WattCycle 12V 100Ah TM Bluetooth LiFePO4 Battery with 120A BMS surge protection for 30-70lbs Trolling Motors
WattCycle 12V 100Ah TM Bluetooth LiFePO4 Battery with 120A BMS surge protection for 30-70lbs Trolling Motors - 1 Pack is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
Frequently Asked Questions
Frequently Asked Questions
Q1: What applications is this battery best suited for?
Our 12V 100Ah LiFePO4 Trolling Motor Battery is optimized for trolling motor use in fishing boats, electric kayaks, and leisure vessels, and it also works well for RVs, camping, and off-grid systems.
Q2: Can I use this battery for electric outboard motors?
The WattCycle 12V 100Ah LiFePO4 Trolling Motor Battery is optimized for trolling motor applications and may not meet the higher surge current requirements of electric outboard motors. For electric outboard applications, we recommend a battery specifically designed for those demands to ensure optimal performance and safety.
Q3: How can I monitor my battery’s performance?
With integrated Bluetooth 5.0 connectivity and real-time status monitoring, you can easily track voltage, charge levels, and overall health via our dedicated mobile app. Please reading WattCycle detailed Bluetooth Guide.
Q4: How should I prepare the battery for first use?
We recommend charging the battery fully with a compatible LiFePO4 charger before its initial use and maintaining a 30%–50% charge for long-term storage to ensure optimal performance.
Q5: Can this battery be used to start my car or boat engine?
No, this battery is designed for energy storage and trolling motor applications, not for cranking engines. For starting applications, please consider our dedicated marine cranking and dual-purpose batteries.
Q6: How does the battery's BMS overcurrent protection work?
Our advanced BMS continuously monitors the current flow and instantly disconnects power if it detects an overload, ensuring that neither the battery nor your devices are exposed to harmful currents.This proactive overcurrent protection automatically resets once safe conditions resume, maintaining optimal performance and extending the battery’s lifespan.
User Manual
User Manual
Shipping Service
Shipping Service
Destinations:
- We only ship orders toContinental
- Currently we DO NOT ship to Alaska, Hawaii, and Puerto Rico.
Shipping Fee:
- FREE shipping on all orders
- Shipping method: UPS Ground
Shipping time:
The time frame of an order delivery is divided into two parts:
- Processing time: 1-2 business days
- Shipping time: 2-5 business days
- The shipping will delay for some objective or uncontrolled reasons. We will notice our customer ahead for delays.
Tracking Your Order:
- Once your order ships, you will receive a confirmation email with a tracking number. You can use this tracking number to track the progress of your shipment on the carrier's website.
Warranty Policy
Warranty Policy
WattCycle Warranty Policy
Thank you for choosing WattCycle. This warranty policy applies to all products purchased through official WattCycle channels and authorized distributors. Please read this policy carefully before installation and use.
I. Warranty Commitment
WattCycle warrants to the original consumer that under normal use conditions, products shall be free from defects in material and workmanship from the date of original purchase.
1. Warranty Period
|
Product Category |
Specific Model/Series |
Base Warranty |
Extended Warranty (with Registration) |
|
LiFePO4 Batteries |
All new battery models |
5 years |
2 years (7 years total) |
|
Like-New Products |
All like-new models |
1 year |
— |
|
Battery Cells |
All models |
No warranty |
— |
|
Accessories |
Chargers, inverters, controllers, wiring cables, etc. |
1 year |
— |
Note: Extended warranty must be activated through product registration on the official WattCycle website within 3 months of purchase.
2. Warranty Period Calculation
- The warranty period begins from the original consumer’s purchase date.
- Valid proof of purchase (order screenshot, invoice, etc.) is required to establish the purchase date.
- Repaired or replaced products do not extend the original warranty period, which remains based on the original purchase date.
II. Warranty Claim Process and Fees
1. Claim Process
- Step 1: Contact WattCycle Customer Service (service@wattcycle.com), describe the issue, and provide proof of purchase.
- Step 2: Our technical team will contact you within 24-48 hours to assist with troubleshooting.
