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HP EliteBook 840 G9 Real-time clock battery
AED 2
Estimated Delivery: December 24, 2025 - December 29, 2025
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Compatible with HP EliteBook 840 G9 series laptops.
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3 V lithium battery (with connector) for RTC/CMOS backup.
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Helps retain BIOS settings and accurate system date/time when powered off.
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Simple installation—minor disassembly required, plug in new battery.
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Useful for service or repair tasks when laptop shows rtc‑error or resets on boot.
Description
This RTC/CMOS battery replacement is designed for the HP EliteBook 840 G9. It maintains the system’s real‑time clock and BIOS settings when main power is disconnected. A compact 3 V lithium cell with wire lead, this part is ideal for resolving “date/time reset” or BIOS default issues in your laptop.
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