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- HP Community
- Notebooks
- Notebook Boot and Lockup
- Battery only lasts about an hour

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1 REPLY 1
05-19-2025 09:20 PM
Welcome to our HP Community forum!
This would suggest that your battery has been exhausted/spent and likely needs to be replaced.
The part number for the battery in an HP EliteBook 840 is: M73466-005 "SKO-BATT 3C51Wh 4.68Ah LI WP03XL".
You can buy a quality WP03XL replacement battery online, such as this Amazon purchase option: https://www.amazon.com/JIAZIJIA-WP03XL-M73466-005-Replacement-HSTNN-OB2J/dp/B073J4ZYWV/ref=sr_1_2_ss....
Kind Regards,
NonSequitur777
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