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Two aluminium 12V USB chargers with four ports each, blue LED voltmeter, waterproof

Hamzan

Hamzan 2-Pack 4-Port 12V USB Charger 78W Dual PD30W QC18W Voltmeter Waterproof

SKU CH-77DJ-JFNHD

Two aluminium chargers with four ports each deliver up to 78 W using PD 30 W and QC 18 W, include a blue LED voltmeter and are waterproof for 12 V or 24 V vehicles

  • TypeAutomobile Chargers
  • Two packs provide four charging ports each
  • 78W total output with dual 30W PD and dual 18W QC
  • Aluminium alloy body resists scratches and dissipates heat
  • Blue LED voltmeter monitors 12/24V battery voltage in real time
  • Waterproof design suits marine, motorcycle and RV installations

Two-pack four-port 12 V charger

This pack supplies two aluminium-bodied 12 V USB outlets, each offering four ports with a combined 78 W output. The units suit 12 V or 24 V vehicles including cars, boats, motorcycles, ATVs and RVs. They replace a standard cigarette-lighter socket and accept a wide range of phones, tablets, power banks and small USB devices.

Four ports per outlet with dual PD and QC

Each outlet provides two 30 W PD ports and two 18 W QC ports so four devices can charge simultaneously. The ports support PD 2.0 and QC 2.0/1.0 protocols for broad device compatibility. An integrated blue LED voltmeter shows the vehicle battery voltage in real time, letting the driver monitor electrical-system health while underway.

Limited to 12/24 V DC systems and 78 W total

The chargers operate only from DC 12 V or 24 V sources and cannot be used on AC mains or higher-voltage installations. Maximum combined output is capped at 78 W per outlet, so power-hungry laptops or multiple high-draw devices may not reach full speed. Waterproof construction suits marine and exposed mounting but does not extend the electrical limits.

Highlights

  • Two packs provide four charging ports each
  • 78W total output with dual 30W PD and dual 18W QC
  • Aluminium alloy body resists scratches and dissipates heat
  • Blue LED voltmeter monitors 12/24V battery voltage in real time
  • Waterproof design suits marine, motorcycle and RV installations

Specifications

TypeAutomobile Chargers

Questions about this item

How often should the blue LED voltmeter be checked for accuracy?

The voltmeter continuously monitors the 12 or 24 V system and shows real-time voltage; no periodic calibration is required.

Which port reaches its output ceiling first when four devices draw maximum power?

Each PD port caps at 30 W and each QC port at 18 W, so the two QC ports hit their limit before the PD ports.

Does the aluminium housing stay cool enough for continuous all-day use in a closed console?

The metal body dissipates heat efficiently and is designed to avoid overheating during extended operation.

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