Made of plastic, lightweight, convenient to carry. You can use this case with your own battery to form power system supply. This battery box holder has 2 wires terminated with a DC 5.5x2.1 mm jack plug, suitable for 6 x AA batteries providing 9V power supply. With spring clip design, you can easily put batteries in it. Technical Data: Material: ABS Color: Black Wire Length: approx. 14 cm Dimension: approx. 115 x 63 x 18 mm https://elecena.pl/product/22625038/6x-aa-battery-holder-with-dc-5-5-2-1-jack-9v 2023-02-23 https://elecena.pl/product/22625038/6x-aa-battery-holder-with-dc-5-5-2-1-jack-9v 2025-10-28