Ellis Gibson (B.Sc. in Mechanical Engineering)

Yes, you can touch the negative battery terminal of a 12-volt car battery. It is safe to touch both the positive and negative terminals without risk of electric shock. However, avoid doing so with wet hands to prevent a tingle. Always disconnect the negative terminal first when working on the battery to ensure safety. Additionally, … Read more

Never throw away a lithium-ion battery in household waste. These batteries can harm the environment. Instead, recycle them through programs like Call2Recycle. Locate a collection site by visiting Call2Recycle.org/locator. Proper disposal reduces environmental impact and ensures safety from hazards. Safety should be a priority when handling lithium-ion batteries. Damaged or swollen batteries can pose fire … Read more

To test your iPhone battery, open Settings, select Battery, and tap on Battery Health & Charging. Here, you’ll see your battery’s maximum capacity and peak performance. The section will also alert you if your battery needs service. Regular checks will help maintain your device’s performance and lifespan. Next, consider measuring voltage. Certain apps can provide … Read more

No, do not test your alternator by disconnecting the battery while the car is running. This can damage the alternator. Instead, use a voltage meter to safely check the alternator’s performance. Disconnecting the battery while the engine is on can harm the vehicle’s electrical system and increase damage risk. Monitor the engine’s performance. If it … Read more

Yes, you can test your car battery at home. Use a multimeter or a carbon pile tester. First, turn on your headlights for two minutes to remove surface charge. Then, set the multimeter to 15-20 volts. Connect it to the battery terminals to check the voltage. Regular testing helps maintain battery health. Next, perform a … Read more