What are some compact and portable power banks available?
This page compares 7 compact and portable power banks with verified specifications and prices. Top options include INIU INIU 45W Portable Charger 20000mAh, Nitecore Nitecore NB10000 Gen4 (10000mAh), Elecom Nestout 15000mAh Outdoor Battery (Nestout 15K). Prices range from £15 to £63. All data is sourced from manufacturer documentation and specialist retailers.
| Product ⇅ | Price ⇅ | Capacity (mAh) ⇅ | Output Voltage (V) ⇅ | Output Current (A) ⇅ | Input Voltage (V) ⇅ | Charging Time (hours) ⇅ | Number of Ports ⇅ | Size (mm) ⇅ | Weight (g) ⇅ |
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INIU INIU 45W Portable Charger 20000mAh
US
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£44.82 ≈ | 20000 mAh | 5V-20V | Up to 3A | USB-C PD up to 27W | — | 3 | — | — |
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High-capacity 20000mAh power bank with up to 45W USB-C PD output, built-in USB-C cable, digital battery display and flashlight. Suited for travellers and users who need multi-device charging and fast USB-C power for laptops, phones and tablets. |
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Nitecore Nitecore NB10000 Gen4 (10000mAh)
US
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£62.73 ≈ | 10000mAh 3.9V (39Wh) | 5V / 9V / 12V | 3A / 2.22A / 1.87A | 5V / 9V / 12V | 3 hours 2 minutes | 2 | 4.57 in x 1.84 in x 0.57 in | 5 oz |
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Compact, ultralight 10,000mAh power bank with IPX7 water resistance, dual USB-C ports supporting up to 22.5W, RGB port lighting, and a knock-to-wake feature. Suited for ultralight backpacking, travel, and everyday carry when you need a high-efficiency, pocketable charger.
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Elecom Nestout 15000mAh Outdoor Battery (Nestout 15K)
US
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£52.07 ≈ | 15000mAh | USB-C: 5V/9V, USB-A: 5V | USB-C: 3A/2.22A, USB-A: 2.4A | 5V/9V | 3 hours, 35 minutes | 3 (1x USB-C, 2x USB-A) | 5.1 x 3.3 x 1.4 in | 12.9 oz |
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Rugged IP67-rated 15,000mAh outdoor power bank with one USB-C and two USB-A ports, up to 32W combined output and fast USB-C recharging. Suited for campers, hikers, and outdoor users who need durable, multi-device charging and pass-through capability.
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Ugreen Ugreen MagFlow 10000mAh Wireless Power Bank
US
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£37.35 ≈ | 10000mAh/3.7V/37Wh | 5V/9V/12V/15V/20V (USB-C output up to 20W) | 5V⎓3A/9V⎓2.22A/12V⎓1.5A (USB-C) | 5V⎓3A/9V⎓2.22A/12V⎓1.5A (USB-C) | About 3.5 hours (with 20W PD charger) | 1 (USB-C) | 106 x 69 x 19 mm | 220 g |
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Compact 10000mAh magnetic wireless power bank with Qi2 magnetic alignment and up to 15W wireless charging and 20W wired PD charging. Suited for iPhone users who want MagSafe-style wireless top-up plus a single fast USB-C wired port for charging the bank or a second device.
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Anker Anker Nano II 5K (5000mAh)
US
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£14.56 ≈ | 5,000mAh | 5V / 9V | 3A / 2.22A | 5V / 9V | — | 1 (USB-C) + wireless | 4.02 x 2.78 x 0.34 in | 4.3 oz |
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Ultra-slim 5,000mAh MagGo power bank with Qi2 15W wireless charging and a USB-C port supporting up to 20W wired input/output. Suits users who want a pocketable MagSafe-compatible backup for iPhone and other Qi2 devices. |
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Goal Zero Goal Zero Flip 24 Power Bank (6000mAh)
US
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£22.38 ≈ | 6700mAh | 5V | up to 2.1A | 5V | 4 Hours | 1 output, 1 input | 3.7 x 1.63 x 0.83 in | 4.6 oz |
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Compact pocket-friendly power bank with a built-in flip-out USB plug, 6700mAh capacity, pass-through charging, and quick 4-hour recharge from USB. Suited for hikers and travelers who need a lightweight charger for 1-2 phone recharges.
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Rolling Square Rolling Square TAU 2 Keyring Charger (2000mAh)
US
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£29.81 ≈ | 2000 mAh | — | — | — | — | 3 (USB-C, Lightning, Micro USB) | 56 x 43 x 19 mm | 50 g |
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Compact 2000 mAh keyring power bank with integrated USB-C, Lightning and Micro USB connectors and a magnetic charging dock for everyday carry and emergency top-ups. Suits users who want a tiny, always-on-keyring charger for quick phone refills and multi-device compatibility. |
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