【 Package Includes】1PCS Product(As shown in the figure)

Compatible models
for Dell Precision 5510 5520 5530
for Dell XPS 13 9343 9350 9360 9365 9305 7390 9370 9380
for Dell XPS 15 9550 9560 9570

The function of the CMOS Battery is to enable the real-time clock (RTC) of the BIOS to operate normally and ensure that the computer clock function remains accurate.

The main function of CMOS Battery is to save the hardware configuration of the current system and the settings of certain parameters by the operator, so as to ensure that the BIOS information will not be lost whether the computer is turned off or the system is powered off.

STORAGE—No leak, excellent cost performance and long cycle life. Keep the it in 40%-60% charged state during long period storage. We recommend to charge the item every 3 months after receipt of the item and maintain the voltage, and store the item in a cool and dry place. Please keep out of reach of children. Do NOT SWALLOW.

POWER LONGEVITY & ENERGY-SAVING—the item are safe, free of mercury, high pressure and high energy density. Operating temperature range: -20℃ to + 60℃. Durable for long lasting performance. Less than 3% per year at room temperature. Long effective period. Superior high-speed pulse discharge characteristics. Continuous discharge stability. Will not leak in equipment during use and for two years after placed in equipment.