ProMariner ProSportHD 20 Plus Global Gen 4 3 Bank Charger

The ProMariner ProSportHD 20 Plus Global Gen 4 is a 20-amp 3-bank on-board marine battery charger featuring a tri-surface extruded heat sink design that delivers significantly faster charging through optimal cooling while maintaining true rated amp output during charge mode. Up to 40% lighter than epoxy-filled chargers, it is a heavy-duty yet lightweight solution built for harsh marine environments. Note: C13 adapter plug required.

Powered by the ProMar Digital Technology Microprocessor, this charger provides fully automatic 5-stage digital performance charging that analyzes, charges, conditions, auto-maintains, and reconditions batteries once a month during storage periods. Distributed-On-Demand Technology utilizes 100% of available charging amps across any one bank or combination of all banks as needed. An expanded LED display with completion status gauge, four-color multi-stage charge mode indicator, System Check OK, and individual battery status and battery type indication keep you fully informed at a glance. Backed by a 3-year warranty and a dependable everyday marine charging solution alongside other fishing and boating electronics.

Key Features

• Tri-surface extruded heat sink design
• ProMar Digital Technology Microprocessor
• Distributed-On-Demand Technology
• Expanded 4-color LED completion status gauge
• Auto-maintain energy saver mode
• Dual inline waterproof fuses

Frequently Asked Questions

What battery types is the ProSportHD 20 Plus Gen 4 compatible with? It supports Group 24–31 Flooded, AGM, HP AGM, and GEL batteries with 3 digitally selectable charge profiles.

Does the ProSportHD 20 Plus Gen 4 require a special power plug? Yes, a C13 adapter plug is required. The charger accepts 100–240VAC at 50–60Hz global input via an IEC C14 AC plug.

What is the warranty on the ProSportHD 20 Plus Gen 4? It is backed by a 3-year warranty.

What certifications does the ProSportHD 20 Plus Gen 4 carry? It is certified to Marine UL 1236, CEC, DOE listed, and FCC Class B.