Would a battery pack phone charger case discharge your phone faster?

Click For Summary

Discussion Overview

The discussion revolves around whether a battery pack phone charger case would discharge a phone's battery faster when connected. Participants explore the implications of leaving a charger plugged in without a power source and the potential effects of charger case design on battery discharge rates.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants suggest that leaving a phone plugged into a charger that is not connected to a power source may lead to faster battery discharge.
  • One participant notes that the discharge rate may depend on the topology of the switching power supply in the charger, mentioning that a diode in the output circuit could limit discharge current to the leakage current of the output electrolytic capacitor.
  • Another participant expresses uncertainty, indicating that they had heard claims about faster battery discharge but lacks specific sources to support their thoughts.
  • There is a call for reputable sources to substantiate claims made in the discussion, emphasizing the forum's standards for evidence-based contributions.

Areas of Agreement / Disagreement

Participants do not reach a consensus on whether battery pack phone charger cases discharge phones faster, and multiple viewpoints regarding the mechanisms involved remain present.

Contextual Notes

Some assumptions about charger design and battery behavior are not fully explored, and there is a lack of specific references to support claims made by participants.

Nerdydude101
Messages
54
Reaction score
0
So supposedly if you leave your phone plugged into a charger but the charger is not pluged into anything then it will discharge your phone faster, so if the charger cases have a charger connector constantly in your phone will it actually discharge it?
 
Engineering news on Phys.org
Nerdydude101 said:
So supposedly if you leave your phone plugged into a charger but the charger is not pluged into anything then it will discharge your phone faster, so if the charger cases have a charger connector constantly in your phone will it actually discharge it?

It depends on the topology of the switching power supply in the charger, but in general there is a diode in the output circuit that should limit the discharge current to the leakage current of the output electrolytic capacitor, which is small.

Can you provide a web link to what you are reading? :smile:
 
I'm not really reading anything specific, the question just sort of piped into my head haha. I had heard before that the battery would discharge faster than it normally would (not that they discharge much on their own anyways) and thought that maybe the cases do that too
 
Nerdydude101 said:
I'm not really reading anything specific, the question just sort of piped into my head haha. I had heard before that the battery would discharge faster than it normally would (not that they discharge much on their own anyways) and thought that maybe the cases do that too

That's one of the important differences between the PF and other forums. We do not allow "I heard" sources. If you have a link to a reputable source, please PM me, and I will re-open this thread.
 

Similar threads

  • · Replies 7 ·
Replies
7
Views
2K
Replies
15
Views
3K
  • · Replies 11 ·
Replies
11
Views
3K
Replies
5
Views
3K
  • · Replies 28 ·
Replies
28
Views
5K
  • · Replies 12 ·
Replies
12
Views
2K
  • · Replies 9 ·
Replies
9
Views
3K
  • · Replies 19 ·
Replies
19
Views
2K
  • · Replies 1 ·
Replies
1
Views
3K
  • · Replies 8 ·
Replies
8
Views
39K