Built for 100–120 lb Trolling Motors: The WattCycle 36V 50Ah Deep Cycle Marine Battery is purpose-built for 100–120 lb trolling motors, delivering stable 36V power and 50A continuous discharge for demanding fishing trips. With 1920Wh of energy, it provides reliable output for long hours on the water while simplifying your setup compared with multi-battery lead-acid systems. Smart Bluetooth Monitoring, Right on Your Phone: With built-in Bluetooth, you can connect the battery to the WattCycle App and check battery level, voltage, temperature and operating status in real time. This makes it easier to manage your power on the water, monitor battery health and plan your runtime more confidently during a full day of fishing. Compact, Lightweight and Easier to Install: Despite delivering 1920Wh, this battery weighs only 13.55kg, making it over 50% lighter than comparable lead-acid setups. Its standard BCI Group 31-size footprint and M8 terminals help make installation straightforward for a wide range of marine applications where space and weight matter. Protected for Real Marine Use: The integrated 50A BMS helps protect against overcharge, over-discharge, over-current and abnormal operating conditions, while the IP65 waterproof rating supports reliable use in wet and demanding marine environments. Built with EV-grade LiFePO4 cells, the battery is rated for 6,000 cycles at 80% DoD, helping provide long service life for regular anglers and boat owners. Flexible Charging and Cold-Weather Ready: The battery supports 43.8 ± 0.5V charging, with a recommended charge current of 10A and a maximum continuous charge current of 50A. It can be charged using a compatible 36V (43.8V) LiFePO4 charger. Charging temperature is 0–60°C, and discharging temperature is -20–65°C, making it suitable for a wide range of European fishing conditions.
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