Vehicle Charging & Electrical Displays

USB Chargers, Voltmeters & Current Displays

DAIER supplies vehicle USB chargers, digital voltmeters, current displays and combined socket panels for equipment and bulk sourcing. Explore standard USB, QC and USB-C PD options, with round panel-mount, rocker-style and plug-in formats. Compare function, electrical specifications and installation details for the exact product.

USB Charger & Voltage Display
  • Charging Interfaces USB-A & USB-C Options
  • Charging Formats Standard USB, QC & PD
  • Display Options Voltage & Current Meters
  • Installation Formats Round, Rocker & Plug-In

USB Charger & Electrical Display Products

DS5+DS1011L+DS2013H-7.2A 2 in 1 Socket Panel with Dual QC3.0 USB Charger and Cigarette Lighter Socket

The 2 in 1 socket panel with LED light combines a dual QC3.0 USB charger socket delivering 18W and a 12V power outlet for multiple charging options.

DS2013H-7.2A-S QC3.0 Car USB Outlet

DS2013H-7.2A-S QC3.0 Car USB Outlet, Dual USB quick Charger Socket with Touch Switch,  12V/24V. Fast Charger Socket Power Outlet for Marine, Boat, Motorcycle, Truck, Golf Cart

DS2013-2 RV USB Socket

DDS2013-2 RV USB Outlet with 3.1A Dual Port and dust cover

DS2013-P6 3.1A Dual Port Marine Socket

DS2013-P6 3.1A Dual Port Marine Socket, Dustproof with LED

DS2013-P10 Switch USB Car Socket

DS2013-P10 Switch USB Car Socket, Quick Charge 3.0 USB Car Charger Power Outlet Adapter Waterproof with ON-OFF Switch LED Digital Play

DS2013-P11 Marine USB socket

DS2013-P11 Marine USB socket, Waterproof QC 3.0 USB Charger Power Outlet with Digital Voltmeter + Ammeter Monitoring for Car Boat Marine Rv Motorcycle Mobiles, single port, red/blue LED for your choice

DS2013-P13 3 Ports 12V USB Car Charger with 30W PD3.0 USB-C and Dual 18W QC3.0 Ports

The 12V USB car charger includes a 30W PD USB-C and dual 18W QC3.0 USB ports with LED voltmeter and ON/OFF switch.

DS2013-P14 Car USB Charger Outlet

DS2013-P14 Car USB Charger Outlet, 5V 4.2A with dustproof cover and digital voltage display

DS2013-P21 USB C Car Charger Socket

DS2013-P21 USB C Car Charger Socket, Qidoe 12V/24V Dual USB Outlet PD3.0 & QC3.0 Car Socket with LED Voltmeter and ON/Off Switch Fast Car Charger for Car, Boat, Marine, Bus, Truck, Golf, RV, Motorcycle

DS2013-E 4.2A Rocker Style USB Charger

DS2013-E 4.2A Rocker Style USB Charger, for iPhone 6 6S Plus Mobile Device, Blue LED Digital Display Voltmeter Monitor Battery Voltage

DS2013L-4.8A Rocker Car USB Charger

DS2013L-4.8A Rocker Car USB Charger, Waterproof 2.4A Fast Charge Mount with LED light, useful for 12V/24V Marine Boat Motorcycle SUV Bus Truck Yacht Rocker Switch Panel

DS2013L-4.8A-V Waterproof Marine USB Charger

DS2013L-4.8A-V Waterproof Marine USB Charger with LED Voltmeter, 4.2A Car Power Outlet for Boat Motorcycle ATV RV Truck

DS2013L-7.2A Rocker Switch Power Charger

DS2013L-7.2A Rocker Switch Power Charger,  QC3.0 Quick Charge with Dual USB ports for Rocker Switch Panel

USB-Z3 Cigarette Lighter USB Charger

USB-Z3 Cigarette Lighter USB Charger, dual 2.1A ports with Digital Display, Compatible with iPhone 12/SE/11 Pro Max XS, iPad Pro Air Mini, Samsung, LG, OnePlus, Pixel - CCBX

