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UGREEN 20000mAh 20W Two-way Fast Charging Power Bank – PB312

The UGREEN PB312 20000mAh Power Bank provides reliable portable charging for smartphones, tablets, earbuds, and other compatible USB-powered devices. Its high-capacity battery helps keep essential electronics powered during travel, work, study, and everyday activities. The bidirectional USB-C port supports up to 20W input and output, while two USB-A ports deliver up to 22.5W each when used individually. A digital battery display shows the remaining charge, helping you plan recharging more effectively. With three output ports and support for compatible fast-charging protocols, this power bank offers versatile everyday connectivity.

What It Is

The UGREEN PB312 is a portable lithium-polymer power bank with a nominal capacity of 20,000mAh. It features one USB-C input/output port and two USB-A output ports. The USB-C port can recharge the power bank or supply power to a compatible device. The USB-A ports provide additional charging options for supported phones and accessories. Its digital battery display makes remaining capacity easier to monitor. The compact rectangular design is suitable for bags, backpacks, and travel accessories.

Technical Specifications

• Brand: UGREEN

• Model: PB312

• SKU: 25683

• Product type: Portable power bank

• Battery capacity: 20,000mAh

• Rated battery energy: 74Wh

• Typical rated output capacity: 12,500mAh at 5V/3A

• Battery type: Lithium-polymer

• USB-C input: Up to 20W

• USB-C output: Up to 20W

• USB-A outputs: Two ports, up to 22.5W individually

• Maximum shared output: 15W when multiple ports are used

• Charging protocols: PD, QC, and other supported fast-charging standards

• Display: Digital battery-percentage indicator

• Additional functions: Low-current mode and pass-through charging

• Approximate dimensions: 147 × 72 × 27mm

• Approximate weight: 435g

• Colour: Black, depending on the supplied variant

Charging speeds depend on the connected device, cable, and supported protocol. When multiple outputs are active, total power is shared rather than delivered at each port’s individual maximum. Battery capacity also differs from the usable output capacity after voltage conversion.

Why Choose UGREEN PB312 20000mAh Power Bank

High Capacity for Everyday Charging

The 20,000mAh battery provides substantial portable power for daily use and travel. It can recharge many smartphones several times, depending on battery size and conversion losses. This capacity is useful when wall outlets are unavailable or inconvenient. Students, professionals, and travellers can carry a dependable backup for compatible devices. The rated energy of 74Wh also helps clarify its suitability for travel planning. Review the official UGREEN product specifications for further technical information.

Two-Way USB-C Fast Charging

The bidirectional USB-C port supports up to 20W output and up to 20W input. It can power a compatible device and recharge the power bank itself through the same connector. Supported USB Power Delivery profiles enable faster charging with suitable equipment. This arrangement reduces the need for separate input and output ports. Actual charging speed depends on the device’s charging requirements and the connected adapter.

Three Ports for Multiple Devices

The power bank includes one USB-C port and two USB-A ports. This arrangement provides flexibility when charging different devices and accessories. You can connect compatible devices through the available outputs without carrying multiple power banks. However, total output is limited to 15W when multiple ports operate together. Individual port ratings apply when the relevant port is used alone. See the Novatech Technologies Kenya product listing for additional specifications.

Digital Battery Display

The integrated digital display shows the remaining battery percentage. This helps you estimate available power before leaving home or travelling. It also makes it easier to recognise when the power bank needs recharging. Unlike simple indicator lights, a percentage display provides a more direct capacity reference. The reading is an estimate rather than a guarantee of exact remaining runtime.

Support for Compatible Charging Protocols

The PB312 supports several fast-charging standards, including USB Power Delivery and Quick Charge. Depending on the connected device, supported profiles can help reduce charging time. Other compatible charging protocols support a range of smartphones and accessories. Not every device will use the highest available output. Check your device’s charging specifications and use an appropriate cable for the intended charging mode.

Low-Current Mode for Small Accessories

Low-current mode supports compatible accessories that draw very little power. This is useful for charging wireless earbuds, fitness bands, and certain smartwatches. Some small devices may otherwise interrupt charging when their power demand is too low. Check the device’s charging requirements before use. This feature adds flexibility beyond charging smartphones and tablets.

Portable Design for Daily Mobility

The PB312 measures approximately 147 × 72 × 27mm, making it practical to carry in a backpack or work bag. Its rectangular design keeps the charging ports accessible while connected devices recharge. At approximately 435g, it provides substantial battery capacity in a portable format. Store it securely and avoid exposing it to excessive heat, moisture, or physical damage.

Practical Uses for UGREEN PB312 20000mAh Power Bank

Smartphones and Tablets

Use the power bank to recharge compatible smartphones and tablets during busy days. USB-C Power Delivery supports up to 20W for devices accepting compatible charging profiles. USB-A outputs offer additional options for compatible devices and cables. Actual charging time varies with battery size, device usage, and charging support.

Work, Study, and Remote Activities

The PB312 helps keep essential devices powered during meetings, classes, and work away from a desk. Its digital display makes checking remaining capacity convenient throughout the day. Multiple ports can accommodate a phone and smaller accessories together, subject to shared output limits. This makes it useful for students, professionals, and people who regularly work away from power outlets.

Travel and Outdoor Activities

Carry the power bank for road trips, commutes, and other journeys requiring backup charging. Its 74Wh battery rating is below the commonly used 100Wh threshold for airline cabin batteries. However, airline policies and route-specific rules can vary, so check current requirements before flying. Protect the power bank against short circuits, damage, and excessive heat during transport.

Why Buy from Avidikventures?

Avidikventures helps customers discover practical technology accessories for work, travel, and everyday connectivity. Explore our charging products to find options suited to your devices and routine. Confirm charging compatibility and included accessories before ordering. Choose Avidikventures for convenient access to useful technology essentials.