We are offering maxell 3.6v lithium battery er1750. size(mm):17.5*50.5capacity:2750mah voltage:3.6 v weight:20 g product advantage:high density, high capacity, low self-discharge rate, use temperature scope width (- 55 + 85 degrees celsius) and good durability scope of application:numerical control machine, server, programming, plc, cnc, injection molding machine, printing machine, touch screen and electric meter, water meter, real-time clock, memory backup power supply, all kinds of measuring instrument, special electronic equipment, etc