Browning Trail Cameras External Battery Pack Camo BTC XB. This trail camera battery pack manufactured by the experts at Browning Trail Cameras is micro sized and holds 8 AA batteries in the easy to use battery tray. The Browning Trail Cameras External Battery Pack includes a built in battery tester and a twist lock plug to lock the power adapter to the camera. Specifications for Browning Trail Cameras External Battery Pack: Manufacturer: Browning Trail Cameras Color: Camo Battery Type: AA Battery Quantity: 8 Package Contents: Browning Trail Cameras Power Pack Browning Trail Cameras BTC XB: External Battery Pack Camo