"Electricky Dicky" wrote in message
...
A shunt is used to measure current as you well know.
The Magic box that looks at the shunt counts in and out then
"guesstimates" based upon a number of parameters set by the installer
that may be right or may be wrong at that point in the banks life. The
final result is therefore ????? However most with amp counters assume
the numbers are gospel!

snippage

--
Richard

Nb "Pound Eater" Parkend G+S
"Governments are like Nappies, they should be changed often."
(For the same reason)

So it really comes down to choosing your choice of "magic boxes" which
"guesstimate"? How is the Smartguage better than the Link 10, if they both
"guesstimate" the state of charge?