Ellis Gibson (B.Sc. in Mechanical Engineering)

The RV ceiling fan, like the Fantastic Fan, uses 2.3 amps at mid-speed and 3 amps at high speed. Over six hours, it drains about 15 amp-hours from your battery. The total battery drain depends on the speed setting and how long you use it. Check your battery capacity to ensure you have enough power … Read more

Changing the screen resolution on your Note 10 can impact battery drain. Setting the resolution to 720p can improve battery life by up to 10%. The effect depends on your normal usage and app activity. Reduce display brightness and enable Night Mode for additional savings. Use the Accubattery app to conduct a battery test for … Read more

A 10W fan on a 12V inverter uses about 1 amp per hour. If you have a 50 Ahr battery, it can run for about 50 hours under ideal conditions. However, inverter efficiency losses can reduce this time. Monitor voltage levels, which usually drop from 13.8V to 12.3V when the fan operates. For example, a … Read more

Using 12V accessories can drain your car battery when the engine is off. The alternator charges the battery when the engine runs. However, high-power accessories like lights or sound systems can exceed the battery’s power requirements, leading to drainage if used without the engine running. Battery life is affected by how long the 12V accessory … Read more

Draining your lithium-ion battery below 20% before replacement is unneeded and can harm battery health. The ideal charging range is between 40% and 80%. Avoid full discharges. If your battery drains quickly or doesn’t charge to 100%, consider a replacement. Regular charging practices extend battery lifespan. For other battery types, like nickel-metal hydride (NiMH), you … Read more

A deep cycle battery should not be discharged below 50% depth of discharge (DOD) to maintain its lifespan. You can safely discharge it up to 80% DOD. Discharging to 50% enhances battery capacity, allowing it to produce up to 40% more ampere hours than a full discharge, thus optimizing battery performance. Monitoring the battery’s voltage … Read more

Bluetooth drains battery life by less than 4% during a full charge cycle. Turning off Bluetooth can add 10 to 15 minutes of extra battery life. This improves overall device performance, especially for devices that typically offer five hours of screen-on time. Such a small change boosts energy efficiency significantly. Studies indicate that Bluetooth drain … Read more

A 12-volt battery usually self-discharges at about 0.1 volts per month, resulting in an approximate 10% capacity loss over time. To protect battery health when the vehicle is idle, use a battery maintainer. This device prevents significant discharge and helps extend the battery’s life. Current trends in battery technology focus on improving efficiency and longevity. … Read more

The car clock draws a small current, around 25mA or less. This should not cause significant battery drain. However, if your battery drains quickly, check other components, like the stereo memory or alarm system. A healthy battery can last about 10-12 hours with normal electrical draw when the vehicle is off. Understanding current draw from … Read more

A typical parasitic drain for newer cars is 50 to 85 milliamps. Older cars usually have a drain under 50 milliamps. Any drain above these levels is excessive. This higher drain can stress the battery, quickly deplete its charge, and ultimately shorten its life. Typically, a healthy car battery can withstand some parasitic drain. However, … Read more