silver-zinc storage battery

silver-zinc storage battery

[′sil·vər ¦ziŋk ′stȯr·ij ‚bad·ə·rē]
(electricity)
A storage battery that gives higher current output and greater watt-hour capacity per unit of weight and volume than most other types, even at high discharge rates; used in missiles and torpedoes, where its high cost can be tolerated.