Based on this product's specifications, here are some alternatives and similar models
Supercapacitor module Dell 0CTV17 — high capacity, low voltage
Summary description:
Dell 0CTV17 is a supercapacitor module designed for high-capacity energy storage at low voltage. Intended for use in server or backup systems where rapid charge/discharge cycles and reliability matter, it provides short-term power smoothing, energy buffering, and data-protection support. Compact and purpose-built for Dell equipment, it helps maintain system stability during brief power interruptions.