Monster Marine Lithium “Scorpion”

1300CCA • 120Ah Dual Purpose Bluetooth Cranking Lithium Battery

Model: MML-13C120JB

Overview

Meet The Scorpion — engineered for serious marine performance, reliability, and power.
This 1300CCA 120Ah Dual Purpose Bluetooth Lithium Battery is built to start modern high-output 4-stroke & 2-stroke engines while delivering exceptional deep-cycle capacity to power your electronics all day long.

Designed in a Group 31 case and weighing just 28 lbs, The Scorpion provides massive cranking power with lightning-fast recovery, outpacing traditional AGM or lead-acid batteries in every category.
It meets and exceeds Mercury Marine’s latest cranking specifications and has been field-tested for years across top engine platforms including:

• Mercury Pro XS 4-Stroke

• Yamaha SHO & 4-Stroke (new and legacy)

• Yamaha HPDI

• Mercury Verado 4-Stroke

• Suzuki 4-Stroke

• Evinrude 2-Stroke

• Mercury Pro XS 2-Stroke

• MerCruiser 4-Stroke

This battery’s advanced Battery Management System (BMS) is specifically tuned to handle the voltage spikes, heavy draw, and charging output of modern outboards — making it the ultimate all-in-one solution for cranking and house power.

Key Features

⚙️ Dual Purpose Performance
Designed for cranking and deep cycle operation — perfect for starting your outboard and powering electronics from a single battery.

⚡ High Cranking Power
Delivers 1300 cold cranking amps (CCA) to fire up large 4-stroke and 2-stroke engines with confidence.

🔋 Long-Lasting Deep Cycle Energy
With 120Ah of storage capacity, The Scorpion easily powers your electronics, pumps, and sonar systems all day without voltage drop.

📱 Bluetooth Smart Monitoring
Track voltage, charge levels, and system performance in real time with the MMLithium Bluetooth App.

🧠 Intelligent BMS Protection
Built with an advanced marine-grade Battery Management System to protect against overcharging, over-discharging, and voltage spikes.

🧭 Lightweight Design
At only 28 lbs, The Scorpion provides high output power at less than half the weight of comparable lead-acid batteries.

➕ Expandable System
Wire multiple Scorpions in parallel (positive to positive, negative to negative) for additional capacity, or in series up to 48V for multi-voltage configurations.

⚙️ Specifications

⚓ Applications