Samsung EB-P4520XUEGWW varavirtalähde 20000 mAh beige

Samsung EB-P4520XUEGWW 20Ah 45W Power Bank is a portable battery pack designed to deliver extended runtime for smartphones, tablets and other USB-powered devices. With a 20,000 mAh nominal capacity and support for up to 45W output, this power bank combines high-capacity backup with faster charging capabilities where compatible devices and cables are used. The compact rectangular housing and multiple port options make it suitable for travel, daily commuting and as a reliable emergency power source.

Advantages

The power bank provides a large energy reserve in a relatively compact form factor, enabling multiple full charges for typical smartphones and significant topping-up for tablets. Support for up to 45W output allows faster charging of laptops and fast-charge capable phones when appropriate PD (Power Delivery) profiles and cables are used. Built-in safety systems protect against overcharging, short circuits and temperature extremes, and USB-C connectivity simplifies charging and device compatibility.

Suitable for

• Charging smartphones multiple times during travel or long days away from outlets
• Powering tablets and portable gaming devices when away from mains power
• Providing emergency backup power during outages or outdoor activities
• Fast-charging compatible laptops and ultrabooks that accept up to 45W input

Key specifications

• Nominal capacity: 20,000 mAh (20 Ah)
• Maximum output power: up to 45 W
• Ports: USB-C input/output and additional USB-A output(s) (varies by configuration)
• Charging protocols: USB Power Delivery support for higher-wattage charging
• Protection features: overcharge, overcurrent, short-circuit and thermal protection
• Form factor: portable rectangular battery pack suitable for bags and backpacks

How to use

Charge the portable battery pack using the supplied or compatible USB-C charger until the device indicates a full charge. To charge a smartphone, tablet or other USB-powered device, connect the device to the power bank using an appropriate USB-C or USB-A cable. For the fastest charging, use a USB-C to USB-C cable and a device that supports Power Delivery; the power bank will negotiate the correct voltage and current automatically. Monitor charge indicators to avoid over-discharge and recharge the pack after extended use or before long trips.

Recommendations

Store the power bank in a cool, dry place and avoid exposure to extreme heat or moisture. Use high-quality cables rated for the power levels required; for 45W charging use USB-C cables that support required PD wattage. For air travel, check airline regulations regarding battery capacity and carry the power bank in carry-on baggage if required. Regularly recharge the unit every few months if not used to maintain battery health.