An alkaline 9V battery has a capacity of about 560 milliamp-hours. A fan drawing 50 milliamps will therefore run for some 11 hours. Can a 9V battery run a 12V fan? Assuming this is a DC fan: Although the fan … Continue reading →

Unlike your cell phone battery, LaMay says keeping your phone charger plugged all the time probably won’t have any effect on it’s lifespan. “Chances are that you will change phones (and chargers) long before your current charger stops working,” he … Continue reading →

There are multiple reasons why you’re supposed to restart your phone at least once a week, and it’s for a good cause: retaining memory, preventing crashes, running more smoothly, and prolonging battery life. Let’s talk first about all the apps … Continue reading →

AC charging for electric vehicles It’s called the “onboard charger” though it really is a converter. It converts power from AC to DC and then feeds it into the car’s battery. This is the most common charging method for electric … Continue reading →

A Powerline adapter is a device which uses your homes electric wiring to transmit communications signals. The adapters (at least two) plug into your wall sockets and use Ethernet cables to connect to your router at one end and your … Continue reading →

Wireless internet access relies on devices that require power such as our towers in the field or routers in the home. When the power goes out, those devices stop working, which means you’ll lose your connection. Can power supply affect … Continue reading →

New Zealand’s electricity supply runs at 230/240 volts, and we use angled two or three pin plugs (the same as Australia and parts of Asia). Does NZ use EU plug or US plug? If you bring electrical appliances from North … Continue reading →

No, lightning is not attracted by very much of anything. Does lightning affect WiFi router? The answer is quite simple. If there is any lightning whatsoever, unplug your modem / router immediately!In fact, all of these things actually “attract” the … Continue reading →

This means that if a laptop is on for eight hours a day, it will cost 5p a day to run the laptop (based on an average energy unit cost of 12.5 p/kWh). How much electricity does a laptop use … Continue reading →

Thanks to the Satechi Type-C Pass-Through USB Hub, you can charge your MacBook as well as easily convert a Type-C USB port to two USB 3.0 ports, and SD card slot, and a Micro SD card slot. Supports MacBook 12″ … Continue reading →

MFi certification stands for Made for iPhone/iPod/iPad. It’s a program that producers of accessories for those devices must go through to have their hardware approved by Apple. It’s a stringent process, but when a product is MFi-certified, you can be … Continue reading →

Can I connect iPhone to MacBook via BlueTooth? Click the Apple menu icon → System Preferences → BlueTooth → Turn On BlueTooth. Select your iPhone → Connect. How do I connect my iPhone to my MacBook 2020? Set up syncing … Continue reading →

Charge the battery Connect iPhone to a power outlet using the charging cable (included) and an Apple USB power adapter (sold separately). Place iPhone 8 and later face up on MagSafe Charger or MagSafe Duo Charger (connected to Apple 20W … Continue reading →

Common Watts to Kilowatt-Hour Conversions Power in Watts Energy in Kilowatt-hours Electricity Cost 700 W 0.7 kWh $0.084 per hr 800 W 0.8 kWh $0.096 per hr 900 W 0.9 kWh $0.108 per hr 1000 W 1 kWh $0.112 per … Continue reading →

It is on this principle that fast charging works. Qualcomm uses high voltages, whereas OPPO pushes more amperage to the phone. Qualcomm’s Quick Charge technology delivers a higher voltage to the battery to expedite charging time. How can I get … Continue reading →