Synergy CR1616 3V Lithium Battery 8x8 Dot Matrix It features high power density

It features high power density and a very low switching loss

Their low stored charge and hyperfast soft recovery reduce ringing and electrical noise in many power switching circuits

These are Carbon Film Resistor with a value of 91k ohm 1/4W and tolerance of ±5%

Support expanding the utility by SPI pin

On/off function in static relays

Synergy CR1616 3V Lithium Battery 8x8 Dot Matrix It features high power densityThe Synergy CR1616 Lithium Coin Cell is a high capacity replacement battery that's commonly found in calculators, heart rate monitors, remote starters, thermometers, and other tiny electronic devices. This small size battery is made up of Lithium Manganese Dioxide chemistry that not only supplies the cell with the high voltage required for high performance devices but also has a very low self discharge rate, extending the battery's shelf life.