1.ce 2.factory 3.full power 4.modified sine wave 5.DC12/24V to AC110/220V,60/50Hz ac dc power inverters 2000wmodified sine wave 12v power inverter 3000w with charger1.ce certificate2.full power watt3.modified sine wave4.DC12/24V to AC110/220V This is new for busines,travelling,outdoor area working with your 250mAh battery;otherwise,connect the inverter to the AC power,charging to your battery ...