A ten-position microplate stacker designed for use with for stacker carousels for automated microplate handling in Biomek systems. Accomodates lidded and unlidded AP96 / AP384 tip racks, deep-well plates, microplate stacks, modular reservoirs, and microplates. Holds up to 10 deep-well plates, reservoirs, and/or microplates. Plates transferred to and from the stackers at the bottom via shuttle mechanism. Controlled via Stacker Carousel Software for coordinating stacker movements with Biomek pipetting. Up to two stackers can be used with each carousel.