The Minivator 1000 series, introduced in 1985, represented a revolutionary approach to stairlift power. Instead of running directly from mains electricity, these units used rechargeable batteries charged by a connection at the rail's ends.

This DC battery system offered several advantages. The stairlift would continue to operate during power outages — critical for elderly users. The motor ran more smoothly and quietly. And the lower voltage made the entire system inherently safer.

The 1000 series also introduced the concept of charging at both ends of the rail, ensuring the batteries were always topped up regardless of where the user parked the chair.