Description: 
Material: ABS impact resistant material Spring: Steel nickel plating Exposed
wire length: 150mm ,3mm Serial line output 4.5V 
This battery box holder with wire leads and cover. 
You can use this case with your own battery to form power system supply. 
With spring clip design, easy to install and remove a battery. 
Perfect for DIY, you can connect multiple holders and batteries in parallel. 
Great for use in electronics applications and small hobby projects. 
Package Contents: 1 x Battery Case