• Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Charged or discharged

Not open for further replies.

Thinh Nghiem

New Member
Dear all,
I have an amusing experiment with my smart phone charger. That is, after charging it fully, I connect its input and output toghether, and get surprise result.
Could you see in my youtube clip and give your explanation here
Thinh Nghiem


Active Member
.... conservation of energy .... and losses in the battery resistance, charging circuit and cable

not interesting in the slightest
Not open for further replies.

Latest threads

EE World Online Articles