Led Digital Display Voltmeter Mini Voltage Meter Lead-acid Battery Dc 24v/12v To 5v Step-down Module Dual Usb Ports 24V lead acid red/dual U

Description

Has complete functions, it can display the battery voltage and battery power, can be directly plugged into a mobile phone or other 5V devices to charge. Suitable for all kinds of outdoor power supplies, mobile power supplies, instruments and other equipment with battery voltage display and USB charging for phones functions Adopts the synchronous rectification step-down chip scheme, which has less heat generation The structure is compact, making full use of the space and reducing the cost