- Step 3: Once the issue is confirmed as a quality defect, customer service will provide a Return Merchandise Authorization (RMA) number and return instructions.
2. Fee Responsibility Rules
|
Scenario |
Resolution |
Shipping Responsibility |
Notes |
|
Quality issue (within 6 months) |
Free replacement/refund |
WattCycle covers shipping costs |
Requires quality defect confirmation, valid proof of purchase, within warranty period. |
|
Quality issue (after 6 months, within warranty) |
Free replacement |
WattCycle covers shipping costs |
Requires quality defect confirmation, valid proof of purchase, within warranty period. |
|
Personal reason (return within 30 days) |
Return for refund |
Customer bears return shipping |
Original packaging intact, product in good condition. Warehouse restocking fees will be charged. |
|
Personal reason (return after 30 days) |
Return for refund |
Customer bears two-way shipping |
Warehouse restocking fees and depreciation fees will be charged. |
|
Wrong item shipped / Missing item / Transit damage |
Free replacement |
WattCycle covers shipping costs |
/ |
|
Order cancellation (before shipment) |
Refund |
No shipping charges incurred |
/ |
|
Over 6 months (non-quality issues) |
Returns not accepted |
/ |
/ |
3. Refund Policy
- Refunds are applicable only for quality issues reported within 6 months of purchase. Quality issues identified after 6 months will be resolved through product replacement.
- The refund amount will be calculated after final verification, deducting any applicable fees, and returned via the original payment method.
- Refunds will be processed via the original payment method within 3-5 business days after receipt and inspection of the returned product.
III. Warranty Exclusions (Limitations of Liability)
This warranty does not apply to damage or malfunction caused by:
1. Accidents and Force Majeure
- Accidents, abuse, misuse, or negligence
- Natural disasters such as fire, flood, lightning, earthquakes, extreme temperatures
2. Improper Use and Installation
- Failure to follow installation, operation, or maintenance instructions in the product manual
- Voltage/current mismatch, reverse polarity connection
- Use of incorrect fuses or undersized cables
- Series or parallel connections exceeding permissible limits (e.g., systems exceeding 48V)
- Mixing with other battery brands
3. Unauthorized Modifications or Repairs
- Any disassembly, modification, or repair by unauthorized personnel
- Altered, damaged, or removed serial numbers
4. Normal Wear and Tear and Commercial Use
- Cosmetic wear or scratches from normal use.
- Natural capacity degradation over time (normal aging).
- Use exceeding the product’s designed cycle life or technical specifications.
5. Long-Term Inactivity
- Damage resulting from failure to perform periodic charging maintenance for over one (1) year.
6. Other
- Inability to provide valid proof of purchase.
- Products that have been fully refunded through other means.
IV. Final Provisions
- WattCycle reserves the right of final interpretation of this warranty policy.
- This policy may be revised periodically. All changes will be published on our official website.
Contact Information:
📧 Official Customer Service Email: service@wattcycle.com
🌐 Official Website: www.wattcycle.com
Youtube Reviews
Youtube Reviews
WattCycle 12V 100Ah TM Bluetooth LiFePO4 Battery with 120A BMS surg...
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Perfect for All Your Trolling Motor Needs
Choose and click your brand to find the best trolling motor battery for you.
WattCycle 12V 100Ah LiFePO4 Trolling Motor Battery
WattCycle is honored to be the official gold sponsor of American Bass Anglers (ABA), marking three consecutive years of successful partnership.
This collaboration underscores our commitment to supporting America's premier bass fishing community with innovative marine energy solutions.
How to Choose the Version
| Version |  |
 |
| Size | 10.2 x 6.6 x 8.2 inch | 13.94 × 6.93 × 7.36 inches |
| Weight | 23.15 lbs | 24.25 lbs |
| Nominal Voltage | 12.8V | 12.8V |
| Energy | 1280Wh | 1280Wh |
| BMS | 12.8V 120A | 12.8V 200A |
| Waterproof | IP67 | IP67 |
| Bluetooth | Yes | Yes |
| Battery Type | Deep cycle lithium battery | Dual purpose marine cranking battery |
| Application | ●long, steady energy output ●repeated deep discharges ●powering trolling motor and boat device | ●high cranking current ●starting battery design ●engine ignition support |
Unmatched Marine Performance
Experience unmatched marine performance with WattCycle's 12V 100Ah Trolling Motor LiFePO4 deep cycle battery, engineered for superior power and reliability. It consistently delivers robust energy to keep your marine adventures smooth and uninterrupted.
