Hall effect amp-hour counter

pianotuna wrote:
Hi Mex,

Are you saying this one won't work? http://minibms.mybigcommerce.com/products/EV-Display.html

After reading about Mex's concerns on power draw I queried dimitri at cleanpower. He says:

cleanpower wrote:
Its 30mA draw on 12V battery when LCD is backlit, drops to about 20mA when backlight goes off.

Forgot to ask about accuracy or precision though.
Dimitri responds very quickly if you ask though.