Dual Pro PS4 Auto 15A Four-Bank Lithium/AGM Charger

The Dual Pro PS4 Auto is designed for boat owners whose four-bank battery arrangement uses lithium or AGM technology. Its AutoProfile system detects the connected battery type and selects the appropriate charging behavior. Four independent outputs let the charger handle multiple batteries rather than treating them as one circuit. The 15-amp rating identifies the Professional Series output configuration supplied for this model.

Automatic multistage charging is paired with diagnostic codes and an automatic return-to-charge feature. The manufacturer also describes a startup function for compatible lithium batteries whose low-voltage protection has switched them off. Charger algorithms were developed for the supported battery chemistries. That distinction matters when an onboard battery setup changes from AGM to lithium.

The PS4 Auto is built with waterproof construction for fresh- or saltwater use. The PS4 Auto is ignition protected and is listed as meeting the ISO 8846 marine standard. Its Professional Series design is suited to owners who want an installed charger rather than a temporary bench unit. Browse the marine battery charger selection to compare other bank counts and charging capabilities.

• Automatic battery-chemistry recognition
• Independent multistage charging outputs
• Compatible lithium wake-up charging function
• Diagnostic information for installed batteries