Here is a 2016 post I found on a Dell support forum:
I have owned 5 Dell Laptops over the past 12 years. Since Windows 7 There is something wrong with the code in dell's configuration or bios. NO ONE will address the issue. I have seen this happen in MANY support sites, and in person. "0% Battery plugged in, not charging". If you let your battery die while you are logged into windows 7 or 10, You have about 75% chance of getting this message. Sorry there is no update that I know of, there is no setting that has worked and I have tried 8 different recommendations. Nothing...
Bowline
New Member
Last Activity: 06-18-2025, 11:53 AM
Joined: 06-08-2025
Location: Londonderry, NH
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I have several genuine Dell power adapters suitable for E6400 or E6410 notebooks that I use. All of these power adapters worked OK with this battery before it got stuck at 1% charging.
This battery is a 9 cell knockoff of a Dell PT434 type removable battery - not a genuine Dell battery.
I would like to provide some more information about my experience with this battery to explain why I think this battery may not be "permanently" locked.
I bought the battery a year ago. When I first received the battery, I charged it to 100% with the notebook powered...Leave a comment:
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Dell E6400 PT434 type Battery Charging Stuck at 1%. Battery Pinouts?
My question pertains to understanding the control circuity inside a Dell PT434 type battery used in Dell E6400, E6410 and other Dell notebooks?
Does anyone have a circuit diagram for the inside of a Dell PT434 battery and/or a description of how the control lines work to control this battery?
My reason for asking is I have a battery which I cannot get to charge beyond 1% in a Dell E6410 or E6400.
The LED bar graph charge indicator on the battery shows one LED lighted when the info button is pressed.
I have tried multiple different Dell power adapters. My Dell... -
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