# Anyone knows the DC port size?

**URL:** <https://forum.chuwi.com/t/anyone-knows-the-dc-port-size/43449>\
**Category:** UBook X\
**Created:** [February 23, 2024, 10:03am UTC](https://forum.chuwi.com/t/anyone-knows-the-dc-port-size/43449 "2024-02-23T10:03:39Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Reetsa](https://avatars.discourse-cdn.com/v4/letter/r/35a633/32.png) [@Reetsa](https://forum.chuwi.com/u/Reetsa)\
**Post date:** [February 23, 2024, 10:03am UTC](https://forum.chuwi.com/t/anyone-knows-the-dc-port-size/43449/1 "2024-02-23T10:03:39Z")

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Does anyone have that special tool to measure accurately?  
I want to be able to use DC for power and use usb-c for something else while on the go, so I found this thing on aliexpress but don’t know which size to pick

[https://a.aliexpress.com/\_EHIOzUD](https://a.aliexpress.com/_EHIOzUD)

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<div class="post-metadata">

**Author:** ![ChuwiESnotactive](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.chuwi.com/chuwiesnotactive/32/8190_2.png) [@ChuwiESnotactive](https://forum.chuwi.com/u/ChuwiESnotactive)\
**Post date:** [February 24, 2024, 1:51am UTC](https://forum.chuwi.com/t/anyone-knows-the-dc-port-size/43449/2 "2024-02-24T01:51:28Z")

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10210Y and 4120;  
12V2A wall-mounted DC with light, outer diameter 3.5mm, inner diameter 1.35mm, head length 10mm adapter, cable length 1.8M

I hope it solves your doubt.