Ellis Gibson (B.Sc. in Mechanical Engineering)

In 1976, Stanley Whittingham and Exxon developed the first rechargeable lithium-ion battery. This initial prototype introduced important concepts but lacked components found in later commercial versions. Their innovation paved the way for lithium-ion technology, which is essential for powering modern electronics. In 1991, Sony commercialized the first lithium-ion battery, leading to widespread adoption in consumer … Read more

To get your Cartier watch battery replaced, visit an authorized dealer or boutique. They suggest battery replacement every two to three years. Costs start around $46. You may find cheaper options with independent watchmakers. However, using authorized services guarantees quality and preserves your warranty certificate and after-sales service. Alternatively, you can seek certified watch repair … Read more

To hook up a car battery, first connect the positive terminal of the new battery. Next, connect the negative terminal. When removing the old battery, disconnect the negative terminal first, then the positive terminal. Always follow safety precautions to avoid sparks or short circuits. Connect and disconnect cables in reverse order for safety. Next, connect … Read more

Add water to a forklift battery after it cools down and ideally before each shift. This helps prevent overfilling and improves performance. Do not add water while charging, as it may damage the battery. Always check the water level indicators on your lift truck for the best practices in maintaining your battery. Safety is paramount … Read more

A fully charged 12-volt battery measures about 12.6 volts. When the voltage drops to 10.5 volts, the battery is fully discharged. A voltage drop below this level can cause damage, especially from sulfation. Maintaining voltage levels within the safe operating range is crucial for battery health and performance. At voltages around 11.5 volts, sulfate crystals … Read more

A healthy marine battery should measure between 12.6 and 12.7 volts. This range shows a fully charged state. If the voltage falls below 12.4 volts, the battery may be partially discharged. Regular measurement of the voltage helps maintain the battery’s performance and extends its life. For lithium marine batteries, the optimal voltage range slightly differs. … Read more

To charge a forklift battery, first park the forklift on a flat surface. Engage the parking brake and turn off the power. Ensure the charging area has proper ventilation to avoid gas buildup. Follow the manufacturer’s safety precautions and maintenance procedures for charging, whether the battery is in or out of the forklift. Next, connect … Read more

AGM stands for absorbent glass mat. This type of lead-acid battery uses a glass fiber separator to hold electrolyte, improving safety and performance. AGM batteries support deep cycling, have low discharge rates, and need little maintenance. They are suitable for various uses, including renewable energy systems and automotive applications. The lifespan of AGM batteries ranges … Read more

For a 50cc scooter, choose a 12V SLA or AGM battery. A good option is the YTX7A-BS, which has 6Ah and 105 CCA. Its dimensions are 5.90” x 3.38” x 3.70”. Ensure it matches your scooter’s charging system. For better performance and lifespan, consider a battery with a higher Amp Hour (Ah) rating. Installing a … Read more

A suitable battery tender for a motorcycle is usually a 1A to 4A charger. The Battery Tender Junior 12V, 800mA works well for ongoing maintenance. For quicker charging, choose a 4A charger. Most motorcycle batteries have a capacity of 10-30 amp-hours. Selecting the right charger helps extend battery life effectively. When selecting a battery tender, … Read more