LR921 battery_Sino Technology Manufacturer Group co.,ltd

LR921 battery

Is the lr920 the same size as the sr920

no the same. The size of LR920 and SR920 is not exactly the same. The size of LR920 battery is 20.1mm×31.6mm, while the size of SR920 is 20.6mm×30.2mm. Material, capacity and voltage will also vary.

What is the difference between the watch battery sr921 and sr920sw

①. What is the difference between the SR921 and SR920SW batteries for the above watches? The problem is this. The SR921 is a silver-zinc battery. Because of heavy mercury pollution, LR921 is now used in domestic production.

Alkaline material

Replacement.

②. Regarding the sr902sw battery mentioned above, it is made of mercury, so the size of the two batteries is the same, and there is no difference.

Product parameter