voltage meter recomendations?

[punch 10+ year member]

looking for a small size voltage meter to mount in my car, i don't want to run my battery low and be stranded ( every day driver)

anyone recommend a brand/model etc... ? I prefer digital

and what should I be monitoring, the battery or the power to the amps?

thanks

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[audiobahnuser18 5,000+ posts]

I ran a faze voltage meter in my car just above the steering wheel. i ran it to the whole car that way i just got it to the battery and when my system hits what its at.

 

[trunks9_us 10+ year member]

i ran A cig. lighter volt meter got it for 20 bucks at oriley but seems to not be super accurate but its no horrible either seems to be about .2 off my volt meter when im hitting i think its a delay.