Product Price Capacity (mAh) Output Voltage (V) Output Current (A) Input Voltage (V) Charging Time (hours) Number of Ports Size (mm) Weight (g)
BioLite Charge 20 Power Bank
US
£37.44 6000 mAh 5V, 9V, 12V 3.0A, 2A, 1.5A 2 Hours 3 5.0 x 3.0 x 0.6 in 165 g

Compact 6,000 mAh USB-C Power Delivery power bank with one USB-C PD port and two USB-A ports (18W total), FAA carry-on compliant and designed for travel and outdoor use. It offers fast 18W charging and a lightweight stainless-steel body, suitable for topping up phones, headlamps, and small devices.

★ Ideal for

Beginners who want a simple, easy-to-use power bank - lightweight (165 g), compact (5.0 x 3.0 x 0.6 in), with 6,000 mAh capacity and single USB-C PD plus two USB-A ports for straightforward charging.

Anker PowerCore 10000 PD Redux
US
£29.97 10000 mAh 5V / 9V / 15V 3A / 2A / 1.2A 5V / 9V / 15V 3.5 hours 2 4.17 x 2.05 x 0.98 in 6.8 ounces

Compact 10,000 mAh power bank with USB-C Power Delivery (up to 18W) plus a USB-A port, trickle-charge mode for low-power devices, and fast recharging via USB-C. Suits users who need a pocketable charger to fast-charge phones and small tablets while traveling.

★ Ideal for

Good for beginners because its 10000 mAh capacity, single USB-C PD 18W output, and two-port simplicity make it easy to use and carry.

Rolling Square TAU 2 Keyring Charger
US
£29.98 2000 mAh 1 A 3 (USB-C, Lightning, Micro USB) 56 x 43 x 19 mm 50 g

Tiny keyring power bank with a 2000 mAh battery, built-in USB-C plus a dual Lightning/Micro USB connector, and a magnetic dock for always-ready charging; designed for emergency top-ups rather than full phone charges. Suits users who want a compact, always-attached emergency charger with NFC and simple plug-and-play connectors.

★ Ideal for

Beginners who need a simple device because it offers built-in connectors (USB-C, Lightning, Micro USB), a 2000 mAh capacity, and a magnetic dock that keeps it charged and ready.

Zendure SuperMini X3 10,000mAh
US
£52.46 10000mAh 5V/9V/12V/15V/20V 3A (varies by voltage, 20V/2.25A at max) 5V/9V/12V/15V/20V About 1 hour (with 45W PD charger) 3 111 x 63.5 x 22.5 mm 200g

Compact 10,000mAh power bank with a bidirectional 45W USB-C PD port plus two USB-A ports, LED percentage display, PPS support and fast 45W input for ~1 hour recharging. Small, lightweight design (200g) suits travel and daily carry while still able to fast-charge phones, tablets and some laptops.

★ Ideal for

Ideal for beginners needing simplicity because it offers compact 10,000mAh capacity, an easy-to-read LED percentage display and one high-power USB-C PD port (45W) plus two USB-A ports for straightforward plug-and-play charging.

Anker PowerCore 313 Power Bank (PowerCore 10K)
US
£19.48 10000 mAh 5V 2.4A 5V 3 5.87 x 2.68 x 0.55 in 7.5 oz

Slim 10,000mAh portable charger with one USB-A output and dual inputs (USB-C and micro-USB), PowerIQ/VoltageBoost charging up to 2.4A, and MultiProtect safety features. Lightweight and pocketable, it suits travel and everyday use for charging phones and small devices.

★ Ideal for

Beginners who need simplicity: the single USB-A output, clear 10,000mAh capacity, and ease-of-use (trickle-charge mode and MultiProtect safety) make it straightforward to operate.