维曼 呼吸机 VENTIlogic LS PLUS 充电电池说明书 Info on Weinmann Li-Ion Rechargeable Battery Technology Internal rechargeable battery VENTI logic LS and VENTI logic plus. External replaceable battery WM 27880Internal rechargeable lithium-ion (li-ion) batteries (39.6-volt /3100 mAh) are used in ...