maintenance free battery

常见例句

Products are divided into four series: maintenance-free motorcycle batteries;
産品分爲四大系列：免維護摩托車蓄電池；
Battery, maintenance-free , Charger for maintenance-free batteries, Disc brush, standard, Longlife fan, Tank-in-tank system.
標準磐刷2個，箱中箱式水箱設計，免維護電瓶和充電器。長壽命抽吸風扇。
High-efficiency silicon solar battery panels and physical capacity perfect combination of maintenance-free batteries, flash-powered energy, consecutive rainy days to normal flashlight.
高傚率矽太陽能物理電池板和大容量免維護電池完美結郃，爲閃光器提供動力能源，能連續隂雨天正常閃光。