Simple circuit for Battery Status indication for 7.4v re-chargable bat

  1. Jan 31, 2014 #1
    For my MINI PROJECT

    I need to get an LED indication for

    full battery and

    low battery

    the circuit must be simple with components such as transistors,resistors..etc

    Battery Details: 7.4v 1500mah li-on
     
  2. jcsd
  3. Feb 1, 2014 #2

    Simon Bridge

    User Avatar
    Science Advisor
    Homework Helper
    Gold Member

    Hint: zener diodes.
     
  4. Feb 1, 2014 #3

    meBigGuy

    User Avatar
    Gold Member

    I'd look at the lm3914.

    Overkill, but very accurate cheap and simple.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted
Similar Discussions: Simple circuit for Battery Status indication for 7.4v re-chargable bat
  1. Battery Indicator (Replies: 4)

Loading...