Once known as Hartley18
Join Date: Aug 2007
Location: Melbourne, Australia
Thanked 85 Times in 85 Posts
Rep Power: 11
Re: Voltage tester idea
Yes it will..but it won't tell you a lot more about the state of charge (SOC) of your battery than the current idiot(ic) lights do.
Time to fork out for a Battery Monitor - either the Victron or the Xantrex will tell you all you need to know, and much more.
A bad day on a boat beats a good day in the office