LED lights are so bright because they have a high lumen/watt score. Lumens are the measure of the total quantity of visible light emitted. Here is an illustration that demonstrates the difference between a low lumen count and a high … Continue reading →

While in theory 24V stuff can work using 12V, this is not always the case. If I remember correctly, the heat generated in a conductor is proportional to the square of the voltage; fire likelihood is a nasty side effect … Continue reading →

Most battery manufacturers recommend sizing the charger at about 25% of the battery capacity (ah = amp hour capacity). Thus, a 100 ah 24 volt battery pack would take about a 25 amp 24 volt charger (or less). How many … 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 your power jack is connected to the motherboard with a wire, it’s possible to fix the issue by reattaching it to the motherboard and reinforcing it with a heat shrink. If your soldered power jack is wobbling or has … Continue reading →

Super glue is made of cyanoacrylate, an acrylic resin that creates a strong bond almost instantly. The molecules of this acrylic resin react on contact with the hydroxyl ions found in water. What chemicals make up super glue? While standard … Continue reading →

How can I charge my phone with a broken charging port and non removable battery? How to Charge Cell Phone Battery Without Electricity You can charge your cell phone battery with your laptop. Charge using a solar-powered charger. Charge using … Continue reading →

Where to Charge Your Phone when Homeless: 10 Choices Libraries. Public libraries are amazing resources. Public Bus Stops. Many large cities have started installing electrical outlets and solar chargers at public bus stops. Shelters. Benefits Office. Food Banks. Malls. Coffee … Continue reading →

The power within a computer itself is always lower than direct power from a outlet from a wall. When power is distributed through a computer to your phone, that same amount of power is also being used throughout the whole … Continue reading →

Industrial sites including commercial kitchens should have their portable and handheld equipment tested as often as every 6 months. For other stationary, movable or IT equipment, it is recommended to test every 12 months. Is PAT testing required annually? PAT … Continue reading →

For an official answer, you need to contact Apple. And, different users have different opinions. I shut mine down at least 2 – 3 times a week or more as it goes through some maintenance and checkups when booting up. … Continue reading →

Runaway apps, in other words, third-party apps that demand more system resources (especially CPUs) than they should. These apps are either poorly developed or caught in a loop, which can drain battery power and CPU resources. When that happens, it’s … Continue reading →

How to restore battery capacity Discharge the residual current of the battery. Add nano carbon sol battery activator and charge with a current of 100-200mA to 1.5 times the capacity. Recharge with a current of 100-200mA, and discharge again after … Continue reading →

Maybe it feels a little loose, or wobbles back and forth. Or sometimes when it starts charging, it will stop if you bump it, or even randomly stop charging altogether. Annoying isn’t it? Well, typically the culprit is just pocket … Continue reading →

Press and hold the power button for about 10 seconds. Press and release the power button, then immediately press and hold Command (⌘)-R until you see an Apple logo or other image. If you still see a blank screen after … Continue reading →