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Compact white Lenovo 20 W USB-A wall charger ZG38C07841

Lenovo

Lenovo 20 W USB-A charger ZG38C07841

SKU CH-H48Z-3D1EV

A 20 W USB-A wall charger with Qualcomm QuickCharge 3.0 and Level VI efficiency, UL-approved for surge and heat protection

  • Fast charging for tablets via QuickCharge 3.0
  • Level VI energy efficiency reduces wasted power
  • UL safety approval with surge and heat protection
  • 20 W maximum output for USB-C devices
  • Compact wall charger design for portable use

20 W USB-A charger

The Lenovo 20 W USB-A wall charger delivers fast charging for tablets and other USB-C devices. It uses Qualcomm QuickCharge 3.0 technology to optimise the battery charging algorithm. The unit is UL safety approved and includes built-in protection against power surges and extreme heat. It meets Level VI high energy efficiency standards.

Upgrade from slower USB chargers

This charger replaces lower-wattage USB-A adapters that cannot supply 20 W. The jump is worth it when a tablet or phone supports QuickCharge 3.0 and needs faster top-up times. It is not for users who require USB-C Power Delivery output or multiple simultaneous ports.

Plug-and-play simplicity

Simply connect the charger to a wall socket and attach a compatible USB-C cable. No drivers or configuration are required. The main issue arises if the connected device does not support QuickCharge 3.0, which limits charging to standard USB speeds. Ensure the cable is rated for the required current.

Highlights

  • Fast charging for tablets via QuickCharge 3.0
  • Level VI energy efficiency reduces wasted power
  • UL safety approval with surge and heat protection
  • 20 W maximum output for USB-C devices
  • Compact wall charger design for portable use

Specifications

BrandLenovo

Questions about this item

Does the 20 W USB-A charger plug directly into a wall socket?

Yes, the Lenovo ZG38C07841 is a wall charger with integrated prongs that insert straight into a standard AC outlet.

What is the common mistake when connecting a USB-C device to this USB-A charger?

Using a USB-C-to-USB-C cable instead of a USB-C-to-USB-A cable, which prevents the 20 W output from being delivered.

When should the charger be replaced?

Replace the unit if the housing shows heat damage, the prongs become loose, or connected devices no longer negotiate the 20 W Qualcomm QuickCharge 3.0 profile.

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