brand new CR2016 rtc battery Compaq Armada Real Time Clock Battery 152605-003 for Hewlett Packard Compaq Armada M700 New cmos bios battery for HP Compaq Armada. The peformance of a new cmos battery will bring back the power computing to your notebook that has lost it's date/time sequence. This item is the same battery type as the one that's in connected to your HP Compaq where it will be inserted into a small connector that's on the motherboard. This is not the main battery that subs for the AC/DC adapter brick, rather the purpose of this battery is solely for the firmware of the bios chip to maintain date/time clock functions while the notebook is not in use. The cells inside is a new CR2016 so they will provide ample longevity to your notebook

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