Premium Deep Cycle Design
This premium marine deep cycle battery is designed for fishing boats, electric kayaks, and leisure vessels, ensuring a consistent energy supply in every adventure. Its robust design meets the rigorous demands of the marine environment, making it perfect for both casual outings and professional use.
Smart Connectivity
The integrated smart real-time status monitor and Bluetooth 5.0 connectivity allow effortless control and monitoring directly from your smartphone. Enjoy immediate access to vital battery metrics that enhance your overall marine experience. With built-in GPS and seamless compatibility with Android and iOS, you stay informed and connected at all times. The intuitive mobile interface makes it simple to track performance and optimize battery usage on the go.
EV Grade A+ Cells ＆ Rugged Waterproof Construction
Crafted with EV grade A+ LiFePO4 cells, it delivers exceptional durability with 6000 deep cycles at 100% DOD (depth of discharge), 15000 deep cycles at 60% DOD, Even if you use it every day, it is equivalent to using it for 10+ years. With an IP67 waterproof rating, this battery is resistant to water, dust, and salt spray, making it ideal for harsh marine environments. Its rugged construction guarantees reliable performance even in heavy rain or corrosive sea conditions.This high-quality construction guarantees a reliable power source that withstands frequent use and harsh conditions.
120A Continuous Output for Optimal Performance
The WattCycle 12V 100Ah LiFePO4 trolling motor Battery features an advanced 120A Battery Management System (BMS), enabling a continuous 120A output to deliver exceptional performance for trolling motors and other high-power devices.
Automatic Recovery for Enhanced Safety and Convenience
With built-in protection against overcurrent, over-discharge, and overheating, the battery automatically resumes normal operation without needing to disconnect the load. Once the temperature stabilizes, the system ensures a seamless recovery, keeping your devices running smoothly and safely.
Advanced 8-Protection Safety System
Engineered for comprehensive safety, our battery features 8 critical protection functions designed to shield against a wide range of risks. In addition to low-temperature cutoff, its smart BMS safeguards against overcharge, over-discharge, over-current, short-circuits, overheating, reverse polarity, and overload conditions, ensuring optimal performance in every environment.
How Long Will a 12V 100Ah Trolling Motor Battery Run?
Runtime depends on motor thrust level, speed setting, and boat load. A 12V 100Ah LiFePO4 battery provides about 1280Wh of energy, which can power most fishing boats for several hours depending on motor current draw.
| Thrust | Typical Current Draw | Estimated Runtime |
|---|---|---|
| 30 lb | 25–30 A | 3.3–4.0 hours |
| 40 lb | 35–45 A | 2.2–2.8 hours |
| 55 lb | 40–50 A | 2.0–2.5 hours |
| 70 lb | 50–60 A | 1.8–2.3 hours |
| Note: Runtime estimates assume moderate boat load and optimal battery condition. | ||
Trolling Motor Battery vs Outboard Motor Battery
This 12V 100Ah TM LiFePO4 battery is designed specifically for trolling motors and deep cycle marine loads such as fish finders, lights, and onboard electronics. These motors run continuously for hours while you maneuver quietly through fishing areas.
It is not intended for continuous propulsion use on outboard motors, which typically require batteries engineered for sustained high-current discharge and propulsion systems.
Key Differences
| Feature | Trolling Motor Battery | Outboard Motor Battery |
|---|---|---|
| Power Delivery | Continuous deep cycle power | Short high-current burst |
| Typical Use | Electric trolling motors | Starting gasoline outboards |
| Discharge Pattern | Long steady runtime | Instant engine start |
| Battery Type | Deep cycle lithium battery | Marine starting battery |
If you are specifically looking for a lithium battery for an outboard motor, we recommend using WattCycle 1200CCA dual purpose marine cranking battery designed for marine boat starting applications.
