# Maximum voltage for Taz 4

**URL:** <https://forum.lulzbot.com/t/maximum-voltage-for-taz-4/3153>\
**Category:** Hardware\
**Created:** [March 19, 2016, 12:31am UTC](https://forum.lulzbot.com/t/maximum-voltage-for-taz-4/3153 "2016-03-19T00:31:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![gghouck](https://avatars.discourse-cdn.com/v4/letter/g/a88e4f/32.png) [@gghouck](https://forum.lulzbot.com/u/gghouck)\
**Post date:** [March 19, 2016, 12:31am UTC](https://forum.lulzbot.com/t/maximum-voltage-for-taz-4/3153/1 "2016-03-19T00:31:39Z")

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I have a Taz 4 upgraded with a the hexagon extruder. After some issues with the PSU, I upgraded to a meanwell 24v. This unit is adjustable, and I was wondering if I could speed up my bed heating times by increasing the voltage a little. What is the upper limit I should keep clear of? Thanks, Greg.