Sony confirmed that the app will be offline from 1 August 2020 onward, and that if the app is uninstalled at that time, all data will be lost. We’ve already reported numerous times on other apps that Sony has retired. … Continue reading →

The difference between AC charging and DC charging is the location where the AC power gets converted; inside or outside the car. Unlike AC chargers, a DC charger has the converter inside the charger itself. That means it can feed … Continue reading →

Yes, the “ground” lines (positive or negative) should be connected together, but to avoid interference from heavy currents in one power loop inducing noise in another, they should best be connected in a star configuration, so that they share the … Continue reading →

The charging stations provide high-power direct-current (DC) charging power directly to the battery, bypassing the internal charging power supply. In September 2017, Tesla announced the availability of urban Superchargers. Are Superchargers AC or DC? Tesla Superchargers are what are known … Continue reading →

Anything can catch fire if you get it hot enough. Normally, phone chargers get a bit warm, but not hot enough to ignite. If there is an internal fault in the charger, then it can ignite. Are plugged in chargers … Continue reading →

In all cases with lithium batteries: If the charge voltage is lower than the nominal pack voltage you’ll not charge the battery; if it higher you’ll have a fire or be lucky and just ruin the cells. What happens if … Continue reading →

Can DC power be reversed? The electrons switch the direction they’re moving in, so it’s kind of like if you plugged DC into something, and then hooked that DC to the other side of the appliance, only 60 times per … Continue reading →

Which wire is hot on cigarette lighter plug? Hot is the center pin. If the jacket sleeve is hot, the wires are reversed. With a plastic fairing, the lighter will work either way. What is positive and negative on a … Continue reading →

Can you use a USB as a power supply? A very useful source of DC voltage is almost guaranteed to be in your pocket and all around you: USB (Universal Serial Bus). Early USB power was only 100mA and 5V, … Continue reading →

Current equals wattage divided by voltage, so the average phone charger is drawing 0.3 amps from a 12-volt battery. How many amps does a 12V USB charger use? Too Much Power Newer car models don’t typically come with cigarette lighters … Continue reading →

Answered 6 years ago · Author has 435 answers and 1.9M answer views. It means that power supply is capable of giving a max current of 3.42A keeping tension at 19V nominal. Big currents are required for faster battery charging, … Continue reading →

Macs With M1 Chip Apple has released the 2020 ‌MacBook Air‌, 13-inch MacBook Pro, and ‌Mac mini‌ with M1 chips, replacing the low-end machines in those lineups. Apple has also introduced M1 versions of the ‌iMac‌ and the ‌iPad Pro‌. … Continue reading →

Golf carts typically use a 48 volt battery bank so a conventional 12 volt automotive battery charger won’t work. The 48 volt pack is generally made from 12 volt batteries in series it can be disassembled and the individual batteries … Continue reading →

What voltage is too low for a 9-volt battery? In the case of 9V batteries used in smoke alarms, smoke alarms start functioning between 6V to 7.6V. If the voltage falls under 6V for this device, then a particular 9V … Continue reading →

If one of these wires breaks or becomes dislodged, the electrical current won’t flow correctly though the device. At best, this ruins your device. At worst, the misdirected current could give a nasty and potentially lethal shock. The third prong … Continue reading →