Specification: Part Number: CR17335SE Model: FDK CR17335SE (3V) Volts: 3V Capacity: 1800mAh Chemistry: Lithium-Manganese Dioxide (Li-MnO2) Size: 2/3A Category: Non-Rechargeable Lithium Cell for Industrial and Memory Dimensions(mm): diameter 17*height 33.5 Max. recom. Cont. Current: 8mA Storage period: 10 years and above For Epson Robot Battery/Controller RC Series Battery R13B060003/FDK CR17335SE/3v Scope of application: Special lithium battery for mechanical equipment, alarm system, PLC backup memory power supply, servo motor, numerical control system, instrumentation and other electronic products. Package included: 2 X Battery