battery backup/surge protection receptacles
/ˈbeɪsən ˈɹɛntʃ/
n
English · battery backup/surge protection receptacles中文 · 备用电源防浪涌插座Español · toma contra sobretensión alimentadas por bateríasFrançais · prises antisurtension alimentées par batterie
意味：Antisurge jacks attached to a battery so that equipment connected to them have electric power in the event of a power outage.