Feature 1EXCELLENT DESIGN: The battery tester adopts acrylic shell baffle design to make the tester durable and beautiful 2TEST DETAILS: The battery tester supports 1 to 24S lithium battery packs(battery voltages range from 2V to 4.5V), with an accuracy of about 0.003V for each battery string 3DATA DISPLAY: The battery tester displays each string voltage, total voltage, maximum string voltage, minimum string voltage, maximum voltage difference of the battery pack, average voltage, balance voltage, battery string number 4AUDIBLE ALARM: This battery tester has reverse connection, high voltage warning and prompt(greater than 4.5V), low voltage(less than 2V) 5EASY TO USE: The battery tester supports hybrid plug(no need to start from B1), supports C type and DC power mode(DC5V), support Chinese and English switching, more convenient to useItem Type: Lithium Battery Voltage DetectorSupport Battery: 1S~24S lithium battery pack(DC2V~DC4.5V battery)Accuracy of Each String Voltage: About 0.003VWarning: Reverse connection, high voltage(greater than DC4.5V), low voltage (less than DC2V) warning sound and promptPower Supply: Type C and DC(supply voltage DC5V)Mix Up: Support(don't start with B1)Language: Chinese or English(switch) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Host1 x USB Cable1 x Expansion Board