⚡ Monster Marine Lithium™ MML-CW3665B “36V 65Ah Bluetooth Trolling Battery”

36V 65Ah Bluetooth Deep Cycle Marine Trolling Battery

Overview

Meet the MML-CW3665B, the compact power that’s redefining marine performance.
This 36V 65Ah Bluetooth Lithium Trolling Battery brings advanced LiFePO₄ technology and integrated Bluetooth monitoring to your boat — giving you lightweight efficiency, real-time performance data, and unmatched endurance in a single, drop-in battery.

At only 38 lbs, this single battery replaces three traditional 12V lead-acid or gel batteries, cutting a ton of weight while freeing up valuable space.
It’s engineered to deliver twice the power, four times the lifespan, and instant plug-and-play installation for your 36V trolling motor system.

Key Features

✅ One Battery, Triple the Output
Replaces three 12V batteries — saving space, simplifying wiring, and reducing overall boat weight.

📱 Integrated Bluetooth Monitoring
Track real-time voltage, current, capacity, and battery health directly from your smartphone via the MMLithium app.

⚡ Lightweight, Heavy-Duty Power
Power that weighs less — dramatically lighter than lead-acid with more muscle in every amp.

🔋 LiFePO₄ Technology
Provides double the usable power, four times the cycle life, and consistent voltage output from start to finish.

➕ Expandable Power
Easily connect a second in parallel (positive to positive, negative to negative) to double capacity.

🪛 Plug-and-Play Installation
Connect your trolling motor directly to the battery — no complex setup required.

⚙️ Physical Specifications

🔋 Electrical Specifications

⚓ Applications