Description

ProTechOne – 4 AMP – Corded

ProMariner’s ProTechOne Fully Automatic Onboard Battery Charger and Maintainer utilizes the latest in microprocessor and software control charging and energy-saving auto maintain technology. Safe for short and long-term storage with multi-stage charging, conditioning, and auto maintaining proved to maximize battery performance and life. Designed for weatherproof applications and years of trouble-free use, ProTechOne boasts a gasket molded case design for outdoor use with commercial-grade jacketed AC and DC cables for maximum cable protection and durability. 

ProTechOne incorporates a push-to-test battery status monitor showing remaining battery power, in addition to fault detection of battery connections, reverse polarity, or battery too low to charge. In the event of a fault, both the Charging and Auto maintain LEDs will remain off. An angled easy-to-view LED dashboard provides the quick status of AC Power, Charge Mode, and Auto Maintain (Energy Saver) mode, which controls the charging output as needed to maintain a fully charged battery, lowering AC consumption and reducing operating cost.

Features:

  • All-digital charging technology with fully-automatic multi-stage digital charging
  • Dedicated battery charging, sensing, and control
  • Push-to-test battery monitor LED fuel gauge status
  • Waterproof DC safety fuse for maximum DC wire protection
  • Ignition protected and FCC Class A for quiet operation and non-radio interference

Shipping & Delivery

⚓ Smooth Sailing Shipping

Enjoy FREE standard shipping on most orders over $250 within the continental U.S. (excl. heavy/oversized/hazardous items).

We ship via UPS, FedEx, and USPS . Orders are processed in 1–2 business days with typical delivery in 1–5 business days .

🧭 Track The Voyage

You’ll receive tracking info by email once your order ships. If your package is marked “delivered” but not received, please wait 48 hours then reach out to our team.

🛟 Hassle-Free Returns & Exchanges

Returns accepted within 30 days of delivery. Items must be unused and in original packaging.

  • Mistaken or damaged cargo? We’ll handle return shipping.
  • Changed your course? Return shipping is on you.
  • Report defects or damage within 7 days for a free exchange.

💰 Anchor Your Refund

Refunds go back to your original payment method within 5–7 business days after inspection.

📨 Contact the Crew

Questions about your order? Drop anchor at sales@marineelec.com .