The unit has big vents on either aspect to circumvent overheating, and the entire ports and connectors are located on the back. Recycle previous batteries: Any time you exchange the battery in the UPS, you ought to recycle the outdated a single. We have now guidance in the separate posting https://wordpresswebsiteservices71581.blogstival.com/57936998/what-does-battery-ups-12v-7ah-mean