12V 100Ah TM LiFePO4 Deep Cycle Battery Tech Specs
GENERAL
| Dimensions (Inches) | 10.2 (L) x 6.6 (W) x 8.2 (H) |
| Weight | 23.15lbs / 10.5kg |
| Waterproof Rating | IP67 |
| Warranty | 7 years |
| Housing Material | ABS (Flame Retardant Plastic) |
| Terminal | M8 bolts |
BATTERY
| Cell | EV Grade A+ LiFePO4 Cells |
| Nominal Voltage | 12.8V |
| Nominal/Usable Capability | 100Ah |
| Energy | 1280Wh |
| Cycle Life | 5,000+ cycles @100% DOD, 6,000+ cycles @80% DOD, 15,000+ cycles @60% DOD |
| Max Depth of Discharge (DOD) | 100% |
| Max. Expansion | 4S4P |
| Internal Resistance | ≤40mΩ |
BMS
| BMS | 120A |
| Max. Continuous Output Power | 1536W |
| Max. Continuous Charge Current | 120A |
| Max. Continuous Discharge Current | 120A |
| Max. Discharge Current | 220A (≤6s) |
| Peak Discharge Current | 400A (≤0.3s) |
| Primary Current Protection | 220A |
| Secondary Current Protection | 400A |
CHARGE
| Charge Voltage | 14.6V ± 0.2V |
| Charge Method | CC/CV |
| Recommend Charge Current | 20A (0.2C) |
| Charge Temperature | 0℃ to 65℃ / 32℉ to 149℉ |
| Discharge Temperature： | -20℃ to 55℃ / -4℉ to 131℉ |
| Storage Temperature | 0℃ to 55℃ / 32℉ to 131℉ |
| Low-Temperature Protection | Yes (32℉/0℃) |
| Low-Temperature Charging Protection Auto Recovery | Yes (±41℉/5℃) |
Installation Tips for Trolling Motor Batteries
Frequently Asked Questions
Q1: Can I connect two 12V batteries to create a 24V trolling motor system?
Q1: Can I connect two 12V batteries to create a 24V trolling motor system?
Yes. Two identical 12V LiFePO4 batteries can be connected in series to create a 24V battery system.
Q2: Can I use this battery for electric outboard motors?
Q2: Can I use this battery for electric outboard motors?
The WattCycle 12V 100Ah LiFePO4 Trolling Motor Battery is optimized for trolling motor applications. For electric outboard applications, we recommend using the WattCycle Marine Cranking Battery, which is specifically designed to handle the higher power demands and provide optimal performance and safety.
Q3: How can I monitor my battery’s performance?
Q3: How can I monitor my battery’s performance?
With integrated Bluetooth 5.0 connectivity and real-time status monitoring, you can easily track voltage, charge levels, and overall health via our dedicated mobile app. Please reading WattCycle detailed Bluetooth Guide.
Q4: How should I prepare the battery for first use?
Q4: How should I prepare the battery for first use?
We recommend charging the battery fully with a compatible LiFePO4 charger before its initial use and maintaining a 30%–50% charge for long-term storage to ensure optimal performance.
Q5: Is this battery safe for saltwater fishing?
Q5: Is this battery safe for saltwater fishing?
Yes. The battery features an IP67 waterproof rating and rugged construction designed for harsh marine environments.
Q6: How does the battery's BMS overcurrent protection work?
Q6: How does the battery's BMS overcurrent protection work?
Our advanced BMS continuously monitors the current flow and instantly disconnects power if it detects an overload, ensuring that neither the battery nor your devices are exposed to harmful currents.This proactive overcurrent protection automatically resets once safe conditions resume, maintaining optimal performance and extending the battery’s lifespan.
Q7: Is lithium better than lead acid for trolling motors?
Q7: Is lithium better than lead acid for trolling motors?
