Solarc scottyPro Mode D'emploi page 19

The rear input jack is also used for connecting the optional booster solar module to scottyPro. It boosts
the charging power by a factor 3 and thus reduces the charging time of the internal batteries by the
same factor (compare table below).
And in emergency cases you even can insert normal Alkaline primary batteries in scotty Pro and
operate or charge external devices with their energy!
M a n u a l s c o t t y P ro Page 5