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

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

Authorized Monster Marine Lithium Dealer | Full Vendor Warranty Included

Customers rate us 4.6/5 based on 413 reviews.
$849.00
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12V 120Ah Slim Bluetooth Lithium Deep Cycle Marine Battery MML-12120SB (w/ bluetooth) - Green Vista Living

Monster Marine Lithium

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

$849.00
12V 120Ah Slim Bluetooth Lithium Deep Cycle Marine Battery MML-12120SB (w/ bluetooth) - Green Vista Living
12V 120Ah Slim Bluetooth Lithium Deep Cycle Marine Battery MML-12120SB (w/ bluetooth) - Green Vista Living
12V 120Ah Slim Bluetooth Lithium Deep Cycle Marine Battery MML-12120SB (w/ bluetooth) - Green Vista Living

Monster Marine Lithium

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

$849.00
  • Description
  • Why Buy From Us

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

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.

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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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