Relay battery

(Elec.) the local battery which is brought into use by the action of the relay magnet, or relay.

See also: Relay

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
In [8], a threshold-based "save-then-transmit" scheme is employed at relays, the stored energy level in each relay battery actually forms a Markov chain over time.
We model the capacity of relay battery in two cases, respectively.