Skip to main content
Physther's user avatar
Physther's user avatar
Physther's user avatar
Physther
  • Member for 7 years, 5 months
  • Last seen more than a month ago
15 votes
4 answers
26k views

Does a generator produce voltage or current?

13 votes
3 answers
7k views

Takes days to charge phone from 10W solar panel

4 votes
3 answers
2k views

Solar watering system for greenhouse [closed]

4 votes
2 answers
368 views

Why is the resistance in a double-cone conductor higher at the positive terminal?

3 votes
3 answers
2k views

Fruit juicer motor generates very low voltage

1 vote
4 answers
379 views

Is current calculation in copper wire for AC simple or not?

1 vote
1 answer
105 views

Is there any risk in leaving a Li-ion connected to a solar panel with only step-down converter?

1 vote
3 answers
701 views

Measure current with a Branford Multimeter

0 votes
3 answers
2k views

Can a Li-ion battery be discharged in CV mode?

0 votes
0 answers
64 views

Can I charge a Li-ion cell with high voltage until reaching the nominal one?

0 votes
1 answer
367 views

Voltage oscillates continously in USB Li-ion charger. Anomaly or CC/CV behavior?

0 votes
2 answers
762 views

How does the current get distributed in a Serial-Parallel battery pack?

0 votes
1 answer
428 views

Voltage drops to 3V when connecting USB to 5V Source

0 votes
2 answers
106 views

DC/DC converter solar without current variation?

0 votes
3 answers
4k views

What is the role of shunt in a Power Meter?

0 votes
1 answer
1k views

Boost converter drops voltage to 0 V when activated.

0 votes
3 answers
2k views

How to build Li-ion over-discharge protection board

0 votes
0 answers
7k views

Use the BMS from laptop battery for single cell

0 votes
1 answer
445 views

Solar charger not working