Stealth B-52 Owner's Manual page 13

STEALTH ELECTRIC BIKES OWNER'S MANUAL
Ensure Remove the 4 bolts with a 4mm hex key.
Before installing the battery, remove the make sure that the foam surrounding the battery position is in place and intact.
foam is clean and clear of obstructions
Ensure foam is clean and clear of obstructions
There are two different capacity batteries used for the P-7. They are slightly different sizes. The larger of the two will have
two distinct plugs exiting the battery, the other will have just one. The P-7 with a smaller battery will come with an adapter
installed on the bike so the battery can be plugged in directly to the P-7.
The foam that retains your battery will have been installed to fit the battery capacity ordered with your bike.
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