A portable pool vacuum cleaner can indeed be perfect for winterizing your pool. Here's why it’s beneficial:

1. Debris Removal: It clears out leaves, dirt, and any remaining debris that might have settled at the pool's bottom. Removing these helps prevent stains and water contamination over the winter.

2. Battery-Operated Options: Portable vacuums often come with rechargeable batteries, making them easy to maneuver without the need for extension cords or hose attachments.

3. Efficiency: Many models come with high suction power and built-in filters, capturing fine particles and larger debris. This thorough cleaning prepares your pool for covering and keeps it fresh, minimizing algae growth or sediment buildup when you reopen.

4. Lightweight & Easy Storage: Most portable units are compact, so you can easily store them for the season once you’re done.