• Description
  • Why Buy From Us

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:

  • 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

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)

Why Choose Green Vista Living


At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

We Put Our Customers First


As a small, dedicated team, we care deeply about your experience. Unlike large, faceless online companies, Green Vista Living offers a personal touch in everything we do. We're here for you from start to finish—whether you need product advice, support after a purchase, or just have questions. Our knowledgeable customer service team is always just a phone call or email away, ready to assist you in any way possible.

We Share Your Passion for the Planet


Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

Trusted Industry Experts


Our close partnerships with the best brands in renewable energy and outdoor gear give us insider knowledge that you won’t find anywhere else. We’ve taken the time to carefully select products that stand out for their quality and reliability. At Green Vista Living, we believe in understanding our products inside and out so that we can help you make the right choice with confidence.

More Reasons to Love Green Vista Living


Price Match Guarantee: Thanks to our partnerships, we offer the best prices around. If you find a better deal, we’ll refund the difference.


Free Shipping: We offer free shipping on most orders to the lower 48 U.S. states, making your shopping experience even easier.


100% Secure Ordering: Our site uses SSL Encryption technology to keep your payment and personal information safe and secure.


Volume Discounts: For large orders, we’re happy to provide special pricing—just reach out for a custom quote.


Authorized Dealer: As an authorized dealer for all our brands, you’ll receive full manufacturer warranties with every order.


At Green Vista Living, we aim to make your renewable energy and outdoor experience as seamless and enjoyable as possible. With our unmatched customer service, expertise, and dedication to quality, you can shop with confidence, knowing you’re supporting a company that’s as committed to the planet as you are.

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.
REAL REVIEWS, REAL RESULTS

Feedback From Our Customers

At Green Vista Living, we pride ourselves on delivering top-quality products and exceptional service to solar professionals and homeowners alike. Here's what our customers have to say about their experiences with us.

Kevin Leary
May 18, 2025
★★★★★

Incredible Tech Support from Anees of Green Vista Living. Exceptional service and went above and beyond on every question.

Bryan Cunningham
Off grid Kit • Dec 21, 2025
★★★★★

Shipment was slow due to high demand, but the team kept me informed and ensured everything arrived properly.

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