












This NEW Type of Battery Will Change Boating Forever!
I've been asked a million times if this product exists and now we not only have what we've been waiting for, we have it for an AFFORDABLE price! Watt Cycle has created an ultra lightweight, compact DUAL PURPOSE marine battery! Today we dive into the difference between origional lead acid vs lithium as well as the difference between a starting battery and deep cycle. Hope this helps you guys out!!
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.
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—delivering1200 CCA at 20 secondsand 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.
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 | L354 * W176 * H187 mm |
Weight | 12.1 kg |
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 |