The battery box can accommodate a standard 9V battery. Hold 1 standard 9V battery. This battery holder with cover and switch, Can be used as a perfect external power source. High-quality battery box with wires, easy to connect.
eBay
Hold 1 standard 9V battery. External Connection: 2.1 x 5.5dc RP-SMA Male. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. Plug Size: 5.5 x 2.1mm.
eBay
VARTA Alkaline INDUSTRIAL PRO is particularly designed and produced for professional usage. Expert level energy with superior quality keeping you independent in many special situations. VARTA premium batteries are the perfect match if you are looking for a hassle-free battery solution for your device.
eBay
Hold 1 standard 9V battery. External Connection: 2.1 x 5.5dc RP-SMA Male. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. Plug Size: 5.5 x 2.1mm.
eBay
Style: 1 x 1.5V AA5 battery. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing.
eBay
Hold 1 standard 9V battery. External Connection: 2.1 x 5.5dc RP-SMA Male. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. Plug Size: 5.5 x 2.1mm.
eBay
Hold 1 standard 9V battery. External Connection: 2.1 x 5.5dc RP-SMA Male. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. Plug Size: 5.5 x 2.1mm.
eBay
PP3 clip type with cable shown.
eBay