# Fully Wireless Laird Sentrius gateway!

> I added a 3S2P 18650 power source to a Sentrius with balancing and DC 12V regulation, so now it is a fully portable LoRaWAN gateway that just uses a phone hotsp

- Type: Community update
- Community: [The Things Network Houston](https://www.thethingsnetwork.org/community/houston/)
- Author: Travis Teague
- Published: 2018-02-06
- Web page: https://www.thethingsnetwork.org/community/houston/post/fully-wireless-laird-sentrius-gateway

I added a 3S2P 18650 power source to a Sentrius with balancing and DC 12V regulation, so now it is a fully portable LoRaWAN gateway that just uses a phone hotspot as a backhaul.
I haven't completed my power tests yet, but it seems to have no problem running for a full day...