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