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This batteries charger circuit can be used to charge one or more batteries with the total nominal voltage of 12 V, meaning ten NiCd battery or six 2 V lead acid. The circuit is pretty small and can be built in a housing network adapter. The incorect usage is impossible: connecting the batteries with reverse polarity, shortcircuit of the output terminals or power loss have no impact on the charger or battery.  ... Read more »
Category: Power | Views: 1363

When loading a battery during the day from a solar panel it can be partially discharging through the panel after nightfall. This solar panel power switch circuit replaces the diode and connects the panel to battery through a relay contact. When the power supply voltage is to low the relay is not ON, so the battery is not connected to the solar panel.

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Category: Power | Views: 1459

This is a NiCd/Ni-MH charger that can charge with constant current and automatic charge termination when the total voltage for all cells reach the setting voltage.  ... Read more »
Category: Power | Views: 2124

This is a Li-Po charger and balancer project for R/C hobby.  ... Read more »
Category: Power | Views: 1742

Those of you who frequently use devices that work on battery or you need a negative trend at the moment you have a single positive, will definitely look for a converter like the one described below.  ... Read more »
Category: Power | Views: 1193

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