DELL 41DJ7 JMN4J CR2032 CMOS BIOS laptop battery

Genuine Dell OEM CR2032 BIOS battery

This is a genuine Dell OEM CR2032 CMOS battery carrying part numbers 41DJ7 and JMN4J. It supplies 3 V to maintain system time and firmware settings when the main power is removed. The coin-cell form factor fits the designated motherboard holder on the listed Dell laptops.

For owners of compatible Dell Inspiron

The battery suits owners of Inspiron 11 3168, 3169, 7386 2-in-1, 7586 2-in-1, 5585, 5485, 5591 2-in-1, 7391 2-in-1, 7400, 5300, 5301, 7300 and Latitude 11 3150, 3160, 7390 2-in-1, 3420 who need to replace a depleted CMOS cell. Builders working on non-Dell platforms or Dell models not listed above should look elsewhere.

Direct 3 V replacement with standard CR2032 capacity

The CR2032 chemistry delivers the expected voltage and capacity for CMOS retention duties across the supported chassis. It comfortably handles date, time and BIOS configuration storage for years under normal use. The cell runs out when its lithium chemistry is exhausted, requiring a straightforward swap to restore firmware persistence.