T Plug - Mayatech 3 in 1 Lipo Battery Discharge Tester USB Discharge Indicator 2S-6S 5V Step-Down Mo

Specification:
Input voltage: Input voltage 7-28V (including car 12V), with reverse connection protection (no need to worry about the wrong connection between positive and negative).
Output voltage: USB output 5V2A (adaptive)
Version: T plug version /XT60 plug version (2 choose 1)
Product application: lithium battery can be used as a power bank (equipped with USB data cable by yourself)
Packing size: 85*15*10mm
Total weight: 20g

Product Features:
1.Aviation model lithium battery can be used as a power bank.
2.Air model enthusiasts will have a lot of lithium batteries, you can use idle lithium batteries or aircraft after the motor to charge the phone.
3.Can be used as a battery display.
4.Check the battery voltage at any time to avoid overdischarge of lithium battery (only check the total voltage).
5.It can be used as a 5V step-down module.
6.Cut the output + and -