These battery holder cases can be used as a perfect external power source. You can use thess cases with your own batteries to form power system supply. Featuring simple DIY recharge power supply, wires of the box measure approx. 6.3 inch long for soldering and connecting.

Description:

• DIY power supply, easy installation
• With a cover, on/off switch at bottom
• Cases for rechargeable battery
• Compact size, convenient to carry
• Battery Type: 4pcs AA batteries
• Support 4pcs of AA battery to make 6V power supply (battery is not included)
• Size (L x W x H): Approx. 2.7 x 2.5 x 0.7 inch
• Material: Plastic
• Color: Black

Package Includes:

• 5 x Battery Case