3 In 1 Lipo Battery Discharge Tester USB Discharge Indicator 2s-6s 5v Step-Down Module Power BankFeatures:1. Aviation model lithium battery can be used as a power bank.2. Can be used as a battery display.3. Check the battery voltage at any time to avoid overdischarge of lithium battery (only check the total voltage)Description:With portable size, it is easy and convenient to carry and use.Specifications:Size: 85*15*10mmInput voltageInput voltage 7-28V (including car 12V), with reverse connection protection (no need to worry about the wrong connection between positive and negative).Output voltageUSB output 5V2A (adaptive)SpecificationT plug version /XT60 plug version (optional)Product applicationlithium battery can be used as a power bank (USB data cable not included )Total weight20gPackage Included:3 in 1 mobile phone charger * 1Notes:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.