Skip to content

Monster Marine Lithium | 12v 80Ah Bluetooth Deep Cycle Lithium Marine Battery

SKU MML-CW1280B
Original price $600.00 - Original price $600.00
Original price
$600.00
$600.00 - $600.00
Current price $600.00
This Item Qualifies for FREE SHIPPING.
SPRING SALE – LOWEST PRICES GUARANTEED
Spring is here, and so are unbeatable deals. Don’t wait—shop now and secure the lowest prices before the sale ends!

12v 80Ah Bluetooth Deep Cycle Lithium Marine Battery – Group 24 | MML-1280B

Compact Power. Smart Monitoring. Built for the Water.

The MML-1280B 12v 80Ah Bluetooth Lithium Battery is a compact and powerful solution designed for marine electronics, 12v trolling motors, and outdoor applications. Weighing just 20 lbs and housed in a Group 24 case, this battery delivers twice the power, four times the lifespan, and 60% less weight than traditional sealed lead-acid batteries.

Equipped with Bluetooth monitoring, you can track battery status in real-time through our iOS & Android app—giving you peace of mind wherever your adventure takes you.

Key Features:

  • Group 24 Drop-In Fitment
    Compact and easy to install in most standard battery trays.

  • Super Lightweight (20 lbs)
    Cut the weight without sacrificing power or performance.

  • Smart Bluetooth Monitoring
    View battery voltage, state of charge, and more from your smartphone.

  • Advanced LiFePO4 Technology
    Delivers steady power output and over 4000+ charge cycles.

  • Easy Plug-and-Play Setup
    Connect your main positive and negative wires—no complex wiring needed.

  • Expandable Power
    Connect in series for 24V, 36V, or 48V setups or parallel for higher capacity.

Perfect For:

  • 12v Trolling Motors (All Brands)

  • Kayaks, Ice Fishing, Outdoor Gear

  • Marine Electronics

  • Off-grid Solar Systems

  • Golf Carts (multi-battery configurations)

  • SLA Group 24 Battery Replacement

Charger Compatibility:

This 12v 80Ah lithium battery works with AGM-capable chargers from:

  • Minn Kota (Precision & Digital)

  • Dual Pro

  • NOCO

  • Real Pro

  • Pro Sport

Note: Chargers must support AGM charging mode.

Specification

Weight
22 lbs

Size Dimensions
L 10.25 in x W 6.5in x H 8.2 in
Group 24

Voltage
12.8V

Energy
1024 Watts (Wh)

Amp-Hours
80Ah

Charge Volts
14.6v
Max charge current 80A

Continuous Discharge Amps
100A max

Terminals
M8 bolt

#1 DIY Solar Authorized Retailer
Fast & Safe Shipping
Sales Tax Free
Authorized Dealer Warranty
Are Solar Guys Pro Authorized Retailers?

Yes! We are proud to be one of the few online retailers who are authorized retailers for every single product we carry!

When Will My Order Ship?

Most orders ship within 1–3 business days. You’ll get a tracking number as soon as it ships via email!

Do We Accept Returns?

Yes absolutely, we have a no-hassle, 30-day return policy on all items! To refer to the full policy, click HERE

Are Products Brand New?

Yes! All products on Solar Guys Pro are 100% brand-new and in perfect condition.

We do not sell any used or refurbished items.

The #1 Authorized DIY Solar Retailer

We're proud to be the USA's #1 Authorized retailer for high quality DIY solar brands

Fast Shipping

Experience the fastest shipping times you've seen in the entire solar industry.

Real Human Support

Questions? Give us a call to speak with our solar expert: (571) 350-0146

Frequently Asked Questions

Get your 30% Tax Solar Credit!

Get your 30% Tax Solar Credit!

Unlock substantial savings with the government's Solar Tax Credit, which offers a robust 30% deduction on the installation costs of solar systems. This attractive incentive is your ticket to leveraging solar energy's eco-friendly potential while enjoying the financial benefits.

At Solar Guys Pro, our commitment is to you. Please be reminded that our expertise does not extend to tax advice. Nonetheless, our dedicated staff is eager to guide you through the process and ensure you capitalize on this exceptional offer.

Contact us now to learn more!

Save With Exclusive Deals!

Save with discounts and get exclusive deals when you sign up with our newsletter!

USA Based Tech & Customer Support Got a question? Speak to our USA based tech & customer support team: 571-350-0146
#1 DIY Solar Authorized Retailer
Fast & Safe Shipping
Sales Tax Free
Authorized Dealer Warranty