on your charger when you charge your batteries, the 4 digit number on the bottom right, thats the mili amps you are putting in when you are charging your battery. that number is how many you used in the last usage.
Saw your pics on that website of yours, nice pics of your daughter and the electronics too... now what lense are you using? I love my 50mm f1.8.. but that looked like somthing better! lol