Replacement battery for Inovance Motor Absolute encoder. Specifications: 2600mAh, 3.6V, Li-SOCl2. Compatible with: Inovance Motor Absolute encoder, Delta Servo Driver. Replaces: Siemens S6-C4, Siemens S6-C4A. Siemens replacement battery designed for Programmable Logic Controller (PLC) devices. Tested for reliability and long service life.