We use high quality battery, manufactured by Japanese battery giant to produce the CMOS battery.
The battery comes with a standard connector, MOLEX 51021-0200 1.25 mm Pitch connector. Please check the polarity of connector on 4th images and the compatibility on the description page
Connector: 2 pins and 2 wires; Red(+, Posive), Black(-, Negative)
The professional anti-static packaging bag provides the safe protection on the battery product. Please refer to the last image
Each item is tested before shipping. what you see is what you get.