2S 18650 Battery Holder Case for 7.4V Li-ion Battery Pack

2S 18650 Battery Holder Case for 7.4V Li-ion Battery Pack

This 2S 18650 battery holder is used to hold two 18650 lithium-ion cells in series to create a nominal 7.4V battery pack. It is useful for robot cars, portable electronics, rechargeable LED lights, DIY UPS systems, sensor nodes, and battery-powered projects. The holder makes it easier to insert, remove, and replace batteries without directly soldering to the cells. It is suitable for prototyping and compact power supply designs. Package includes the same components as the picture.