Dual USB 4.2A Car Charger Adapter

Dual QC3.0 configuration, both ports support 18W high-power output, charging speed increased by 4x. Dual-color halo LED system - blue indicates fast charging. High-strength flame-retardant materials pass stringent automotive electronics testing standards.

Key Features

1.Dual-Protocol Smart Charging

• Industry breakthrough: Real 2.1A+2.1A dual output (tested)

• Smart detection: Auto-optimizes for iOS/Android

• 88% conversion efficiency, <15℃ temperature rise

• "Fast charge two phones simultaneously - no more waiting"

2.Dual-ring Smart Indication

• Inner blue ring: QC3.0 status indicator

• "Night charging at a glance"

3.Professional Installation

• 30mm standard hole size

• Reverse connection protection

• "Professional installation in 3 minutes"

4.Wide Compatibility

• Supports 12-24V vehicle systems

• Compatible with sedans, SUVs, trucks, RVs

• Built-in over-voltage protection

5.Industrial Design Advantages

• ABS+PC flame-retardant material

• Matte anti-scratch surface

• Laser engraved logo

How It Works

• Utilizes synchronous rectification with smart power allocation IC. Automatically boosts to 3A for single device, intelligently splits 2.1A+2.1A for dual devices.

Advantages

1.Charging Performance

• 4.3A sustained dual output (exceeds specs)

• 92% charging efficiency, excellent temperature control

• Supports charging while using, doesn't affect vehicle starting

2.Safety Feature

• Passes ISO 16750-2 vibration test

• Dual over-temperature protection,automatic power reduction

• Lightning surge protection

3.User Experience

•  50,000-hour LED lifespan (3 years)

•  Nickel-plated ports, 5x more oxidation-resistant

Application Scenarios

1.Ride-hailing Drivers:

• Dual USB meets driver and passenger fast charging needs

2.Off-road Adventure:

• Charge navigation phone while powering dashcam

Specifications

What's Included

• Charger Socket ×1

• Dustproof Cover ×1

• Nut ×1

• Terminals ×2