The 18650 lithium battery is a commonly used lithium battery in electronic products. It is often used in batteries of laptop computers and power banks
This 2 x 18650 battery holder has inner connection in series, with a DC 2.1 power jack which provides 7.4V output. You can connect any of your Arduinos directly.
Battery Model: 18650
Cell Number: 2
Output Voltage: 7.4V
Plug form: DC 2.1 Standard (outer diameter 5.5, inner diameter 2.1)
Dimensions: 77.9 x 40.1 x 21.4mm
1 x DF Robot 2 x 18650 Battery Holder + DC Jack 2155
18650 Battery Holder, 2 Cell, Wire Connection
This 18650 battery case holds two (2) 18650 lithium-ion batteries connected in series, providing approximately 7V output (~3.7V x 2). The holder includes..