他忘了带手机充电器。He forgot the charger for his mobile phone.这种电池充电器是摄影工作者的好帮手。This battery booster is a boon for photographers.这个电池充电器可以插入任何类型的电源插座.The battery charger plugs into any mains socket....

“充电器”的英语可以翻译为：charger ...