3V 20mm Lithium Ion Coin Cell CR2032 jumper which is why they are

which is why they are also known as guitar jacks

Motor Shaft Diameter  4

Gold for these 4

Stand off voltage range: from 5 V to 188 V

True read-while-write operation

3V 20mm Lithium Ion Coin Cell CR2032 jumper which is why they areThe Lithium Ion coin cell battery has an operating voltage of 3V and it is the most popular coin cell in use right now. The lithium is found in Panasonic coin cell batteries. For equipment that needs a reasonably high current, the CR series, with its high energy density, is the best choice. They are ideal for tiny, low power devices since they are both small and light. Although they have a high internal resistance and cannot be recharged, this