ABYSS® On-Board 12V 40A High-Precision Marine Battery Charger

The Abyss Battery 12V 40-Amp On-Board Marine Charger is engineered for boaters who demand reliability in harsh marine environments. Designed with a true IP68 waterproof and corrosion-resistant enclosure, this charger is built to survive salt spray, vibration, humidity, and long days offshore—without compromising charging performance. Delivering 40 amps of intelligent charging power, this unit is ideal for house battery systems, ensuring fast, efficient recovery between trips while protecting battery health over the long term. Advanced charging algorithms automatically adapt to your battery chemistry, making it fully compatible with Lithium (LiFePO₄), AGM, and traditional lead-acid batteries. Smart internal safeguards continuously monitor voltage, temperature, and current, providing safe, consistent charging even in demanding conditions. Whether installed in a center console, bay boat, offshore rig, or work vessel, this charger delivers dependable power where it matters most. Built for serious marine use. Designed for long battery life. Trusted when conditions are unforgiving. Key Features 12V / 40A High-Output Charging – Fast, efficient power delivery for marine house batteries IP68 Waterproof & Dustproof – Fully sealed to withstand saltwater spray, corrosion, and vibration Multi-Chemistry Compatibility – Supports Lithium (LiFePO₄), AGM, and Lead-Acid batteries Smart Charging Profiles – Automatically optimizes charge cycles for battery longevity Marine-Grade Construction – Rugged design for offshore and inshore installations Ideal for House Battery Systems – Reliable onboard charging between trips