Although the majority of battery chargers use voltage detection to initiate automatic shut-off, current sensing is a more accurate technique. Upon the battery reaching its optimal full condition, this method […]
12V Battery Fluorescent Light Circuit (20W)
This simple 20 watt homemade tube light circuit should work with any 12V battery and uses real few components yet is still able to produce a decent amount of white […]
Simple Self-Regulating Battery Maintainer Charger Circuit
This article describes a clever and simple automatic battery charger circuit that only uses two transistors! This circuit automatically adjusts the charging power based on the battery’s charge level, by […]
Using 555 Alarm to Detect and Alert Battery Low Voltage
This low battery alarm circuit using IC 555 was initially used in conjunction with an automated mains/battery DC power supply to power transceivers. Having the power supply usually at 13.6 […]
Battery Low Voltage Alarm Circuit using NAND Gates
The Battery Low Voltage Alarm circuit has a very significant purpose aside from its basic design. It alerts you when a battery is about to run out so you can […]
Precision Solar Battery Charger using Comparator
Any solar panel may be used to maximize battery charging with this compact and accurate comparator-based solar battery charger configuration, which also guards against unintentional overloading. With the longer battery […]