Monster Marine Lithium | 12v to 24v Quantum Charger "On The Run”
12V to 24V Quantum Charger "On The Run" – Marine-Grade Alternator Charging Solution
Charge While You Run. No Shore Power Needed. Compact. Smart. Reliable.
The 12v to 24v Quantum Charger "On The Run" is a cutting-edge, marine-grade charging solution that allows you to efficiently charge your 24V battery bank (or two 12V LiFePO4 batteries in series) directly from your boat’s 12V alternator system—all while you're on the water.
This lightweight, waterproof unit connects to your 12V cranking battery, and once the alternator reaches optimal voltage, it automatically activates and begins converting the charge current up to 24V. It can even charge a 36V battery when plugged into your 12V source during standard shore charging. Whether you're charging a 24V or 36V lithium system, the Quantum Charger keeps your trolling and auxiliary power topped off without needing to run additional wiring or wait for dockside charging.
Key Features:
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Smart 12V to 24V Conversion – Charges 24V battery bank using your 12V alternator
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“On The Run” Charging – Powers up automatically once cranking battery is full
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Supports 36V Charging via 12V Shore Power – Perfect for deep cycle and trolling motor systems
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Easy Install & Ultra-Compact – Saves space in your rig with fast setup
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Marine-Grade Waterproof Design – Built to withstand harsh conditions
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Advanced Safety Features – Includes low voltage, over-temperature, and over-voltage protection
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
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