Ellis Gibson (B.Sc. in Mechanical Engineering)

Yes, all garage door openers sold or installed in California must have battery backup since July 1, 2019. This feature allows the opener to work during power outages. Brands like LiftMaster and Genie provide models with battery backup. This requirement aims to improve safety and accessibility in residential applications. The functionality of garage door openers … Read more

Yes, hybrid cars have a battery. They use an internal combustion engine and electric motors. The battery stores energy, which charges mainly through regenerative braking and the engine. Unlike plug-in hybrids, hybrid cars cannot be plugged in to recharge. They enhance fuel efficiency and lower emissions compared to traditional vehicles. Hybrid batteries come in different … Read more

Yes, gaming laptops generally have low battery life. They use desktop-grade graphics and powerful GPUs that increase power consumption. Average runtime is about 3 to 5 hours under typical use. Factors affecting battery life include performance demands and usage. Keep the charger nearby for longer gaming sessions. To mitigate this issue, users can adopt several … Read more

Gaming laptops usually have an average battery life of about 4 hours and 46 minutes. This limited runtime often results from high-performance parts. Battery life affects portability for gamers. Review examples of specific models to see their runtimes and determine which laptop meets your performance and user expectations. In contrast, regular laptops prioritize efficiency and … Read more

Fast chargers do not significantly shorten battery life when used properly. Following manufacturers’ recommendations is essential. They efficiently manage heat and power. Regular fast charging is fine and does not damage the battery more than standard charging methods. Understanding these practices can optimize your phone’s charging habits. Charging a smartphone quickly may generate heat, which … Read more

A Faraday pouch does not drain your battery. It protects your electronics and keyless entry keys from external electromagnetic and radio waves. This barrier stops external interference and helps preserve the power and functionality of the devices stored inside. Key fob safety is critical. These devices can easily be vulnerable to hacking or relay attacks, … Read more

Yes, electric vehicles (EVs) have a 12-volt battery. This battery powers essential systems like lights and infotainment. It also supports the starting function of the high-voltage battery, which drives the vehicle. This combination ensures optimal vehicle performance and effective energy management in EVs. The 12V battery in electric vehicles is typically a lead-acid battery. These … Read more

Exit signs, according to NFPA-101, must connect to building power. They also need a battery backup to provide at least 90 minutes of light. Any disconnect switch that cuts power to the exit sign is a violation of safety codes. This ensures proper illumination during emergencies, allowing safe egress for occupants. The National Fire Protection … Read more