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WattCycle 12V 100Ah Bluetooth Trolling Motor LiFePO₄ Battery – 120A BMS Surge Protection for 30–70 lbs Motors
- Smart: Real-Time Monitoring via WattCycle App
- Applications: Ideal for fishing boats, electric kayaks, leisure boats, and more. Also perfect for RV, Vans, Camping and other scenarios.
- Compact: L260 x W168 x H209mm (same size as 12V 100Ah), 10.5kg
- Safe: Low-temperature cutoff protection
- Premium: EV grade A+ LiFePO4 cells
- Durable: 5,000-15,000 deep discharge cycles
- Reliable: Built-in 120A BMS | 1536W | 1280Wh
- Scalable: Max. 4S4P, up to 20.48kWh
- Waterproof: IP67, resistant to water, dust, and salt spray
- Certification: SDS / UN38.3 / IEC / FCC / CE / ROHS
Free local shipping for all orders, except some areas need extra shipping cost.
Our batteries come with a 5-year warranty, which can be extended to 7 years total upon product registration. Accessories are covered by a 1-year warranty, and like-new (refurbished) batteries include a 1-year warranty.
For full terms, conditions, and claim details, please visit:
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Fast, Free Shipping
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30-Day Money-Back Guarantee
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Hassle-Free Warranty
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Lifetime Customer Support
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.
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.
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.
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. | ||
Reliable Dual-Mode Power
This 12V 100Ah marine starting battery delivers dependable performance for both watercraft and road vehicles. Designed as a lithium marine starting battery, it provides dual-mode capability that ensures reliable power whether you’re starting an engine or running onboard electronics. Enjoy robust performance and peace of mind on every journey.
How to Choose the Version
| Version |  |
 |
| Size | L260 x W168 x H209mm | L354 x W176 x H187 mm |
| Weight | 10.5 kg | 11 kg |
| Nominal Voltage | 12.8V | 12.8V |
| Energy | 1280Wh | 1280Wh |
| BMS | 12.8V 120A | 12.8V 200A |
| Waterproof | IP67 | IP67 |
| Bluetooth | √ | √ |
| Low-tem Protection | √ | √ |
| Function | Dual Protection | Self-heating/1200CCA/Force Start Button |
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.
Tech Specs
GENERAL
| Dimensions (Inches) | L260 x W168 x H209mm |
| 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
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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.
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.
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.
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.
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. (coming soon)
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.
