Ellis Gibson (B.Sc. in Mechanical Engineering)

To make a homemade deep cycle battery, gather lead, lead oxide, and sulfuric acid. Create six cells for a 12-volt system. Use wet cell design for better performance. Ensure safety with protective gear and good ventilation. This cost-effective method helps in energy storage for solar arrays and backup power. To create a homemade deep cycle … Read more

To make a high-voltage lemon battery, gather four large lemons, copper pennies, and galvanized nails. Insert one copper penny and one galvanized nail into each lemon. Connect the lemons in series. Use a voltmeter to measure the voltage. This simple setup can power an LED, demonstrating enjoyable chemistry concepts with citrus fruits. For maximum voltage, … Read more

To make your hearing aid battery last longer, use these tips: 1. Use new batteries. 2. Remove the battery tab only when you are ready to use it. 3. Follow the five-minute rule before putting it in your hearing aid. 4. Store batteries at room temperature. 5. Keep the battery door open when not in … Read more

To conduct an effective golf cart battery discharge test, first, fully charge the battery. Then, use a battery discharge tester to apply a controlled load. Monitor the voltage drop during the test. A significant drop suggests a weak battery. Finally, perform a visual inspection to check for corrosion or damage on the battery connections. Next, … Read more

To make a fuel cell battery, follow these steps: 1. Determine your power needs. 2. Collect materials like platinum wire, electrodes, and a PEMFC (Proton Exchange Membrane Fuel Cell). 3. Assemble the components carefully. 4. Connect to a hydrogen source. This creates a basic fuel cell for educational and experimental use. First, fill the plastic … Read more

To make a forklift battery, first identify the required voltage and capacity. Use high-quality lithium iron phosphate (LiFePO4) cells or lead-acid batteries. Ensure the design can handle 80-100 amps. Prioritize safety by charging in ventilated spaces and follow the manufacturer’s assembly guidelines for accuracy and usability. Allow the battery to charge fully before use. Regular … Read more

To make a flashlight with a 9V battery, gather 1-3 LEDs, thin copper wire, and a momentary switch. Connect the LEDs in series with the switch and attach them to the battery. This simple, no-solder design creates a bright, portable flashlight. Follow these step-by-step instructions for an efficient and lightweight emergency tool. Start by connecting … Read more

To make a flashlight using a 3.65V battery, pick either the Fenix 1.5V 1600mAh or Nitecore 3.6V 750mAh lithium-ion batteries. These batteries operate similarly at nearly the same voltage. Follow the charging guidelines to prevent over-discharge and enhance flashlight duration. Use a battery management system (BMS) for safety. First, connect the battery cell to the … Read more

Make an electric shock toy using a 9-volt battery, capacitor, and aluminum foil. Connect the battery to a switch and wire the capacitor. This setup delivers a mild, non-lethal shock when activated. Follow safety guidelines and use assembly instructions for this DIY project to ensure a positive user experience. To keep the toy safe, cover … Read more

Learn how to make a drone using an HW battery. Start with key components: motors, a frame, and a receiver. Follow these steps: attach the HW battery, connect the motors, and turn on the receiver. Keep safety measures in mind. Enjoy flying your DIY quadcopter! Start with the frame, which serves as the base. Attach … Read more