How to choose notebook power adapter?
Now there are more and more power products, how do we choose a perfect charger when our notebook power needs to be replaced? 1. Choose a brand: Now online sell a lot of unqualified products are...
How to Test a Laptop Adapter
Laptop computers are one of the many items that we use that depends on a rechargeable battery to keep it up and running. When your laptop fails to stay charged or to charge at all, it is time to...
Teach you "a few axes" to get the charger and discharge safety of mobile phone charger
Lithium-ion battery charging safety of mobile phones is increasingly valued by consumers. Therefore, charger manufacturers must master the specifications and characteristics of lithium-ion batteries...
Circuit Design of 65W Laptop Adapter
Probe domestic double-head probe 038-BB-5.7L The shape of the two ends of the needle is outside the pointed needle Photocoupler Summary: The power supply design uses the TOP259EN device. The...