booster charge

14 LETTERS · STARTS WITH B

booster charge is a valid 14-letter word worth 21 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

B3O1O1S1T1E1R1C3H4A1R1G2E1

3 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 4 + 1 + 1 + 2 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does booster charge mean?