Instructions for Battery Installing
Step 1:
Unscrew the screw which in the battery box, and remove the cover,
lye the box, put the battery into the box one by one
Step 2:
Connect the red wire in the box to battery’s red pole (positive pole)
and fixed by soldering
Step 3:
Connect
the black wire in the box to battery’s blue pole (cathode)
and fixed by soldering
Step 4:
Connect one battery’s red pole (positive pole) to another battery’s
blue pole (cathode pole) by the single red wire
Step 5:
Close the box, screw the battery box. The battery box installation is
done