Battery case box holder adopt flame retardant material, high temperature resistance, durable, not easy to deform.With On/Off switch, you can cut off the power when not in use, and you don't need to worry about the loss of equipment and batteries if you connect the device for a long time.And with USB female plug, no welding is required, and the connection is more convenient.

Specification:
Product Name: Battery Holder.
Material: Plastic.
Battery Model:AA.
Number of Bbatteries: 4.
Output Voltage: 4.8V-6V.
USB Cable Length: About 110mm/ 4.3inch.
Size: (L X W X H) About 69 x 63 x 18mm/ 2.7 x 2.4 x 0.7inch.

Notes:
1. Manual measurement, please allow slight errors on size.
2. The color may exist slight difference due to different screen displays.

You will receive:
1pcs of 4 x AA Battery Holder Case Box.