ACT Quantum 48VDC 480VAC Charger Module (Repair and Return)

The ACT Quantum 48VDC Charger Module is a high-frequency power conversion unit built for industrial battery charging in demanding electric lift truck operations. It accepts 480VAC 3-Phase input and delivers a regulated 48VDC output for fast, stable battery cycling. Suited for 48V Class I and Class II warehouse forklifts and order pickers operating multi-shift schedules. Direct cross-reference for OEM part number 81063577R — also sold as Hyster 81063577R, Hyster Unisource HU81063577R, Yale Premier YP81063577R, and Unisource 81063577R. This is a Repair & Return service — send us your existing ACT Quantum module and our certified technicians will diagnose, repair, and bench-test it back to OEM specifications. Typical turnaround is 3–5 business days from receipt. No core charge required (you're sending in your own unit). Includes a 6-month warranty on the repair work and free return shipping.