The Haven 10 is an affordable manual transfer switch that allows you to backup essential circuits during a power outage. Use it with your Yeti PRO 4000 to keep lights on, fridges cooling, and personal devices charged.

Build out your backup system with powerful expansion batteries. You can combine as many as 4 Tank PRO 4000 batteries per Yeti PRO. This creates a robust backup system that can run essentials in your home for days on end. And because the system is modular, you can get the expansion batteries you need now and easily add on more in the future when your needs change.

This kit helps you connect portable, ground deployed solar to a Yeti PRO 4000 inside your home. Connect power from the wall plate to Yeti PRO 4000.