ModeL24/1548/1548/30110/05110/10220/05220/10 Cell voltage measurement type2V/6V/12V Cell voltage measurement range2V:04V;6V:08V;12V:015V Cell voltage resolution2V/6V:0.001V;12V:0.01V Voltage measurement range of battery string030V060V060V0135V0270V0270V String voltage resolution0.01V0.1V Voltage testing accuracy0.5% Discharge current working range2A150A2A150A2A300A250A2-100A250A2100A Constant current discharge voltage range21V30V42V60V42V60V90140V90140V180270V180270V Discharge PowerMax. 4.5kwMax. 9kwMax. 18kwMax. 7kwMax. 13.5kwMax. 13.5kwMax. 27kw Current testing accuracy1% Battery capacity check range20Ah1500 Ah20Ah1500 Ah20Ah3000 Ah20500Ah201000Ah20500Ah201000Ah Current testing accuracy1% Capacity check testing range extensionOne external load added, the testing capacity range doubled Cell data collection methodwire,wireless(optional) Monitoring current range0300 A Working voltageAC220 Cooling modeRefrigeration by blast Working environment;20%80%RH Storage condition-20;C storage and transport Communication modeRS232 communication Data storage modeSD card Display mode4.7 inch TFT Instrument dimensions(mm)400*243*301430*248*381400*243*301 Weight(Kg)141714 Carry methodPortable type Dimensions : 40*24*30cm Weight : 13kg Packing: as your option