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Customer Favorite Promariner Prosporthd 20 Gen 4 - 20 Amp - 2 Bank Battery Charger [44020] Deal Alert: 45% Off [xYZa3Fzt]

$49.99 $159.99 -69%

Introducing the ProSportHD 20 Gen 4 Battery Charger The ProMariner ProSportHD 20 Gen 4 is a state-of-the-art 20 Amp - 2 Bank Battery Charger designed for marine and automotive applications. This latest generation charger boasts a lightweight, heavy-d

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Customer Favorite Promariner Prosporthd 20 Gen 4 - 20 Amp - 2 Bank Battery Charger [44020] Deal Alert: 45% Off [xYZa3Fzt]

Introducing the ProSportHD 20 Gen 4 Battery Charger

The ProMariner ProSportHD 20 Gen 4 is a state-of-the-art 20 Amp - 2 Bank Battery Charger designed for marine and automotive applications. This latest generation charger boasts a lightweight, heavy-duty design that delivers significantly faster charging through its advanced tri-surface heatsink technology. With true rated amp output during charge mode, the ProSportHD 20 Gen 4 ensures optimal performance and efficiency.

Key Features and Benefits

The ProSportHD 20 Gen 4 is powered by ProMar Digital Technology, which includes a microprocessor and software controlled charging technology for fast, precise charging. Its Distributed-On-Demand™ Technology ensures that 100% of available charging amps are utilized efficiently. Key features include a heavy-duty tri-surface extruded heat sink design for optimal cooling, an expanded LED display with completion status gauge, and a lightweight design up to 40% lighter than epoxy filled chargers. Additionally, the charger features an Auto-Maintain Energy Saver Mode that reduces AC power consumption and a fully automatic 5-stage digital performance charging system to enhance battery performance and extend battery life.

Specifications and Practical Uses

The ProSportHD 20 Gen 4 is designed for use in harsh environments, featuring industrial grade jacketed DC and AC power cables with molded strain reliefs and wire splitters. The charger is pre-wired with 6’ AC and DC cables for easy installation and operation. It is compatible with Group 24–31 Flooded, AGM, HP AGM, and GEL batteries and comes with a 3-year warranty. With its dual inline waterproof fuses, reverse polarity, over-temperature, over-current, over-voltage, and ignition protection, the ProSportHD 20 Gen 4 is a reliable and safe choice for all your charging needs.

What Our Customers Say

January 21, 2026

Absolutely no complaints!

I am impressed. And it works so very, very well.

- Dilys E..

January 21, 2026

Absolutely no complaints!

A great product and a very, very, very good deal.

- Trystan K..

January 21, 2026

Absolutely no complaints!

A truly wonderful example of modern engineering.

- Jarvis K..

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