Product Price Capacity (mAh) Output Voltage (V) Output Current (A) Input Voltage (V) Charging Time (hours) Number of Ports Size (mm) Weight (g)
BioLite BioLite Charge 20 PD
US
£37.42 6,000 mAh (22.2 Wh) 5V, 9V, 12V USB-C PD: 3.0A at 5V, 2A at 9V, 1.5A at 12V Up to 18W (USB-C PD) 2 Hours 1x USB-C PD, 2x USB-A 5.0 x 3.0 x 0.6 in 5.8 oz (165 g)

Compact 6,000 mAh USB-C PD power bank with two USB-A ports and one USB-C PD port for up to 18W total output. Suited for travelers and outdoor users who need a lightweight, FAA-compliant backup to charge phones, headlamps, and small devices.

Anker Anker laptop power bank 25,000mAh (built-in cables)
US
£89.90 25,000mAh 3-11V / 5V / 9V / 10V / 12V / 15V / 20V 3A / 3A / 3A / 2.25A / 3A / 3A / 5A 3-11V / 5V / 9V / 10V / 12V / 15V / 20V ~2 hours (with 100W charger) 4 6.18 × 2.12 × 1.93 in 21.0 oz

High-capacity 25,000mAh power bank with up to 165W total output, three 100W-capable USB-C ports, two built-in USB-C cables and one USB-A port. Suited for laptop users and multi-device travellers who need fast laptop charging and convenient built-in cables.

Dark Energy Dark Energy Poseidon Pro 10200
US
£89.90 10200 mAh 5V, 9V, 12V 3A (5V), 2A (9V), 1.5A (12V), 2.4A (USB-A) 5V, 9V 2 9.8 oz

Rugged, IP68-rated 10,200 mAh portable charger with USB-C Power Delivery and a USB-A port, built for outdoor and tactical use. It suits hikers, hunters, and anyone needing a durable, waterproof fast-charging power bank.

Anker Anker Prime Power Bank 26K 300W
US
£172.31 26,250mAh 5V / 9V / 12V / 15V / 20V / 28V Up to 5A (USB-C 28V⎓5A) / USB-A up to 3A 5V / 9V / 12V / 15V / 20V / 28V Recharge to 50% in 13 min; 80% in 40 min 2 × USB-C, 1 × USB-A 159.9 × 38 × 62.7 mm 600 g

High-capacity 26,250mAh power bank with up to 300W total output, capable of high-speed single-port 140W charging and very fast dual-port recharging. Suited for travelers and professionals who need to charge laptops, tablets, and multiple devices on the go.