Micropower Battery Protector Circuit Diagram
Protect your expensive batteries from discharge damage with this mini-sized electronic cutout switch. It uses virtually no power and can be built to suit a wide range of battery voltages. Main Features Disconnects load at preset battery voltage Automatically reconnects load when battery recharged Ultra-low power consumption (<20ma) Miniature size 10A maximum rating Suitable for use with 4.8-12.5V batteries Transient voltage protection (optional) Suitable for use in... Cars, boats & caravans Security systems Emergency lighting Small solar installations Camera battery packs Many other low-power applications Picture of the project: Back in May 2002, we (Silicon Chip) presented the "Battery Guardian", a project designed specifically for protecting 12V car batteries from over-discharge. This unit has proven to be very popular and is still available from kit suppliers. This new design does not supersede the Battery Guardian – at least not when it comes to 12V car batteries...