Can I leave the 12V Power Supply turned "on" and plugged into the Joolca pump, while the pump is not in use? Last Updated: October 11, 2022 01:35 We recommend to turn off the 12V Power Supply and disconnect it from the Joolca pump, when the pump is not being used. Was this article useful? No Yes 12 out of 17 found this helpful Our team appreciate your feedback! What exactly was the issue with the article? Article content isn't very clear Missing or broken links and/or images Article does not answer my question(s) Article content is outdated Other Please Choose atleast one option. Let us know what we can improve: Submit feedback If you'd like to submit a support request, please contact us here.