# Switching the regular hub to cellular hub **URL:** \ **Category:** General\ **Tags:** hub, tempest, cellular\ **Created:** [July 30, 2020, 11:07pm UTC](https://community.tempest.earth/t/switching-the-regular-hub-to-cellular-hub/8284 "2020-07-30T23:07:54Z")\ **Posts on this page:** 1\ **Showing post:** 10
**Author:** ![gizmoev](https://sea2.discourse-cdn.com/flex020/user_avatar/community.tempest.earth/gizmoev/32/941_2.png) [@gizmoev](https://community.tempest.earth/u/gizmoev)\ **Post date:** [July 31, 2020, 1:51am UTC](https://community.tempest.earth/t/switching-the-regular-hub-to-cellular-hub/8284/10 "2020-07-31T01:51:17Z")
> [@jgentry](#): > > I’m planning on using a UPS to power up the hub during power outages. Here are some posts with ideas about powering the hub during a power outage: > [@Hub battery backup question](https://community.tempest.earth/t/hub-battery-backup-question/4263): > > But here’s the problem - while power was out, no data was saved so I missed the most important part. Product literature assured me that data would be saved during internet outages but it says nothing about power outages. Do I need to install battery backup in the hub? Here’s an image of the disappointing graphs of air pressure and wind speed I saw when power was restored. Any help would be greatly appreciated. > [@Battery power supply/portable UPS ideas for hub & a tablet I](https://community.tempest.earth/t/battery-power-supply-portable-ups-ideas-for-hub-a-tablet-i/2249): > > Continuing the discussion from [A way to use Sky & Air on an RV or as a semi-mobile unit?](https://community.tempest.earth/t/a-way-to-use-sky-air-on-an-rv-or-as-a-semi-mobile-unit/842/4): I’ve been thinking about ideas for a good long term battery power supply/portable UPS for my hub and a tablet for when I’m camped somewhere. @SLOman used a 3350mAh battery and got a full 24 hours running just the hub. I want something I can hook in to USB charging port while also powering the hub and a tablet. This way I can use an AC power supply or one running off of 12V. I was concerned that maybe the … > [@A way to use Sky & Air on an RV or as a semi-mobile unit?](https://community.tempest.earth/t/a-way-to-use-sky-air-on-an-rv-or-as-a-semi-mobile-unit/842): > > I know this is similar to the [RVer on the move](https://community.tempest.earth/t/rver-on-the-move/561/30) topic but I didn’t want to hijack that thread. I thought I’d ask this while the Indegogo campaign is still going and I had a chance to order another unit. I’d just test this but I haven’t received my Sky & Air yet. From the reading I’ve done it appears that the unit could be linked to the cloud using a phone or tablet with internet connectivity. If this is the case could I set up the units on my RV, set the new GPS position, and tether it to a tabl… --- _[View the full topic](https://community.tempest.earth/t/switching-the-regular-hub-to-cellular-hub/8284)._