The Octamount Battery Tray holds the AA battery box that comes with the OpenBCI board, or one of the large capacity Lipo cells available from Adafruit. It attaches to the
Octamount using #6 screws. This will allow you to power the headset for a very long time without recharging, typically for several weeks of regular usage. For holding a LiPo pack select one of the following variants
Small - Fits
1200mAh LiPo (38mm x 59mm x 5mm)
Medium - Fits
2000mAh LiPo (36mm x 60mm x 7mm)
Large - Fits
2500mAh Lipo (51mm x 65mm x 8mm)
Extra Large - Fits 4xAA battery box (included with headset)