About this item

• SET IT & FORGET IT MAINTENANCE MODE – Enjoy worry-free charging with our automatic maintenance mode. Once your boat batteries are fully charged, this marine battery maintainer seamlessly switches to trickle mode—keeping your lithium marine batteries topped off. Ideal for use as a marine battery tender or battery trickle charger for boat setups.
• ADVANCED WEATHERSHIELD WATERPROOF COATING – Built to endure tough marine environments. Our onboard marine battery charger features WeatherShield Internal Coating and IP67 waterproofing, making it the perfect boat charger for saltwater, rain, or high-humidity conditions.
• IMPROVED BATTERY SENSING TECHNOLOGY – Multi-bank charger optimized to enhance the lifespan & performance of your Lead Acid, AGM, Lithium or LiFeP04 Batteries. This 4 bank marine battery charger adjusts voltage and current automatically for safe, efficient charging. Use as a 12 volt marine lithium battery charger or multi-bank battery tender to extend battery life and avoid overcharging.
• UNMATCHED CUSTOMER SUPPORT FROM A FAMILY-RUN SMALL BUSINESS – Backed by a 24-month warranty and USA-based tech support. Whether you're installing a 4 bank battery tender on a fishing boat or using this as an on board charger for boat storage, we’re here to help. Includes step-by-step videos and guides. Trusted by over 75,000 boaters who rely on our marine battery chargers for safety and peace of mind.
• FORCE START MODE FOR DEAD BATTERIES – Recharge low-voltage or sleep-mode lithium marine batteries with a timed low-amp boost. Force Start mode safely revives dead cells and then switches to full charging automatically. Great for seasonal boats and as a trickle charger for boat battery or emergency marine battery trickle charger.