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HP EliteBook 840 G9 Real-time clock battery
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AED 2
Estimated Delivery: November 4, 2026 - November 6, 2026
Compatible with HP EliteBook 840 G9 series laptops.
3 V lithium battery (with connector) for RTC/CMOS backup.
Helps retain BIOS settings and accurate system date/time when powered off.
Simple installation—minor disassembly required, plug in new battery.
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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