Voltage gauge

[NutmegCT]

This is interesting:

https://www.amazon.com/gp/product/B019MBR2OE/

Plugs into cigar lighter socket. Shows system voltage - and lets you charge your USB devices!

Tom M.

 

[dklawson]

Thanks for sharing. I have seen the cigarette lighter volt meters for several years now but the link you posted to was the first I have seen that includes a USB charger. I think I'll add it to my birthday wish list.