The Typhoon-BTW Battery Tray Washer has a reciprocating nozzle manifold with precision-aimed nozzles that surround the workpiece — traveling back and forth along the length of the battery tray — ...

This prototype battery enclosure tray built by CpK Interior Products Inc. aimed to demonstrate the company’s UniFORM process, which adds proprietary specialized tooling and vacuum assistance wet ...

Old battery's probably swelled up and that's why it's getting stuck. Don't be shy about removing the entire top cover and front of the frame, if needed.