Cr2032 battery starting at $4.99 for a pack of 5. Wholesale discounts as low as 20cents each. CR2032 batteries are used in a variety of devices but most commonly known as a CMOS replacement battery. The CR2032 battery is used in low drain power applications like LED candle lights and car remote controls.  Due to the low self-discharge rate of LiMn02 batteries they have an extremely long shelf life. Typically lasting for 10+ years while retaining 70% of it’s original charge.