Powerbank 20,000Mah

Boxed: YES

Charger/Cables: YES

A 20,000 mAh power bank is a high-capacity portable charger that can recharge a smartphone multiple times, charge multiple devices simultaneously, and is typically allowed on airplanes. Key features include multiple output ports (like USB-A and USB-C), fast charging technologies (like Power Delivery (PD)), built-in safety protections, and an LED indicator to show remaining charge. The substantial capacity (\(20,000\text{mAh}\)), which equals about \(74\text{Wh}\), makes it ideal for travel and long periods away from a power source. Capacity and performance Multiple charges: A 20,000 mAh capacity can charge a smartphone up to 8 times, depending on the phone's battery size.High-power charging: Many models deliver up to \(20\text{W}\) or more of power, supporting fast charging for devices like smartphones and tablets.Simultaneous charging: Most power banks offer multiple output ports (USB-A and USB-C) allowing you to charge two or more devices at the same time.Airplane-friendly: Due to the capacity of less than \(100\text{Wh}\) (\(20,000\text{mAh}\times 3.7\text{V}\approx 74\text{Wh}\)), they are generally permitted on airplanes in carry-on luggage. Features Fast charging: Look for features like Power Delivery (PD) and Adaptive Fast Charge (AFC) for optimal charging speeds.Safety protections: Built-in protections guard against overcharging, overheating, and short circuits for the safety of both the power bank and your devices.LED indicators: A battery level indicator (often a 4-step LED display) shows how much charge is left, so you know when to recharge the power bank.Input/Output ports: Ports vary, but common ones include USB-C for both input and output, and USB-A for output. Some models may have a dedicated micro-USB input port. 

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Available at CGX Manchester

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