Batwatch is a simple monitor for a solar panel battery charger, using an Atmel ATtiny13V. It periodically measures the charge current and battery voltage, and shows them by blinking two LEDs. I built this circuit into the plug of a VW solar charger panel that is used to prevent a discharge of the battery when a car is not used for some time. A modern car contains a large amount of electronics, and a quiescent current of 40-50mA (about 1Ah per day!) is considered “normal”.
Read More Source:http://www.xs4all.nl/~dicks/avr/batwatch/index.html
Thank you.
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This entry was posted on Wednesday, April 2nd, 2008 at 10:53 am and is filed under battery charger.
