12V 120Ah Slim Bluetooth Lithium Deep Cycle Marine Battery MML-12120SB (w/ bluetooth)
12V 120Ah Slim Bluetooth Lithium Deep Cycle Marine Battery MML-12120SB (w/ bluetooth)
12V 120Ah Slim Bluetooth Lithium Deep Cycle Marine Battery MML-12120SB (w/ bluetooth)

Monster Marine Lithium

12V 120Ah Slim Bluetooth Lithium Deep Cycle Marine Battery MML-12120SB (w/ bluetooth)

$849.00

⚡ Monster Marine Lithium™ “Barracuda”

12V • 120Ah Deep Cycle Marine Lithium Battery

Model: MML-12120SB

Overview

Meet The Barracuda — compact, efficient, and built to deliver reliable long-lasting power for your 12V electronics and trolling motor systems.

Weighing in at only 32 lbs, this lithium battery replaces bulky lead-acid batteries while cutting overall weight by more than half. Housed in a Group 24 case, The Barracuda provides high-capacity power in a smaller footprint — perfect for anglers who want maximum performance without sacrificing space.

Built with Lithium Iron Phosphate (LiFePO₄) technology, this battery offers twice the power, a fraction of the weight, and four times the lifespan of standard sealed lead-acid batteries.

Installation is simple:  — true plug-and-play performance.
Need more power? Wire up to four batteries in series for 24V, 36V, or 48V systems.

Key Features

⚙️ Lightweight & Compact Design
At just 32 lbs, The Barracuda is easy to install, transport, and maintain — without compromising output.

🔋 High-Capacity Power
Delivers 120Ah of energy with consistent voltage for smooth operation of trolling motors and marine electronics.

🧠 LiFePO₄ Technology
Advanced chemistry provides steady voltage, improved safety, and an extended lifespan of 4000+ cycles.

📱 Bluetooth Smart Monitoring
Monitor charge status, voltage, and health in real time using the MMLithium Bluetooth App.

🔌 Simple Installation
Plug-and-play setup — easily connect in series or parallel for larger system configurations.

⚡ Charger Compatibility
Compatible with most AGM marine chargers (AGM setting required):

  • Minn Kota (Precision & Digital)

  • Dual Pro

  • NOCO

  • Real Pro

  • ProSport

⚙️ Specifications

Category Details
Weight 32 lbs
Case Size Group 24
Dimensions (L × W × H) 10.25 in × 6.5 in × 8.2 in
Nominal Voltage 12.8 V
Nominal Capacity 120 Ah
Energy 1536 Wh
Charge Voltage 14.4-14.6 V max
Max Charge Current 100 A
Continuous Discharge Current 120 A max
Battery Chemistry Lithium Iron Phosphate (LiFePO₄)
Cycle Life 4000+ cycles
Terminal Type M8 Brass Bolt
Configuration Options Up to 4 batteries in series for 48V max
Communication Built-in Bluetooth monitoring

⚓ Applications

Use Case Compatibility
Primary Use Deep cycle power for 12V electronics and trolling motors
Voltage Systems Compatible with 12V, 24V, 36V, and 48V configurations
Suitable Motors Minn Kota, Garmin, Lowrance, Rhodan, and other trolling motors
Additional Uses Fish finders, graphs, pumps, and auxiliary marine systems
Replacement For 12V sealed lead-acid (SLA) and AGM batteries
Weight Advantage Over 60% lighter than traditional batteries
In stock, ready to ship

Pairs well with

In stock! Ships within 1-2 business days.

90-day risk-free trial

2-Year Warranty

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