USB-Z4 Mini USB Car Charger

USB-Z4 Mini USB Car Charger, Dual Port, 3.1A  Cigarette Lighter Adapter , Phone Charger

USB-B5 USB Fast Car Charger

USB-B5 QC3.0 Fast Car Charger, Quick Charge 3.0 Dual USB Socket Adapter with Voltmeter LED Display 

DS2013L-P21 38W 12V/24V PD 3.0 & QC 3.0 Dual Port USB Rocker Switch Charger

This 38W dual-port USB rocker switch charger features both PD 3.0 and QC 3.0 technology, enabling rapid charging for a wide range of devices via its USB-C and USB-A ports.

Selection Guide

Compare Charging & Display Options for Your Installation

Use these three checks to narrow down the charging module or display instrument for your panel.

Function & Interface

  • Charging: USB-A or USB-C, port count, and standard USB, QC or PD support.
  • Display: Voltage, current or both; standalone meter or charger with a display.
  • Controls: Indicator light, on/off switch and covered ports where required.

Electrical Specifications

  • DC input: Match the charger or meter supply requirements to the equipment.
  • USB output: Compare each port’s profiles and the combined output during simultaneous use.
  • Measurement: For meters, check range, accuracy and the required wiring or sensor.

Mounting & Connection

  • Format: Round panel-mount, rocker-style or plug-in; these are not interchangeable.
  • Fit: Check cutout, panel thickness and rear clearance against the drawing.
  • Connection: Match terminals or leads; confirm included covers, fuses and hardware.

Display Note: A voltage reading does not show current or remaining battery capacity. See the FAQs below for charging and measurement questions.

Applications

Typical Charging & Display Applications

Match charging and display functions to the available DC supply and installation.

Vehicle & RV Panels

Integrate USB charging or voltage displays into dashboard and accessory panels. Compare round and rocker-style mounting with the existing panel layout.

Marine & Outdoor Equipment

Compare covered charging ports and instrument modules for onboard panels. Confirm the documented exposure conditions for the complete connection, including rear wiring.

Equipment & Replacement Kits

Specify consistent charging interfaces, display functions and mounting formats for repeated assemblies. Check included leads, fuses and mounting hardware for the quoted version.

Common Questions

USB Charger & Display FAQs

Answers about charging profiles, meters, installation and ordering.

For a Project Enquiry

Send the DC supply, charging or display requirements and quantity.

Send Project Details

Compare the connector, supported charging protocol and output profiles together. This range includes conventional USB chargers, QC versions and USB-C PD versions. A USB-C connector alone does not establish PD support. Confirm the required device and cable compatibility for the exact charger.

No. Check the available output at each port and the combined limit when several devices are connected. Confirm the supported profiles and any input-voltage conditions for simultaneous use. Do not assume that every port can deliver the total advertised power.

No. The DC input range describes the supply to the charger. USB output voltage and current are separate specifications and can depend on the supported charging profile. Match both sides to the installation and connected devices.

A voltage display shows the voltage at its connection point. Do not assume it measures current, remaining capacity or battery state of charge. For an ammeter or combined meter, confirm the measurement range, wiring diagram and any required sensor or shunt.

Not automatically. Compare the cutout or mating socket, panel thickness, rear depth and terminal or cable arrangement. For covered ports, request the documented protection conditions for the installed assembly, including whether they apply while a cable is connected.

Send the part number or reference photo, quantity and DC supply details. For charging products, include port count, USB-A or USB-C requirements, protocol and simultaneous loads. For meters, include the values to be displayed, measurement range and wiring arrangement. Add mounting dimensions and protection requirements.

Discuss Your Charging & Display Requirements

Send these details with your enquiry:

  • Product: Part number or photo, and quantity.
  • Electrical: DC supply; USB ports and protocol, or meter range.
  • Installation: Panel cutout, wiring and exposure conditions.

Prefer email? sales1@chinadaier.com

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