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WattCycle 12V 100Ah Dual Purpose Marine Cranking LiFePO₄ Battery – 1200CCA, Bluetooth & Self-Heating
- Marine Cranking Battery: L354 * W176 * H187 mm | 11 kg
- Dual Purpose Design: Reliable power for mainstream marine (trolling motors, electronics).
- Self-Heating Feature: Automatically heats when temperature drops below 0°C/32°F until it reaches 5°C/41°F, ensuring optimal performance in cold weather.
- Cold Cranking Amps (1200 CCA): Strong starting power in cold conditions, ideal for marine applications.
- Forced Start Button: Allows emergency power-up when the battery fails to self-start.
- High Capacity & Long Lifespan: With a 10-year lifespan and over 6,000 deep cycles at 80% DOD, perfect for marine applications.
- Bluetooth Connectivity: Monitor battery health, charge status, and usage via the WattCycle app for full control.
- IP67 Rating: Water-resistant and durable, perfect for both land and water environments.
- Safety & Reliability: ABYC Certified & 200A Battery Management System (BMS) protects against overcharging, over-discharging, and short circuits.
- Versatile & Reliable Power: Ideal for boats, RVs, and other vehicles, providing continuous and reliable power for a wide range of loads.
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
FINALLY a Marine Lithium Battery That Does it All
In this video I showcase to 12V 100AH 1200CCA Dual Purpose Marine Starting and Trolling Battery from Watt Cycle (wow that's a mouthful). Let me know what you think in the comments below!
Complete Feature Integration
WattCycle 12V 100Ah marine starting battery integrates a host of practical features—from Bluetooth 5.0 connectivity and a robust 200A Battery Management System (BMS) to an IP67 waterproof rating, EV Grade A+ cells, self-heating capability, and a forced start button. This comprehensive package makes it a top contender among dual purpose lithium marine batteries, delivering performance and reliability wherever your adventures take you.
Complete Feature Integration
WattCycle 12V 100Ah marine starting battery integrates a host of practical features—from Bluetooth 5.0 connectivity and a robust 200A Battery Management System (BMS) to an IP67 waterproof rating, EV Grade A+ cells, self-heating capability, and a forced start button. This comprehensive package makes it a top contender among dual purpose lithium marine batteries, delivering performance and reliability wherever your adventures take you.
Optimized for Cold Weather
Never worry about cold starts again. With an automatic self-heating feature that activates when temperatures drop below 0°C (32°F), this lithium cranking battery warms up until reaching 5°C (41°F), guaranteeing optimal performance. This smart design makes it one of the best starting marine battery options for chilly environments.
Engine Start and Continuous Load Power
Engineered to deliver both the surge for engine starts and sustained power for continuous loads, this marine cranking battery ensures that your boat’s engine and onboard systems receive reliable energy when needed most. It stands out as one of the best starting marine battery solutions available in today’s market.
Bluetooth-Enabled Monitoring
Stay connected with your power source through integrated Bluetooth connectivity. This marine cranking battery lets you monitor charge levels, battery health, and usage details right on your smartphone via the WattCycle app. With smart tracking, managing your lithium cranking battery becomes effortless and efficient.
Powerful Cranking & Deep Cycle
Engineered for strength and endurance, this dual purpose marine battery offers impressive performance—delivering 1200 CCA at 20 seconds and robust 1000 cold cranking amp battery power at 22 seconds. Designed as a lithium marine cranking battery, it sustains over 6,000 deep cycles at 80% depth of discharge, ensuring consistent power for both starting and deep cycle applications. After our extensive experimental testing, Its performance even rivals many models often labeled as a marine cranking battery 1000 CCA.
Outperforming Lead-Acid Alternatives
Experience significant improvements over traditional lead-acid batteries with our marine dual purpose battery. Not only is it lighter and more compact, but it also offers an extended lifespan and reduced maintenance. Whether you need a marine starting battery for your boat or a deep cycle battery for automotive applications, this battery provides superior efficiency and reliability.
Fast Charging and Efficient Energy Management
Time is valuable, and this dual purpose battery is built for rapid energy replenishment. Its fast charging technology minimizes downtime, keeping your system ready for action. As a reliable lithium marine starting battery, it efficiently manages energy, making it an excellent choice for both marine and automotive applications.
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 | ![]() |
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| 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 |
Deep Cycle & Starting Reliability
Built to deliver consistent power across various applications, this battery excels as a dual purpose marine battery. Whether you require deep cycle endurance for extended use or instant starting power, its design meets both needs. Rely on this lithium marine starting battery to provide versatile performance under any conditions.
Tech Specs
Specifications
| Dimensions | 13.94x6.93x7.36 inch / 354x176x187 mm |
| Weight | 24.25lbs /11kg |
| Capacity | 100Ah |
| Energy Storage | 1.28kWh |
| Nominal Voltage | 12.8V |
| Float Voltage | 13.8V |
| Self Discharge Rate | <3%/Month |
Charging
| Max. Charge Voltage | 14.6V |
| Max. Charge Current | 100A |
| Recommend Current | 20A |
| Charge Temperature | 32~131°F/0~55°C |
| Internal Resistance | ≤40mΩ |
Discharging
| Cont. Dischagre Current | 100A |
| Discharge Current | 1200A@20s/1000A@22s/900A@20s/800A@30s |
| Discharge Temp.Range | -4~140°F/-20~60°C |
| Discharge Cut-off Voltage | 10V |


