Charger
来自Big Physics
wiktionary
From Middle English chargere, equivalent to charge + -er.
etymonline
charger (n.)
late 15c., "one who loads," agent noun from charge (v.). Meaning "war-horse, horse ridden in charging" is from 1762. Meaning "appliance for charging" in any sense is from 1711, originally in reference to firearms; from 1901 as "device to give charge to an electric battery."
