25 Best Socket Chargers with Voltmeters
for March 2021

Type-C + PD3.0 Output: 5V/3.1A, 7V/2.4A, 9V/2A, 12V/1.5A; USB Type C PD charger charge devices that support power delivery at up to 18W. Intelligently identify your device and deliver the fastest and most efficient power

Waterproof DesignIt designed with a rubber USB cap which enables it waterproof and dust-proof, better protects its internal circuit and enhance its lifespan effectively. Excellent accessories for almost all 12V-24V vehicles, marine, ATV, motorcycle, bike, truck, Golf Cart, RV, Boat, SUV, etc.

Premium material Different from the nylon material on the market, this usb car charger is made of metal shell with better heat dissipation, which has advantage of non-flammable, wear resistant and good stability. The current voltage values can also be displayed when using the fixed protective cap above the USB interface. Besides, the cap effectively protects the charger against sudden water splashes

All-round ProtectionWaterproof power outlet come with cables and built-in a 10A fuse, over-load, over-current and short circuit protection, to ensure charging safety, guard the safety of your devices. the USB socket meets CE/ROHS certification.

ON&OFF SWITCH: Features a push-type button that allows you to turn off the LED voltmeter display easily to save battery when not in use. ( Push type button is more stable on control than other's touch button)

VOLTMETER FUNCTIONFeatures blue LED voltmeter which monitories the vehicle's battery and electrical system automatically and indicating the car voltage in the screen, YonHan dual USB charger socket will let you know the health of battery while driving.

Built-in LED Voltmeter- Comes with LED voltmeter, real time monitories the vehicle's battery and electrical system voltage, let you know the health of battery while driving. easy to check whether the connection is successful and allow quick and easy to find the usb position in the dark or at night.

[Efficient and Smart Charging] 18W(3.6V-12V/3A-1.5A 5v/3a, 9v/2a, 12v/1.5a, etc.) of dedicated adaptive power output for each USB port, Qualcomm Quick Charge 3.0 technology provide 4x faster than conventional chargers. Suitable for all popular QC3.0 devices and deliver the fastest possible charge to non qc3.0 surpported devices.

150W Power Output & Independent ON/OFF SwitchThe upgraded Cigarette Lighter Splitter provides a total power output up to 150W which ensures different devices can be charged at MAXIMUM SPEED. To reduce wear and tear, the two cigarette lighter sockets are designed with independent ON/OFF Switches. No need to unplug your chargers.

All-round ProtectionWaterproof power outlet come with cables and built-in a 10A fuse, over-load, over-current and short circuit protection, to ensure charging safety, guard the safety of your devices. Certified by UL CE & ROHS.

Digital LED Voltmeter - Built-in voltmeter provides a fast and easy way to show the car battery status in the screen. LED luminous digit figure for checking the data at night or in darkness. NOTE: The digital LED display only works when you connect it with battery

Long Life Time with Overcharge Protection: Designed with rocker style switch, easy to use with the long lifespan up to 10000 cycles. Comes with 10A built-in fuse for over-heat, over-current, and over-charging to ensure charging safety

QC3.0 DUAL USB LiDiVi dual USB charger socket has two 18W / 3A QC3.0 fast charging ports, which is 4x faster than conventional chargers. Backwards compatible with Quick Charge 2.0 & 1.0, suitable for all popular USB devices.

Protection CasingDifferent from traditional plastic charger adapter, our 12V / 24V USB car charger socket with the premium aluminum alloy shell which better heat dissipation, scratch resistance and always look like new. Moreover, the protective cap above the USB interface effectively protects the charger from sudden water splashes, allowing you to use it not only on car, but also for marine boat, motorcycle, golf cart, bicycle, truck, ATV, RV, etc.

[Dual QC3.0 USB Ports] Provides 4x faster charging speed to compatible devices. Backwards compatible with Quick Charge 2.0 & 1.0, delivers the fastest possible charge to all non-quick charge device.

Non-Slip Button SwitchOn the basis of the traditional best-selling metal models, it has been upgraded, adding a well-designed non-slip button switch, more stable on control than touch button. The switch can control the LED digital display to avoid the battery drained due to the constant light after the engine starts, and effectively enhance its lifespan.

Wide compatibilityLED illuminated USB charging socket with Rubber Seals, fits for 12-24V car, boat, marine, motorcycle, ATV, RV etc. Suitable for charging mobile phone, Tablet, GPS, digital camera, PDA and other USB accessories; 2.4A USB charger socket provides standard charging for non-Quick Charge devices.

[Easy Installation] It is very easy to install the USB socket: "+" is plugged into positive pole and "-" is put on negative pole. It can also be connected to an on / off switch to save energy

Package Included:1 x Dual USB Car Charger Adapter, 3 x 3.3 ft. Wire , 6 x Fuse (3 installed ), 16 x Terminals,4 x Screws,1 x Switch

Waterproof DesignIt designed with a rubber USB cap which enables it waterproof and dust-proof, better protects its internal circuit and enhance its lifespan effectively. Excellent accessories for almost all 12V vehicles, marine, ATV, motorcycle, bike, truck, Golf Cart, RV, Boat, SUV, etc. *For vehicle above 14.6V, like 24V, this socket only works on charging function since the max voltage it can display is 14.6V*

Safety Assurence :The car adapter built-in protective circuits and high quality components prevent the product or your devices from over-current, over-voltage, over-heating, over-charging and short-circuit protection.Certified by CE & FCC.Adapt to main stream vehicle such as cars, SUV, trucks, off-road.

LED VOLTMETER & SWITCHAn integrated usb charger socket with a LED voltage display that can show the voltage status of car battery in time. Very useful for car, boat, bike, SUV, ATV, RV car, campers and motorcycles, etc. It is compatible with most vehicles with a voltage of DC 12-24V connections. Attention: LED display only works when connect it with battery.ON/OFF switches for power control to effectively prevent power outflow, save energy and extend the life of product and equipment.

Safe DrivingComes with LED voltmeter, the 12v usb outlet monitories the vehicle's battery and electrical system automatically, and indicates the car voltage in the screen. Always keeps your driving safe. Made of upgraded translucent material, the cap can also display voltage numbers when closed.

[Easy Installation] It is very easy to install the USB socket: "+" is plugged into positive pole and "-" is put on negative pole. It can also be connected to an on / off switch to save energy.