Abyss Battery 3 Bank 12v/24v On-Board Marine Battery Charger - AB-CRG-12V/24V-3B
Introducing our all-new, 3 Bank On-Board Lithium Battery Charger, the ultimate solution for all your battery charging needs. Designed to cater to a broad spectrum of battery types and voltages, it offers an unmatched level of adaptability, ensuring your marine journey is uninterrupted and stress-free. This cutting-edge 3 bank charger has been meticulously designed to infuse 10A of power into two 12V LiFePO4, Lead acid, or AGM batteries, and a single 24V LiFePO4 with the simple selection of a mode.
What our Experts Think
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Hybrid 12V/24V charging versatility – Designed to intelligently support two 12V batteries plus one 24V LiFePO₄ bank, making it ideal for mixed marine systems with starter, house, and trolling motor setups.
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Smart 3-bank distribution system – Each bank delivers stable charging (up to ~10A per channel), ensuring balanced power delivery across all connected batteries for consistent performance on the water.
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Multi-chemistry compatibility – Supports LiFePO₄, AGM, and flooded lead-acid batteries via selectable modes, allowing flexible integration with existing marine power systems.
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Marine-grade waterproof construction – Fully sealed, epoxy-potted housing with high ingress protection for reliable operation in saltwater, vibration-heavy, and wet environments.
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Smart charging protection system – Built-in safeguards against over-voltage, over-current, overheating, short-circuit, and reverse polarity for maximum onboard safety.
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Efficient onboard installation – Compact design with long lead cables enables clean mounting in tight compartments while reducing wiring complexity.
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Designed for real marine setups – Ideal for anglers and boat owners running combined 12V electronics and 24V trolling systems who want a single integrated charging solution.
Q&A
Maintenance Tips
- Use only with 12V LiFePO4 / AGM / Lead-Acid and 24V LiFePO4 systems (correct mode selection required)
- Install in a dry, well-ventilated marine compartment to prevent heat buildup
- Ensure airflow around all 3 charging banks during operation (cooling is essential)
- Keep vents clear; charger uses active cooling for thermal protection
- Always set the correct battery chemistry mode before charging
- Inspect cables regularly for corrosion, looseness, or wear
- Avoid water spray or submersion despite waterproof/IP-rated design
- Use a stable AC input (120–240V) for consistent charging performance
- Secure all connections with correct polarity before powering on
- Do not mix incompatible voltages or battery types per bank
- Avoid undersized extension cords to prevent voltage drop and overheating
- Mount firmly to reduce vibration damage in marine environments
- Check LED indicators for charging status and fault alerts
- Allow unit to cool before storage after extended charging cycles
- Disconnect after full charge to avoid unnecessary standby load
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