Battery charger is important in electric system as it give back power to rechargeable battery. Circuit is good way in using SCR (Silicon Controlled Rectifier). SCR is strong, reliable and control well. It have four layers, three junctions and work like switch and rectifier. Small current to gate turns it ON and stay ON until […]
Battery Charger Circuits
Supercapacitor Charger Circuit
We can charge supercapacitor safe and proper with and simple and easy to make Supercapacitor Charger Circuit. Battery does not charges or drain fast. Supercapacitor can do fast charge and drain. But supercapacitor hold less energy than battery. Circuit uses voltage regulator chip like LM317 to control voltage to supercapacitor. Regulator checks supercapacitor voltage and […]
Simple Wireless Mobile Phone Charging Circuit
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 […]
How to Charge a 12V Battery from a 12V Supply
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 […]
Gel Cell Battery Charger Circuit
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. […]
Simple Circuit to keep a Battery Topped Up
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: […]