Ellis Gibson (B.Sc. in Mechanical Engineering)

You can make a screwdriver magnetic by wrapping a wire around it and connecting the wire ends to a 9V battery. Follow safety information while handling electricity. Alternatively, point the screwdriver north and gently strike the tip with a hammer 25 to 50 times to create a magnetic charge. Begin by holding the screwdriver firmly … Read more

To make a saltwater battery for solar energy, mix 2 cups of water with 1 tablespoon of salt. Use iron nails for the positive electrode and aluminum foil for the negative. This DIY battery is rechargeable and helps with energy storage. It’s an efficient, low-cost option for off-grid energy applications. A DIY saltwater battery is … Read more

Connect one alligator clip to a metal object and the second clip to another metal object. Place both into salt water, avoiding contact between the clips and the water. Use a voltmeter to measure the voltage created. This process shows how to make a DIY salt water solar battery and demonstrates renewable energy potential. Connect … Read more

To make a rechargeable solar battery bank, gather solar panels, batteries, and tools. Connect the batteries and solar panels. Install a charge controller and add wiring. Create output ports for power access. A 48V system enhances efficiency and capacity. For step-by-step instructions, check reliable DIY guides. Connect the solar panels to the charge controller. This … Read more

To make a pouch cell battery, gather a pouch case and components: a cathode, anode, separator, and electrolyte. Cut a vacuum sealing bag for the metal electrodes. Assemble the parts using the clamping technique. Ensure safety throughout the process. Test the battery’s capacity and compare its efficiency with other battery types. Begin by preparing the … Read more

To make a portable 12V wall outlet, use an ammo can. Install a 50 Ah LiFePO4 battery inside. Connect a fuse block and USB sockets to the battery with proper wiring. Secure all connections to prevent shorts. This DIY power station offers reliable power for outdoor activities and during power outages. Start by securely attaching … Read more

To make a portable battery-powered Bluetooth speaker, gather materials like a Bluetooth module, amplifier, and lithium battery. Use tools to connect the wiring and ensure correct voltage. Place everything in a waterproof case. Follow a DIY tutorial for step-by-step assembly. Enjoy high-quality sound anywhere! Start by connecting the Bluetooth receiver to the speakers. Ensure the … Read more

To make a portable outlet with a battery, choose a compact battery pack. Ensure it supports charging methods like solar panels or wall sockets. This battery should power devices such as lamps and fans. Follow a DIY guide with a materials list and clear steps. This solution is practical and great for outdoor use. You … Read more

To make a DIY power bank with a 9V battery, use a 9V battery, a voltage regulator, and a USB connector. Connect the regulator to the battery and attach the USB connector to the regulator. This easy project requires no soldering. It serves as an efficient emergency charger for your phone. Start by connecting the … Read more

Make a portable cellphone battery charger with easy materials. Start with 18650 rechargeable batteries, a step-down voltage regulator, and a female USB connector. You can build a DIY power bank without soldering. Optionally, include a DC/DC converter for better voltage control. Stay charged wherever you go! After securing the board, attach the USB output port … Read more