Battery holder are used to hold separate cells/battery. It is used to hold the cells securely and power the device it is attached to. Useful in electronics prototyping and projects. Here are the some of the Battery Holder that are in stock and ready to ship on Fastdep.in: Battery Connector for 9V Cell, Battery Holder for AA Size, 1 cell, Battery Holder for AA Size, 2 cells, . At Fastdep.in we bring you the highest quality products at best price.