Replacing The Battery - Boya BY-M1 Pro Benutzerhandbuch

Replacing the battery

1. Unscrew the two parts of the power pack and separate the pieces.
2. Remove the old battery from its compartment in the power pack.
3. Place the new battery, with the + and – oriented as indicated, into the battery
compartment in the power pack. The + symbol is stamped inside the compartment for
reference.