vented battery

vented battery

[′ven·təd ′bad·ə·rē]
(electricity)
A nickel-cadmium or other battery which lacks provisions for recombination of gases produced during normal operation, so that these gases must be vented to the atmosphere to avoid rupture of the cell case.
References in periodicals archive ?
The National Electrical Code requires a sealed, vented battery enclosure with only a few exceptions.
The enclosure has a lockable door and a separate vented battery compartment, exterior oil and water drains and a hidden exterior fuel drain.