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

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Meera
#1
Jan31-14, 11:47 PM
P: 3
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
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Simon Bridge
#2
Feb1-14, 02:02 AM
Homework
Sci Advisor
HW Helper
Thanks ∞
Simon Bridge's Avatar
P: 12,369
Hint: zener diodes.
meBigGuy
#3
Feb1-14, 04:27 AM
P: 1,072
I'd look at the lm3914.

Overkill, but very accurate cheap and simple.


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