In most trolling motor applications LiFePO4 lithium batteries offer clear advantages over lead acid. They are lighter, deliver a higher usable energy percentage, charge faster, and provide a much longer cycle life with less maintenance. The trade offs are higher upfront cost and the need to use LiFePO4 compatible chargers or charging profiles.
Q8: Can a 12V battery run a 55lb trolling motor?
Q8: Can a 12V battery run a 55lb trolling motor?
Yes, a 12.8V 100Ah LiFePO4 battery can run a 55lb trolling motor, provided the battery and wiring can handle the motor's continuous current draw. Example calculation: 12.8V × 100Ah = 1,280 Wh. A 55lb motor drawing about 40 A uses roughly 12V × 40A = 480 W, so estimated runtime = 1,280 Wh ÷ 480 W ≈ 2.8 hours. Real runtime depends on propeller, boat load, speed setting, and environmental conditions.
Q9: What is the difference between marine battery and trolling battery?
Q9: What is the difference between marine battery and trolling battery?
"Marine battery" is a broad term that can include starting batteries, deep cycle batteries, and dual purpose batteries used in boats. A "trolling battery" specifically refers to a deep cycle battery built to supply steady current for electric trolling motors over long durations. Key differences include design for cranking versus deep-cycle discharge, plate construction and thermal management, and typical use cases such as starting a gasoline outboard or powering electronics and electric propulsion.
Let customers speak for us
Exactly as described, includes comms cable and battery cables, screen is easy to read, appears to be accurate ah rating. Quality case. Excellent packaging (thick cardboard box with protective card edge strips with dense foam to cushion movement).
Only improvements they can make are instructions don't explain how to mount the rack and handles but does talk about not included stacking kit mounting. And the app isn't particularly well thought out. I understand it's a reskin of the BMS manufacturers app, but it could be a lot better with very little changes.
But overall 9/10, exactly what I needed at the price I needed.
I haven't had the battery long enough to see battery full potential and charging times. Soon though.
Bought this second battery to use in series with the first battery to make 24V battery bank to run my EG4 direct solar 12,000 Btu 120V ac mini split overnight. I can air condition 600 square foot area with just 2-12.8V 280ah batteries in serious. Although we did another video where we ran this mini split overnight with just one WattCycle 12.8V battery and a 120V ac output inverter Keeps area 600 sq ft area 76-78 degrees overnight even with it being 116 degrees outside yesterday. Still have 40-50 percent state of charge left in batteries in the morning when the battery bank is charged up again. I will definitely buy more WattCycle batteries. Have been using for several months now, extremely reliable for me. Highly recommend the WattCycle batteries.
Batteries arrived in good shape & well packed. Came with short & longer bolts which was helpful. I installed 4 of them in a boat as the primary house side. They replace 4 each 210 AHr AGM batteries that were half again bigger and twice as heavy (120 lbs each) as these ~60 lb 314 AHr LifePO4 batteries. This tripled my house capacity & removed 240 lbs of the weight. I added 250A MRBF Fuses to each +positive battery, as well as a 350A Class-T fuse on the overall DC+ side. Additionally, I added a Victron 500A Waterproof SmartShunt to monitor the charge/discharge levels. For charging, I added a Victron Orion XS 50A DC to DC charger for the alternator, and a 40A LifePO4 AC to DC Charger with a remotely activated plug. So far, the batteries seem to be working as advertised.
Had a few issues with shipping due the batteries being so heavy, may have been dropped by FedEx but WattCycle shipped out a replacement. Can’t fault the customer service. Just finished putting my server rack together before wiring it to the inverter.
I needed longer battery life, my old 100ah battery just wasn’t cutting it. With this battery I can run my fridge/freezer 3 times longer without worrying about running low on battery life.
This harness takes all the guess work out of linking your batteries in a series. Just connect all the wires up and plug the ends in and it’s done. They also come with really nice heat shrink connectors to hook up to your main power wires. 100% a must have for a 36v system.
Use to charge Wattcycle 280. Charges in reasonable time. Helpful display to match my Victron shunt and Bluetooth from battery. Added inline heavy duty on/off power switch to better control charging cycle.
Very well constructed, packaged, and documented battery.
