Place the battery in between the built-in standoffs. The power cable should be positioned near one of the openings.
Install Circuit Playground
Place the CPB over the mount and line up the standoffs. Orient the power port with the battery cable. Fit the pegs into the pads on the PCB. Press down to snap the tabs over the edge of the PCB.
Secure Bracket to Mount
Place the bracket under the PCB mount and line up the four mounting holes.
Insert four M2.5 x 6mm screws into the holes. Use M2.5 hex nuts secure the bracket to the PCB mount.
Secure Bracket to Bottom
Place the bracket over the built-in standoffs in the bottom half of the emerald.
Use M3 x 6mm machine screws to secure the bracket to the bottom half of the emerald.
Plug in the cable from the battery into the port on the Circuit Playground Bluefruit.
Get the two halves ready to snap fit together. Line up the grabbers on the bottom half with the nubs on the top half. Press together to snap fit closed.
To open, slightly squeeze together bottom half and pull halves apart.
Use the Adafruit Micro-Lipo Charger to recharge the battery when it gets low. Be sure to only use this charger with batteries purchased from Adafruit.