Based on this product's specifications, here are some alternatives and similar models
Battery HP ZBook Studio G3 G4 808450-002
Summary description:
The HP 808450-002 battery is designed for HP ZBook Studio G3 and G4 Mobile Workstations. It provides reliable power and long-lasting performance, ensuring your device runs smoothly. With a capacity that meets OEM specifications, this battery is a perfect replacement for your original battery, allowing you to work without interruptions. Easy to install, it enhances the productivity of your workstation.