Reverse current to the charger?

Ch
2

Is there a reverse current from the battery to the charger, for example in a notebook if the charger is not connected to the socket?

Fa

No, this can be avoided very well with transistors and diodes.

Am

This is the case with high frequency (the standing wave due to reflections and mismatches), but not with DC!

Can I use this charger for my laptop? ga gainful15
  • 5 answers
Subject. Charger notebook. Should have 10V 4.47. Charger with 18.5 V 3.5 A and 19V 3.16 A, 19V 4.74 A. Can you safely use this? Ab Abounding55
  • 6 answers
Lenovo power supply plug bang and burned? Le Leatherold
  • 5 answers
Which chargers can PD-fast charging with 60 W or more? Ke KendallAmelia
  • 1 answer
Google Pixel 3 is totally crazy - what can I do? do donkeysubsequent
  • 4 answers
Old laptop charger = fuses out - new sparks and crackles again? Le Leatherold
  • 15 answers
Why doesn't my laptop turn on anymore?

Why doesn't my laptop turn on anymore?
Nikon camera pictures are missing?

Nikon camera pictures are missing?
Who should I reset my PC when apps just deleted?

Who should I reset my PC when apps just deleted?