⚡ Monster Marine Lithium™ “Cobra”
1300CCA • 100Ah Dual Purpose Bluetooth Cranking Lithium Battery
Model: MML-C12V13JB
Overview
Introducing The Cobra — compact, efficient, and ready to strike.
This 1300CCA 100Ah Dual Purpose Bluetooth Lithium Battery delivers exceptional cranking performance and deep-cycle capacity in a lightweight Group 27 form factor.
Designed to meet and exceed Mercury Marine’s latest specifications, the Cobra is built for modern high-output outboards and precision marine electronics.
Weighing just 25 lbs, it offers incredible starting power, fast recovery, and reliable energy storage for all-day performance.
Backed by years of testing across a wide range of engines and professional tournament use, The Cobra has proven compatibility with:
With advanced LiFePO₄ chemistry and a marine-grade Battery Management System (BMS), this battery safely handles voltage spikes and high alternator outputs — delivering the reliability your boat deserves.
Key Features
⚙️ Dual Purpose Design
Combines powerful engine cranking with deep-cycle performance — ideal for both starting and electronics.
⚡ Reliable Cranking Power
Delivers 1300 cold cranking amps (CCA) — easily starts today’s largest 4-stroke and 2-stroke outboards.
🔋 Deep Cycle Endurance
Provides 100Ah of energy storage to power your electronics, sonar, and accessories all day long.
📱 Bluetooth Smart Monitoring
Monitor voltage, charge level, and performance in real time through the MMLithium Bluetooth App.
🧠 Advanced BMS Protection
Marine-optimized Battery Management System handles heavy engine loads, voltage spikes, and rapid alternator charging.
🧭 Lightweight & Compact
At only 25 lbs, the Cobra offers massive output while cutting significant weight from your system.
➕ Expandable Setup
Add a second battery in parallel (positive to positive, negative to negative) for additional 100Ah capacity, or configure in series up to 48V for higher-voltage systems.
⚙️ Specifications
| Category |
Details |
| Weight |
25 lbs (11.8 kg) |
| Cold Cranking Amps (CCA) |
1300 |
| Dimensions (L × W × H) |
12 in × 6.8 in × 8.8 in (306 × 173 × 225 mm) |
| Nominal Voltage |
12.8 V |
| Nominal Capacity |
100 Ah |
| Energy |
1280 Wh |
| Charge Voltage Range |
14.6 V |
| Continuous Charge/Discharge Current |
200 A max (recommended ≤100 A) |
| Terminal Type |
Top Post + M8 Bolt Combo |
| Battery Chemistry |
Lithium Iron Phosphate (LiFePO₄) |
| Cycle Life |
4000+ cycles |
| Bluetooth Functionality |
Built-in Smart Monitoring via MMLithium Bluetooth App
|
⚓ Applications
| Use Case |
Compatibility |
| Primary Use |
Starting and deep-cycle operation for marine engines |
| Suitable Engines |
2-Stroke & 4-Stroke outboards (Mercury, Yamaha, Suzuki, Evinrude, etc.) |
| Parallel Configuration |
Increase total amp-hour capacity |
| Series Configuration |
Up to 4 × 12 V batteries for 24V, 36V, or 48V systems |
| Replacement For |
12V AGM or lead-acid batteries |
| Additional Uses |
Trolling motors (12V–36V), onboard electronics, golf carts (36V & 48V) |
