Product Price Capacity (mAh) Output Voltage (V) Output Current (A) Charging Time (hours) Size (inches) Weight (ounces) Input Charging Method Number of Ports
Rolling Square Rolling Square TAU 2 Portable Power Bank
US
£29.73 2000 mAh 1 A 56 x 43 x 19 mm 50 g magnetic dock and USB-C 3 (USB-C, Lightning, Micro USB)

The TAU 2 is a 2,000 mAh keyring power bank with integrated USB-C and a combined Lightning/Micro-USB connector, an NFC tag, and a magnetic dock for automatic charging. It's ultra-compact and lightweight (50 g), designed as an emergency 'always-ready' boost for phones and small devices.

★ Ideal for

Ideal for users who need a lightweight emergency boost-its 2000 mAh capacity and integrated connectors provide a quick ~30% phone top-up while staying attached to your keys.

Anker Anker 165W Laptop Battery Pack (25,000mAh)
US
£89.41 25,000mAh 156.97 x 53.85 x 49.02 mm 595 g USB-C USB-C (3), USB-A (1), two built-in USB-C cables

High-capacity 25,000mAh power bank with up to 165W combined output, three USB-C ports, a USB-A port and two built-in retractable USB-C cables. It includes an LCD-like display for real-time charging info and ActiveShield thermal protection, making it suited for charging laptops and multiple devices simultaneously.

★ Ideal for

Ideal for users needing maximum portable capacity and laptop charging-25,000mAh capacity and up to 165W combined output allow sustained laptop and multi-device charging.

Anker Anker Prime 65W Battery Pack (9,600mAh)
US
£67.06 9,600mAh 5V / 9V / 12V / 15V / 20V 3A / 3A / 3A / 3A / 3.25A 2 to 2.5 hours 1.71 × 1.65 × 4.53 in 10.76 oz Fold-out AC plug and USB-C input (100V-240V AC, 2.0A; USB-C PD) 2 (USB-C)

Compact 9,600mAh power bank that doubles as a 65W wall charger with fold-out AC pins, a 1.3-inch LCD, and two USB-C ports supporting high-speed PD charging. It delivers up to 65W single-port output or 45W+20W when both ports are used, making it suitable for phones, tablets, and some laptops. Fast recharge (~2-2.5 hours) and pocketable dimensions prioritize portability and versatility.

★ Ideal for

Ideal for users needing a portable charger with high single-port power (65W) and 9,600mAh capacity for charging laptops and phones quickly.

GOODaaa GOODaaa Power Bank Wireless Charger 36000mAh
US
£32.03 36000 mAh 5V 3A 6.6 in x 3.5 in x 1.1 in 15.2 oz USB-C, Micro-USB, Solar, USB-A input cable USB A (1), USB C (1), Lightning (1) built-in cables, Micro-USB (1) built-in cable, wireless (1)

Large 36000 mAh solar-capable power bank with 15W wireless charging, built-in output cables (USB-C, Lightning, Micro-USB), multiple ports and dual LED flashlights for outdoor use. Durable, weather-resistant design and carabiner make it suited for long trips, emergencies, and charging multiple devices simultaneously. Supports charging six devices at once (wired + wireless).

★ Ideal for

Best for users needing maximum capacity-36000 mAh and multi-device outputs let you charge many phones multiple times without access to mains power.

INIU INIU P512 20000mAh
US
£23.36 20000 mAh 22.5W (max) ~5 hrs 52 mins 2.8 x 4.1 x 1.2 in 11.1 oz USB-C (IN/OUT, 20W recharge) USB-C x2, USB-A x1

Compact 20,000 mAh power bank with 22.5W fast charging, built-in USB-C GoCord, digital LED percentage display, flashlight, and three output ports; suitable for charging phones, tablets, and multiple devices simultaneously. It's TSA-compliant and designed for travel and outdoor use.

★ Ideal for

Best for someone needing high capacity in a compact, travel-friendly pack because it provides 20000 mAh and 22.5W fast output with two USB-C ports and one USB-A port.