb trolling motor, a manageable 11 lb weight and a 50A BMS. Pick the ECO-WORTHY 20Ah for a small kayak or short trip where every pound matters.
Choose the Litime 165Ah for the most stored energy in one 12V battery. Pick the VEMDIA or Redodo 100Ah when you need longer runtime, and select the GRNOE 2 Pack when you are building a larger bank from the beginning.
If phone monitoring is a priority, the Redodo, LiTime, Litime and DC HOUSE options give you a way to check status from a phone. The DC HOUSE stands out for cell-level data and fault information.
If your battery box already fits a Group 31 or Group 24 size, match that format first. A battery that fits the box and the cables will be easier to install and safer to use.
For a small kayak or fish finder, the 20Ah ECO-WORTHY and GOLDENMATE are the lighter picks. Their smaller capacity is the trade-off you accept for easier carrying.
The best 12v lithium battery for trolling motor use is the one that matches your motor's sustained current, trip length, compartment size and charging system. Confirm those four points before ordering.
Our top 3 picks at a glance
-
1
Best for most 30–50 lb trolling motorsBtrPower 12V 50Ah Trolling Motor LiFePO4 Battery
9.3/10 our score
See it on Amazon -
2
Best for small kayaks and portable gearECO-WORTHY Portable 12V Lithium Battery
9.2/10 our score
See it on Amazon -
3
Best for maximum 12V runtimeLitime 12V 165Ah LiFePO4 Lithium Battery
9.1/10 our score
See it on Amazon
Frequently asked questions
What is the best 12V lithium battery for a trolling motor?
The BtrPower 12V 50Ah Trolling Motor LiFePO4 Battery is the best 12V lithium battery for trolling motor use for most 30–50 lb motors. It weighs 11 lb, has a 50A BMS and supports 5000+ deep cycles.
Choose a 100Ah or 165Ah option when longer runtime matters more than compact size.
How many amp hours do I need for a 12V trolling motor?
A 20Ah battery suits small, short trips and portable electronics, while 50Ah is a balanced starting point for many 30–50 lb motors. A 100Ah or 165Ah battery gives you more stored energy for longer outings.
Your motor's sustained current draw, speed setting and trip length determine the final size.
Are lithium batteries good for trolling motors?
Yes. LiFePO4 batteries are useful for trolling motors because they provide rechargeable deep-cycle storage with less weight than many lead-acid alternatives.
The products here range from 5.4 lb to 32.2 lb.
Choose a battery with enough capacity and a BMS suited to the motor's current needs.
Can a 12V lithium battery run a 24V trolling motor?
One 12V battery cannot supply a 24V trolling motor by itself. Some batteries here can connect in series, but use matching batteries and follow the battery maker's connection and charging guidance.
For a ready 24V plan, compare our guide to the best 24V trolling motor battery.
How should I charge a 12V lithium trolling motor battery?
Use a charger designed for LiFePO4 batteries and follow the battery's stated voltage and current limits. Several options here include low-temperature charging protection, but that does not replace correct charger selection.
Disconnect the charger when the battery reaches its intended full state and inspect terminals before use.
About this guide: Our look at 12V lithium batteries for trolling motors draws on maker specs, materials and what owners report. See how we research.



