You can get lower than $14 each in mass-production. About $20 in quantity, like 1000 to 10,000. For a prototype, you’re looking at about $120 for a PCB (Bay Area Circuits proto board). If you can’t hand-solder it, having the … Continue reading →

Because the USB-C plug is symmetrical, it can be inserted either way, eliminating the frustrations of earlier USB ports and putting it on a par with Apple’s reversible Lightning plug. Why does my USB-C only charge one way? The usual … Continue reading →

The role of the ground wire is essential to protecting against electric shocks and to avoiding fires and other hazards in the home. Ungrounded outlets are incredibly dangerous and can pose serious risks to not only your home but your … Continue reading →

The USB Type-C (or USB-C) is a fairly recent connector standard, and became available on Galaxy devices with Galaxy S8 and S8+. Its name basically refers to the physical shape of the plug. In this case, it’s reversible meaning that … Continue reading →

What Battery Does the Canon EOS R6 Use? The Canon EOS R6 camera is supplied with the LP-E6NH battery pack that provides 2130mAh of power at 7.2V. This is 14% more than the LP-E6N battery (1865mAh) and 18% more than … Continue reading →

In Europe the normal power outlets are 230 volts and the high-power appliances are fed 400 volts (formerly 380 volts). Does Europe use 120V or 240V? Europe and most other countries in the world use a voltage which is twice … Continue reading →

How do I turn off the shutter sound on my Sony rx100? Press the rightward control button, select Beep, and press the rightward control button again. The Beep option is displayed. 5. In the Beep options, select Off, press the … Continue reading →

A power supply for electronic devices. Also called an “AC adapter” or “charger,” power adapters plug into a wall outlet and convert AC to a single DC voltage. Computers use multiple DC voltages, and the power adapter is the external … Continue reading →

If you plug a 110 volt device into 220 it will at best damage it, worst case it will be a potential fire hazard. 110 volt light bulbs will just burn out. What happens if I plug 110V to 220V? … Continue reading →

Are there any lithium battery alternatives? Salt. Lithium’s close chemical cousin, sodium, has been the basis for research into new batteries for years now. Magnesium. Lithium and sodium are both good battery ingredients. Seawater. Glass batteries. Fuel cells. Liquid batteries. … Continue reading →

Country-by-country list of plugs, sockets and voltages Country / state / territory Plug type Single-phase voltage (volts) Albania C / F 230 V Algeria C / F 230 V American Samoa A / B / F / I 120 V … Continue reading →

Yes, it’s possible to use a car amplifier in your house. You can also connect a car amp to any home stereo, your smartphone, and more as an audio source. There is a catch, though. Because car amps use a … Continue reading →

Economics and efficiency EnergyVault’s proposed gravity battery system range from 7 to 8 million in building price but has a LCOS of $0.05/kWh and a round-trip efficiency of 88–92%. This is 50% cheaper when compared to the LCOS of lithium-ion … Continue reading →

Batteries predicted to become the cheapest option for storing electricity. By 2050, batteries based on lithium-ion will be the cheapest way to store electricity, such as from solar or wind farms, according to a new study. What is the cheapest … Continue reading →

HydropowerHydropowerHydropower, or hydroelectric power, is one of the oldest and largest sources of renewable energy, which uses the natural flow of moving water to generate electricity. Hydropower currently accounts for 37% of total U.S. renewable electricity generation and about 7% … Continue reading →