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HP EliteBook 840 G7 Real-time clock battery
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AED 2
Estimated Delivery: October 13, 2026 - October 15, 2026
Compatible with HP EliteBook 840 G7 series laptops.
3 V lithium coin‑style battery (CR1620 type) with cable/plug‑in connector.
Maintains system time, BIOS configuration and RTC functionality.
Replacement for a laptop showing “RTC error” or clocks resetting.
Easy installation: unplug old battery, plug in new one – minimal disassembly.
Description
This replacement RTC/CMOS battery is designed for the HP EliteBook 840 G7. Operating at ~3 V, it powers the real‑time clock and maintains BIOS settings when the laptop is disconnected from main power. Ideal for machines showing date/time resets, BIOS defaults, or “RTC power loss” errors.
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