Look on the back of your laptop charger and you’ll find a mess of symbols and numbers. We’d bet you’ve looked at them before and gleaned little or no understanding from what they’re ...

There’s an old laptop power supply providing 19 VDC, a dual-MOSFET board, a potentiometer, and a simple signal generator. The pulses from the signal generator trip the MOSFET, which in turn ...

So you’ve shelled out to buy a lightweight laptop, but for charging its battery you’re still stuck with a huge charger. Startup FINsix has come up with a better way than using the typical ...

Not only has this charger saved me a lot of space in my tech bag, it’s completely eliminated the need to bring my laptop charger with me at all. Finding a charger with the right wattage to match ...

We've got these best portable chargers ranked in order of what we would buy, with shoutouts for the best portable charger ... in publications such as Laptop Mag, PC Mag, and various independent ...

If you want one that’ll charge your phone more than once, a portable charger with 10,000 mAh is a better choice. Some power banks can even recharge a laptop, though you’ll have to double check ...

After that's done, connect the charger and try to turn your laptop on. If it works properly without the battery, then your ...

Gunk happens! Here's how to clean up your laptop's act—from the top bezel to the bottom fan—without inflicting harm. (It's easy, and you can use products you have around the house.) Computers ...

We were able to pack a bulky Lenovo charger into the front pocket of the Bagsmart sleeve and still close the laptop inside the main compartment, all without straining the zipper. A tip from our ...

Anyone looking for a fantastic gaming laptop. You can play most games on the High or Ultra graphics preset and the 90 watt-hour battery will keep you going long into the night. The 1600p IPS ...

The average cost for polycrystalline solar panels ranges from $0.90 to $1.50 per watt. Both polycrystalline and monocrystalline solar panels are photovoltaic (PV) solar panels. They convert ...