EBL 906 Manuel D'instructions page 8

TO PROTECT YOUR CHARGER & BATTERIES
When installing battery for charging, make sure to insert the negative(-)
terminal of battery first, then press the top of battery to connect the
positive(+) contact the plate. Incorrect direction to install the battery
will cause damage to the negative terminal of the charger and the
battery sleeve.
Correct direction to
install the battery
AAA batteries / AA batteries
C batteries / D batteries
Incorrect direction to
install the battery
AAA batteries / AA batteries
C batteries / D batteries
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