Battery Charger Circuits

This article talk about two main parts for wireless phone charging: Making Simple Wireless Mobile Phone Charging Circuit is easy. We only need resistors, capacitors, diodes, voltage regulator, copper coils and transformer to make circuit work good. Transmitter Circuit Working: Parts List: Category Description Quantity Resistor 1k 1/4 watt 1 Semiconductors Transistor TIP35 1 Transmitter […]

In this post for How to Charge a 12V Battery from a 12V Supply, this circuit uses 12V power and work like battery charger. It make voltage go higher than 12V to push current into battery. It uses special parts and control transistors good so there is no overheat. It give safe charging current around […]

Normal car battery has liquid inside. Gel Cell Battery Charger Circuit uses jelly but not liquid. Jelly make battery strong and work in any position. To charge gel battery we need special charger. This charger gives right power but not too much. Too much power can hurt battery. Special charger keep battery safe and good. […]

Think of a battery like water tank for our device. This Simple Circuit to keep a Battery Topped Up is like a helper. It checks battery level and gives charge when battery gets low. Battery stays full and is ready always which is good for backup power, solar lights and for wireless toys. Circuit Working: […]

What if charger is smart? and if it fills battery by itself and keeps it full, but not too much. That is what Automatic Battery Charger with Trickle Charger Circuit does. It has part that checks battery power. If battery is low it sends power to fill. When it is full it gives little power […]