--- title: Should the S2 be connected to keyed power or constant power? description: The S2 should always be connected to constant power. --- [Skip to content](https://support.siera.ai/kb/should-the-s2-be-connected-to-keyed-power-or-constant-power#main-content) English Show submenu for translations [Submit Support Request](https://support.siera.ai/kb/kb-tickets/new?hsLang=en) ![Logo Only White w Color (.png med).png\]](https://support.siera.ai/hs-fs/hubfs/Logo%20Only%20White%20w%20%20Color%20(.png%20med).png?height=40&name=Logo%20Only%20White%20w%20%20Color%20(.png%20med).png) - [Default HubSpot Blog](https://siera-4241209.hs-sites.com/blog) Open main navigation Close main navigation - [Default HubSpot Blog](https://siera-4241209.hs-sites.com/blog) - English Show submenu for translations - [Submit Support Request](https://support.siera.ai/kb/kb-tickets/new) - Go back to SIERA.AI website Go back to SIERA.AI website How can we help you? - There are no suggestions because the search field is empty. 1. [Support](https://support.siera.ai/kb?hsLang=en) 2. [IoT Devices](https://support.siera.ai/kb/iot-devices?hsLang=en) 3. [SIERA.AI S2](https://support.siera.ai/kb/iot-devices?hsLang=en#siera-ai-s2) # Should the S2 be connected to keyed power or constant power? ## The S2 should always be connected to constant power. The S2 should always be connected to constant power. In case the S2 is connected to keyed power, the S2 may discharge and turn off if the vehicle is not turned on for an extended period of time. 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