Battery type: Li-Ion - no memory-effect Capacity: 30 mAh Voltage: 3 V Energy: 0.09 Wh Colour: black Height: approx. 1mm Number of cells: 1 Weight: 2 g Construction: internal ( BLC-2) Compatible with the following device models: Siemens Simatic Step 7 Micro-Win Siemens Simatic S7-22x CPU Siemens Simatic BC 291 To ensure compatibility, please check to see whether the non-rechargeable battery you are currently using is listed below.
eBay