The Energizer SR54 (390/ 389) is a Silver Oxide Button Cell Battery with Zero Mercury. It has an average output capacity of 90mAh. The battery is used in watches, toys, glucose monitors and calculators. This silver-oxide battery can be used as a replacement for the following batteries: 10L122, 280-15, 389/390, D389/390, SB-BU, SR1130W, SR54. * Zero Mercury * Ideal for watches and calculators * Long and stable discharge * Nominal voltage 1.55V * Capacity: 90mAh * Dimensions: 11.6(W) x 2.75(D)mm * Weight: 1.35g * Supplied singly * Manufacturer's part: Energizer 638252 https://elecena.pl/product/27890559/energizer-638252-size-sr54-silver-oxide-button-cell 2025-02-22 https://elecena.pl/product/27890559/energizer-638252-size-sr54-silver-oxide-button-cell 2025-06-12 https://elecena.pl/product/27890559/energizer-638252-size-sr54-silver-oxide-button-cell 2025-07-21 https://elecena.pl/product/27890559/energizer-638252-size-sr54-silver-oxide-button-cell 2025-08-31 https://elecena.pl/product/27890559/energizer-638252-size-sr54-silver-oxide-button-cell 2025-11-02 https://elecena.pl/product/27890559/energizer-638252-size-sr54-silver-oxide-button-cell 2025-11-23