Intuitive Display, Durable And Easy To OperateMeasurement Of Ternary Lithium Battery L From L03 String To L20 String (Power-Off Memory)Lead-Acid Battery P Measurement: DC12V, 36V, 48V, 60V 72V, 84V (Power-Off Memory)Measurement Of Iron Lithium Battery F From String F03 To String F23 (Power-Off Memory)Customized Setting Of High And Low Voltage Range: DC8-100VVoltage Detection Range:DC8-100VWorking Current:less than equal 15mADisplay Mode:LCD ScreenDetection Accuracy:±1%Refresh Speed 500MS/TimeNote:There Are Two Types Of Lithium Batteries (Ternary Lithium L And Iron Lithium F). The Following Will Tell You How To Distinguish Them; First, Fully Charge The Battery. The Saturation Voltage Of A String Of Ternary Lithium Batteries Is Dc4.2v, And That Of A String Of Iron Lithium Batteries. The Saturation Voltage Is Dc3.6v; For Example: The Saturation Voltage Displays 84v (20 Strings), This Is A Ternary Lithium Battery, And Then Select The Parameters According To The Setting Mode Of The Ternary Lithium Battery.Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseType:B:6133A Blue Screen, colors appear only when usedColour:As ShownMaterial:PlasticPackage Contents:1 * Battery Capacity Display ModuleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.