Vintage Sentry 50 Amp Marine Battery Charger Untested

This is a vintage Sentry automatic battery charger / converter, commonly used on boats, yachts, RVs, and industrial power systems. It converts AC input to DC output to maintain and charge large battery banks. Features: • Analog ammeter display (0–50 amps) • AC Input: 120V, 50/60 Hz • DC Output: Approx. 12V / 24V (depending on wiring) • Built-in fuses, circuit breaker, and manual/full charge mode switch • Heavy-duty transformer and GE 600V capacitor • Multiple output terminals for battery connections • Industrial/marine-grade steel chassis Item has not been tested.