booster battery

15 LETTERS · STARTS WITH B

booster battery is a valid 15-letter word worth 21 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

B3O1O1S1T1E1R1B3A1T1T1E1R1Y4

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

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does booster battery mean?