Power adapter QOLTEC 51716 — AC 220–240V to 20V 3A (63W), black, indoor universal charger

QOLTEC 51716 is an AC power adapter designed to convert mains voltage 220–240 V, 50/60 Hz to a regulated 20 V DC output at up to 3 A, providing a maximum power of 63 W. The compact, black indoor charger weighs 0.115 kg and offers universal compatibility with portable devices and laptops that accept a 20 V DC input. Its straightforward design suits environments such as home offices and workplaces where a reliable mains-powered adapter is required.

Advantages

This QOLTEC adapter delivers a stable 20 V output with a 3 A current rating, enabling consistent power delivery up to 63 W for compatible devices. The compact form factor and low weight make it easy to position on a desk or carry between locations. As an indoor, AC-powered universal charger, it avoids the need for device-specific power bricks when the device supports 20 V input, simplifying replacement and spare adapter selection.

Suitable for

• Charging laptops and notebooks that accept 20 V DC input
• Powering small desktop electronics and peripherals compatible with 20 V
• Use as a replacement or spare AC adapter for compatible devices at home or in the office
• Situations requiring a compact, mains-powered universal charger

Key specifications

• Input voltage: 220–240 V AC, 50/60 Hz
• Output voltage: 20 V DC
• Output current: 3 A
• Maximum power: 63 W
• Power source type: AC (mains)
• Charger type: Indoor universal charger
• Product colour: Black
• Weight: 0.115 kg
• Quantity per pack: 1 piece

How to use

Connect the adapter to a compatible device using the appropriate DC plug or lead that fits the device's power input, ensuring the device accepts 20 V DC. Plug the adapter into a 220–240 V AC mains outlet and verify the connection is secure before switching the device on. Monitor the device during initial use to confirm proper charging or operation and disconnect the adapter from the mains before unplugging from the device when not in use.

Recommendations

Use only with devices specified to accept 20 V DC and within the adapter's 3 A / 63 W rating. Avoid exposure to moisture, excessive heat, or prolonged direct sunlight. Ensure the DC connector is compatible and properly fitted to prevent loose connections. For safety, disconnect the adapter during storms or extended periods of non-use and follow the device manufacturer's guidance regarding external power sources.