storage-battery grid

NOUN
20 LETTERS · STARTS WITH S

storage-battery grid is a valid 20-letter word worth 26 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1T1O1R1A1G2E1-0B3A1T1T1E1R1Y4G2R1I1D2
1 + 1 + 1 + 1 + 1 + 2 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 4 + 0 + 2 + 1 + 1 + 2 =26 PTS
DOUBLE WORD → 52TRIPLE WORD → 78
MEANING

What does storage-battery grid mean?

NOUN · 1 SENSE
1

A perforated or corrugated metal plate used in a storage battery as a conductor and support for the active material.

SYNONYMS
BROADER