We all need rechargeable fans which can be used while placing on the table as well as in the kitchen for cooling the temperature. Rechargeable table fans can be used when there is an unplanned long power cut. It can instantly cool down the room when there is no power available. In this article, we will guide you on how to make a rechargeable table fan at home. It will be a portable and easy-to-carry table fan. Components required making portable table fan: Lithium-ion battery (3N) Lithium-ion battery charging module Small DC motor DC motor fan PVC 110 mm deadlock 1 inch wire pipe wire Steps ..read more

If you are facing power cuts and you need emergency lights on a low budget then you can solve this problem using a rechargeable LED bulb. So, in this article, we will guide you to make a rechargeable LED light at home. What is a Rechargeable LED light? Rechargeable LED light is also known as battery operated light because it contains battery in it. This battery provides power during lights are on. These rechargeable lights look the same as that any ordinary LED bulb. In these lights, B22 base is present and has more weight than a normal LED Bulb. Working of Rechargeable Light: These rechargeab ..read more

Solar panels have gained a lot of popularity in these days and today it’s being used extensively in almost all sectors. The main property of this device is to convert solar energy into electrical energy. Solar energy can be used to power electrical equipment directly or simply stored in battery storage for later use. Normally, there’s one efficient way for storing electrical power, and that is by using rechargeable batteries. In this tutorial, we will guide you on how to make a variable solar battery charger with a voltage regulator. This is a simple project and can be made at home in simple s ..read more

4 Volt Lead Acid Battery is commonly used in Emergency lighting, security alarms, fire alarms, and many more devices. It can be recharged several times and can be reused. It contains several electrochemical cells. These batteries are also called accumulator as it accumulates and stores energy by a reversible electrochemical reaction. These lead-acid batteries have a life expectancy of 3-5 years in standby use. In this article, you will learn how to recover an old 4 Volt lead-acid battery. You can recover this battery at home in simple steps. Things Required Recovering Old Battery: Old 4 volt ..read more

We often use projectors in our office and home. Projectors are the best tool to view the images on a wider screen. But buying a new projector for your smartphone is a bit costly. Ever wondered if you can make a projector for your smartphone at home. Yes, you can make a smartphone projector without magnifying glass at home. Here are the simple steps to make a projector with the help of a Light Bulb and a Shoe Box. Required Materials – Shoe Box with Cover defective Light Bulb Black Paper Your smartphone cover Steps to Make a Mobile Phone Projector Step I Take a shoebox and paste its sides with ..read more

A digital multimeter is used to measure voltage and current. It also has a continuity check to check if the two things are electrically connected. Advanced multi-meters may have other functions as well. In this article, you will learn how to make a rechargeable digital multi-meter from PVC pipe sheets at home. We will use PVC pipes sheets to make a multi-meter box. You can easily make a digital multi-meter at home in simple steps. Things Required: PVC sheet DC volt meter Lithium-ion battery Lithium battery charging module AV socket 5 Volt female charging port ON/OFF switch Buzzer Red led Ste ..read more

Rechargeable Mini Led Tube light is a portable light that can be used as a nightlight, reading light, or flashlight. These LED lights are portable as it is battery powered and easy to carry. In this tutorial, you will learn How to make rechargeable mini led tube lights at home. You can make this Led tube light in simple easy steps at a very low cost. Components required making mini led tube light: PVC Sheet 4 volt led panel 3mm red led 4 volt lead acid battery ON/OFF Switch 5 volt female connector Wire 5408 diode, 10k resistance Step I Cut two pieces of PVC sheet of the size of 28*5 cms. Cut ..read more

We often use laptops for long hours, as a result, their battery becomes dead after some time. If you are also facing a dead battery issue then this post will be very helpful to you. Buying a new laptop battery will cost you a lot and you can repair your laptop battery at home with minimal cost. Required Material – A sharp object like knife Screw Driver Multi Meter Soldering Iron Here we have a Sony via laptop. It is a very old laptop with a Core i5 processor. It is a 2001 model and its battery doesn’t work. Step I First DE attaches the battery and open the locks present on the battery throug ..read more

A lithium-ion battery also called a Li-ion battery is a type of battery that can be charged and discharged by lithium ions displacing in between the negative and positive electrodes. The negative terminal is known as anode and the positive terminal is known as cathode. Since these batteries are suitable for storing high-capacity power, they are used in various applications, including consumer electronics. These lithium-ion batteries gradually lose their power with time and at one point it becomes totally dead. In this article, you will learn two ways on how to recharge dead lithium-ion batteri ..read more

Audio Amplifier is the basic element for all the music systems present in the market. This circuitry is used to hear super clear music from the music systems. The rechargeable mini audio amplifier is a mini version of such amplifier systems. This is easy to connect by Bluetooth with any device. In this post, we will work on how to make a rechargeable blue tooth mini audio amplifier. This project can be made at home following simple steps. Things Required: Bluetooth Audio Amplifier 10″ speaker 5volt female port 5 volt audio amplifier 5 volt female charger connector lithium ion battery 25 volt ..read more