{"product_id":"04x0443-laptop-cmos-battery","title":"Lenovo Laptop CMOS Battery - 04X0443","description":"\u003cp\u003eEnsure accurate system time, BIOS settings, and hardware configuration with the Lenovo Laptop CMOS Battery 04X0443. This small but essential component powers the motherboard’s real-time clock and stores BIOS settings when the laptop is powered off. A failing CMOS battery can lead to incorrect date\/time, boot errors, or repeated BIOS resets.\u003c\/p\u003e\u003cp\u003eBuilt with reliable lithium-cell technology, the 04X0443 CMOS battery is designed for long service life and stable voltage output. Its durable construction ensures consistent performance, helping maintain system settings even during extended shutdown periods.\u003c\/p\u003e\u003ch3\u003eInstallation \/ Replacement Instructions\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003ePower off the laptop and disconnect the AC adapter.\u003c\/li\u003e\n\u003cli\u003eRemove the bottom cover following Lenovo service guidelines.\u003c\/li\u003e\n\u003cli\u003eLocate the CMOS battery on the motherboard.\u003c\/li\u003e\n\u003cli\u003eCarefully disconnect and remove the old battery.\u003c\/li\u003e\n\u003cli\u003eInstall the new 04X0443 CMOS battery in the correct orientation.\u003c\/li\u003e\n\u003cli\u003eReassemble the laptop and enter BIOS to reset date and time if required.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eCompatible with select Lenovo laptop models, this OEM-quality CMOS battery ensures reliable system memory retention and stable BIOS operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaintains BIOS settings and system clock accuracy\u003c\/li\u003e\n\u003cli\u003eReliable lithium-cell power for long-lasting performance\u003c\/li\u003e\n\u003cli\u003ePrevents system time loss and boot configuration resets\u003c\/li\u003e\n\u003cli\u003eCompact design for direct motherboard installation\u003c\/li\u003e\n\u003cli\u003eCompatible with select Lenovo laptop models\u003c\/li\u003e\n\u003cli\u003eOEM-quality component for dependable system stability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lenovo","offers":[{"title":"Default Title","offer_id":42411196448977,"sku":"04X0443","price":77.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/2291\/1953\/files\/imageDisplay_d0e28f16-57d1-4e93-b7d6-f61e01831dbc.jpg?v=1733658129","url":"https:\/\/lenovopartsstore.com\/products\/04x0443-laptop-cmos-battery","provider":"LenovoPart","version":"1.0","type":"link"}