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‎04-27-2026 08:20 PM

HP Recommended
Product: HP Prime Graphing Calculator
Operating System: Other

I have an HP prime calculator. It works great, but it emits a concerning chemically acrid odor when charging. May I get some assistance on this? 

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1 REPLY 1

‎05-03-2026 02:41 AM

HP Recommended

That acrid smell during charging is a warning sign — most likely the battery degrading and off-gassing, or a faulty charger pushing too much current. First try a different quality USB charger. If the smell persists, the battery itself is the issue and needs replacing. Either way, don't leave it charging unattended — a failing Li-ion battery is a fire risk.

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