This battery case can hold 2 parallel 18650 batteries and it can be used as a 7.4 V power supply for your electronic projects. Combined with two 18650 batteries, it makes a convenient power supply, ideal for outdoor environments and small robots.

Pins should be connected in a way that the batteries will be configured in parallel or serial format.

Specifications

• Holds two 18650 3.7 V lithium batteries
• Weight: 14 g
• Size: 78 x 40 x 21 mm