Product Price Capacity (mAh) Output Voltage (V) Output Current (A) Charging Time (hours) Weight (g) Input Charging Method Number of Ports
ZMI USB PD Backup Battery and Hub
US
£1327.86 20000mAh 72Wh 5V, 9V, 12V, 15V, 20V 3.25A maximum 3 hours with 45W USB PD adapter; 5.5 hours with 18W adapter; 9.3 hours with 5V/2A adapter 440g USB-C USB PD or Quick Charge 3

This 20000mAh battery provides USB Power Delivery output up to 65W and can also function as a USB 2.0 hub. Its USB-C and two USB-A ports make it suitable for USB-C laptops, cameras, phones, and other portable devices.

★ Ideal for

It suits laptops and cameras because its 72Wh battery supports USB-C output up to 20V and 3.25A, while its three ports can power a laptop and camera-related USB accessories together.

Anker Anker Laptop Power Bank 25K 165W Built-In and Retractable Cables A1695
US
£88.76 25,000mAh 3-20V 3A or 5A 2 hours 595g USB-C cable or port 4

This 25,000mAh power bank delivers up to 165W total output and includes two built-in retractable USB-C cables. It suits laptop users and frequent travelers who need to charge multiple devices, with three USB-C ports and one USB-A port.

★ Ideal for

It suits laptops and cameras because its 25,000mAh capacity, up to 100W single-port output, 165W total output, and four ports can power a laptop while also charging camera equipment and accessories.

Mophie Powerstation AC
US
£147.91 20000 mAh 110V AC; 5V/3A, 9V/3A, 15V/2A, 20V/1.5A USB-C; 5V/2.4A USB-A 100W AC; 30W USB-C; 12W USB-A 2.5 hours 1.66 lb USB-C 3

The Mophie Powerstation AC is a 20,000 mAh external battery with a 110V AC outlet, 30W USB-C output, and 12W USB-A output. It can power laptops and other devices rated up to 100W, making it suitable for travel, remote work, and mobile photography.

★ Ideal for

This battery suits laptops and cameras because it provides a 100W AC outlet for standard chargers, 30W USB-C output, 12W USB-A output, and a 20,000 mAh capacity.

Dell PW7018LC Notebook Power Bank Plus
US
£279.62 65 Wh 5 V, 9 V, 15 V, 20 V 3.25 A 1.5 lb USB-C PD 2

This 65 Wh power bank delivers up to 65 W through USB-C and includes a USB-A port for charging a second device. It suits USB-C laptop users, travelers, professionals, and students who need portable laptop power.

★ Ideal for

It suits laptops and cameras because its 65 Wh battery supports up to 65 W USB-C Power Delivery and its additional USB-A port can power compatible camera accessories.

Jackery Explorer 300 v2 Portable Power Station
US
£184.20 288 Wh 1 hour to 80% 8.1 lb AC wall, solar, or car charging 6

The Jackery Explorer 300 v2 is a compact 288 Wh power station with 300 W continuous output and 600 W surge capacity. Its LiFePO4 battery, UPS function, fast charging, and multiple ports make it suitable for camping, emergency backup, laptops, cameras, and other portable electronics.

★ Ideal for

It suits laptops and cameras because its 288 Wh capacity and 300 W pure-sine output can power typical laptop chargers and camera charging equipment, while USB-C and AC ports support several devices at once.