cr2032 button battery calculator clock weight scale computer motherboard 1 yuan/piece

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Description

item no.: 2235

The most cost-effective button battery is particularly suitable for use in calculators, clocks, computer motherboards, scales, remote controls, and more.

100% lead-free and mercury-free

The product performance is stable and reliable, with a low self-discharge rate and strong resistance to leakage. It is widely used in computer motherboards, music cards, calculators, electronic clocks, electric toys, miniature instruments and devices, medical devices, LED lights, card readers, small household appliances, security devices, remote controls, electronic scales, electronic dictionaries, MP4 players, digital cameras, backup power sources for various electronic products, communications, digital electronics, IT, and other portable electronic power supply products.

About button batteries:

Due to their small size, button batteries vary in diameter from 4.8 mm to 30 mm, and thickness from 1.0 mm to 7.7 mm. They are generally used as backup power sources for various electronic products, such as computer motherboards, digital watches, electronic dictionaries, electronic scales, memory cards, remote controls, and electric toys.

(1) Silver oxide batteries come in two series: “SR××” and “SR××SW”.

(2) The difference lies in the varying levels of oxidized silver in the battery: the “SR××” series contains low levels of silver, while the “SR××SW” series contains a higher amount of silver.

(3) In terms of battery performance, the main difference lies in the significant variation in discharge time on the 1.5V platform. The “SR××” series has a shorter discharge time, while the “SR××SW” series has a longer discharge time. Approximately 90% of its lifespan occurs above the 1.5V platform.

3V lithium button batteries are commonly used in security systems and access control systems; some watches also feature lithium batteries. The lifespan of lithium batteries is2In general, users generally don’t have to worry about battery expiration over the years.

Update time：20260715082904