
Monster Marine Lithium | Dual 12v & 24v Marine Waterproof Lithium Charger
Dual 12V & 24V Marine Waterproof Lithium Charger
Powerful, Reliable Charging for Dual-Bank Lithium Systems
The Dual 12v & 24v Marine Waterproof Lithium Charger is a high-performance, custom-designed charger built for modern lithium marine battery systems. Engineered for serious boaters, this rugged unit features Bank 1 for 12V lithium batteries (10A output) and Bank 2 for 24V lithium batteries (10A output)—allowing you to simultaneously charge both power systems with a single, waterproof device.
Even if you're running two 24V lithium batteries in parallel, this charger efficiently charges them together with no additional setup required. It’s fully marine-grade and waterproof, perfect for onboard installation in harsh marine conditions.
Key Features:
-
Dual Bank Charging:
-
Bank 1: 12V @ 10A (Lithium only)
-
Bank 2: 24V @ 10A (Lithium only)
-
Supports charging two 24V lithium batteries in parallel
-
-
Push-Button BMS Wake-Up Function:
When lithium batteries enter low voltage cutoff, the built-in wake-up button sends a controlled pulse to reactivate the battery’s BMS (Battery Management System), allowing charging to begin even when battery voltage is near zero. -
100% Waterproof Housing:
Built to withstand salt, spray, and extreme marine environments. Safe for permanent onboard mounting just like traditional marine chargers. -
Compact and Durable:
Weighs just 15 lbs, making it light enough for installation flexibility while packing heavy-duty performance.
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.
Frequently Asked Questions

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!