ACT Quantum 80VDC 480VAC Charger Module (Repair and Return)

The ACT Quantum 80VDC 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 80VDC output for fast, stable battery cycling. Industrial-grade conversion for 80V heavy-duty Class I forklifts, container handlers, and large-capacity reach trucks. Direct cross-reference for OEM part number 81063578R — also sold as Hyster 81063578R, Hyster Unisource HU81063578R, Yale Premier YP81063578R, and Unisource 81063578R. 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.