Ellis Gibson (B.Sc. in Mechanical Engineering)

A portable jump starter can charge a car battery briefly but is not meant for long-term use. It provides a quick burst of power to start the engine, rather than a steady charge for battery maintenance. Use portable jump starters only for jumpstarting vehicles, not as a substitute for a battery charger. Trickle charging is … Read more

Yes, a new leadless pacemaker can recharge its battery by changing mechanical energy into electrical energy. This method was highlighted in a proof-of-principle study at the American Heart Association’s Scientific Sessions in 2023, demonstrating significant progress in pacemaker technology and battery management. However, innovative solutions are emerging. Some newer pacemakers are designed with rechargeable batteries. … Read more

A high-capacity portable battery can charge a laptop. Choose a power bank with at least 20,000mAh capacity. It should have a USB-C port that supports Power Delivery. Check the compatibility with your laptop’s charging needs for efficient and convenient charging on the go. Additionally, the output voltage of the power bank is essential. Most laptops … Read more

Only batteries marked as “rechargeable” can be recharged. Regular alkaline batteries cannot be recharged and may leak or rupture, posing safety risks. For safe recharging, use NiMH batteries made for this. Always check battery labels to ensure they can be recharged. However, there are rechargeable batteries specifically designed for that purpose. Nickel-metal hydride (NiMH) and … Read more

Yes, some motorcycles can run without a battery. This occurs when the ignition system receives power only from the stator winding. Certain dirt bikes and older motorcycle models use this system. Thus, under specific conditions, the motorcycle’s electrical system operates independently of a battery. While it is possible to kick-start a motorcycle, several downsides exist. … Read more

A motorcycle battery can sometimes start a car. However, its cold cranking amperage is lower than that of a car battery. It may help a car battery that isn’t completely dead. Before trying this, check compatibility and ensure the motorcycle battery has enough power output for the current usage of the car. Jump-start techniques for … Read more

Marine batteries, designed for boats, can work in trucks because they provide deep-cycle energy. They efficiently power truck accessories. However, they may not offer the same starting power as standard automotive batteries. Before using one, assess your power needs and consider the pros and cons of this compatibility. There are downsides to using a marine … Read more

Yes, a motorcycle battery can jump-start a car if both are 12V systems. Make sure the motorcycle battery has at least 10Ah capacity. Connect the terminals correctly. A fully charged motorcycle battery can help start vehicles as large as a pickup truck. Check for any connection issues before you start. To jump-start a car using … Read more

A magnet cannot drain a car battery in any significant way. The static magnetic field might create a very brief effect lasting just milliseconds. This tiny impact does not alter the overall charge of the battery. In practical terms, a magnet does not affect the battery’s performance or lifespan. Car batteries store electrical energy, which … Read more

A magneto can charge a battery by generating electrical current. Its primary function, however, is to provide power for the spark plug in small gasoline engines. These engines usually use the magneto for ignition, not primarily for charging the battery. Various methods exist to connect a magneto to a battery. A common approach includes using … Read more