12V 100Ah TM Bluetooth LiFePO4 Battery for 30–70lb Trolling Motors
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IEC/CE-EMC/CE-ROHS/CE-Battery/FCC-SDOC/UD38.3/MSDS

Built for Trolling Motors: Designed for 30–70 lb thrust trolling motors, delivering stable power with up to 1536W output for smooth load handling and consistent thrust on longer fishing trips.
Powerful 120A BMS Protection: The 120A BMS protects against overcharge, over-discharge, overcurrent, overheating, and short circuits, with 120A continuous and 200A peak current for stronger performance than typical 100A BMS batteries.
Compact & Lightweight: Measuring 10.2 × 6.6 × 8.2 in and weighing 23.15 lbs, this battery is smaller and lighter than traditional lead-acid batteries while delivering more usable power.
IP67 Marine Durability: The IP67 waterproof and dustproof design resists water, salt spray, and vibration, ensuring reliable performance in marine and outdoor environments.
Auto-Recovery Protection: Built-in auto-recovery restores operation automatically after over-discharge protection—no manual reset required.
EV-Grade LiFePO4 Cells: High-quality LiFePO4 cells deliver 5,000+ cycles at 100% DOD and up to 13 years of lifespan, far exceeding traditional lead-acid batteries.
1280Wh Long Runtime: Provides 1280Wh usable energy for trolling motors, boats, RV systems, camping gear, and off-grid power.
Expandable System: Supports up to 4S4P configuration, expandable to a 20.48kWh energy system for larger power needs.
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- 1 PACK (C$279.99) - $279.99
- 2 PACK (C$277.19/pack) - $554.38
- 3 PACK (C$274.39/pack) - $823.17
- 4 PACK (C$271.59/pack) - $1,086.36
12V 100Ah TM Bluetooth LiFePO4 Battery for 30–70lb Trolling Motors
Features
- Best for Trolling Motors: This lithium battery is ideal for trolling motors with a thrust of 30~70 lbs and is also perfect for RVs, vans, campers, and household use.
- Low Temperature Cutoff Protection: Equipped with a premium BMS, the battery automatically cuts off charging below 0°C / 32°F and resumes charging above 5°C / 41°F.
- Enhanced Waterproof and Dustproof: Featuring IP67 rated protection, this battery is resistant to water, dust, and salt spray, making it suitable for wet and dusty environments, enhancing durability and reliability.
- Vibration-Resistant: Built with a sturdy and vibration-resistant design, this battery is perfect for various sailing conditions, ensuring reliable performance even under harsh conditions.
- Upgraded 120A BMS: The integrated Battery Management System (BMS) continuously monitors battery status, preventing overcharge, over-discharge, over-current, and short circuits. It also offers automatic over-discharge protection and recovery without user intervention.
- Premium Automotive Grade A+ Cells: Utilizing the latest battery technology with higher energy density, this lithium battery delivers over 5,000 cycles at 100% DOD.
- Perfect Drop-in Replacement: Designed to Group 24 size, this trolling motor battery is nearly three times lighter than a lead-acid battery of the same capacity, offering twice the usable energy of a 12V 100Ah lead-acid battery.
- Max. Continuous 120A Current: With the 120A BMS, enjoy a more stable marine experience, allowing for better control of your trolling motors through increased instantaneous current.
- Flexible Charging Options: Choose from three charging methods: WattCycle LiFePO4 battery charger, solar panel with MPPT, or a generator. Full charge takes approximately 5 hours at the recommended charging current.
- Expandable Battery System: Supports up to a 4S4P configuration, creating a total power system of 20.48kWh to meet various energy needs.
- Winter Fishing Worry-Free: Operates reliably with a discharging temperature down to -20°C / -4°F.
- Extended Warranty: The battery comes with a default 5-year warranty, which can be extended to 7 years with registration on the official website.
Suitable Applications:
- Fishing Enthusiasts: Reliable power for fishing boats, supporting a full day of activities.
- Outdoor Adventures: Provides dependable power for outdoor adventures, ensuring your electric devices stay powered.
- Recreational Use: Ideal for electric kayaks, leisure boats, and more, enhancing your sailing experience.
Tech Specs
Versatility On and Off Water
Perfect for RVs, vans, camping, and off-grid applications, WattCycle's 12V 100Ah LiFePO4 Trolling Motor Battery is your ultimate energy solution on both water and land. This versatile battery adapts seamlessly to diverse lifestyles, providing dependable power wherever your journey takes you.
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℃) |
Comparison
| Version | ![]() |
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| 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 | √ | √ |
| Low-tem Protection | √ | √ |
| Function | Dual Protection | Self-heating/1200CCA/Force Start Button |
| Shop now | Shop now |
FAQ's
What applications is this battery best suited for?
Can I use this battery for electric outboard motors?
How can I monitor my battery’s performance?
How should I prepare the battery for first use?
Can this battery be used to start my car or boat engine?
How does the battery's BMS overcurrent protection work?
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User Manual
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.
Unmatched Marine Performance
Experience unmatched marine performance with WattCycle's 12V 100Ah TM LiFePO4 deep cycle battery, engineered for superior power and reliability. It consistently delivers robust energy to keep your marine adventures smooth and uninterrupted.
EV Grade A+ Cells & Rugged Waterproof Construction
Crafted with EV grade A+ LiFePO4 cells, it delivers exceptional durability with 5,000 to 15,000 deep discharge cycles. 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.
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.
Scalable Energy Solutions
Equipped with a robust 120A BMS, our battery delivers 1536W and 1280Wh of steady power while an advanced management system enhances efficiency and battery longevity; its scalable 4S4P design supports up to 20.48kWh of capacity, allowing easy expansion as your power needs grow.







































































