What are the best portable solar chargers for emergency preparedness?
| Product ⇅ | Price ⇅ | Charging Capacity (mAh) ⇅ | Solar Panel Efficiency (%) ⇅ | Number of Solar Panels ⇅ | Charging Speed (Watts) ⇅ | Weight (grams) ⇅ | Waterproof Rating ⇅ | Built-in Battery ⇅ |
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ADDTOP 25,000 mAh Solar Charger Foldable
US
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£35.07 ≈ | 25000 mAh | — | 4 | 3A input/output; 5V/2.1A outputs | 538 g | weather-proofed (unspecified rating) | ✓ |
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High-capacity 25000 mAh foldable solar power bank with four fold-out panels, USB-A and USB-C ports, and an integrated LED light; solar input is low so solar charging is supplementary rather than primary. Suited for campers and emergency kits needing large battery reserve and multiple outputs. ★ Ideal forGood for emergency preparedness because its 25000 mAh battery and ability to charge three devices simultaneously provide extended power reserve during outages.
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Anker PowerCore Solar 20000 (625)
US
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£52.23 ≈ | 20000 mAh | — | — | USB-C Input: 5V⎓3A / 9V⎓2A (18W Max); USB-C Output: 5V⎓3A / 9V⎓2A (18W Max); USB-A Output: 5V⎓2.4A (12W Max) | 1.03 pounds | — | ✓ |
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A 20,000 mAh power bank with built-in solar charging capability, USB-C input/output (18W) and a USB-A output for multi-device charging. It's compact and lightweight for a high-capacity pack and includes fast-charge support for quicker recharging via USB-C. ★ Ideal forGood for emergency preparedness because its 20000 mAh capacity and 18W USB-C input/output provide substantial stored energy and relatively fast recharge/dispense rates for phones and small devices. |
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BigBlue 28W Foldable Solar Charger (BLUETTI variant)
US
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£44.77 ≈ | — | — | 4 | 28 W (max), 2.4 A per USB port | 20.9 oz | — | — |
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The BigBlue 28W foldable solar charger (SolarPowa 28) is a 28 W monocrystalline foldable panel with four solar panels, multiple USB outputs including two USB-C and one USB-A, and a lightweight folded design for easy transport. It suits hikers and emergency kits needing a compact high-efficiency charger for phones, tablets, and power stations that accept DC/USB input. ★ Ideal forIdeal for emergency preparedness because it delivers up to 28 W output from four monocrystalline panels and weighs only 20.9 oz, providing fast charging for multiple devices without an included battery.
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Goal Zero Nomad 20 Solar Panel
US
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£111.90 ≈ | 20W | — | 3 | USB output 5V up to 2A; solar port 14-22V up to 1.3A (20W max) | 2.5 lbs | weatherproof (no IP rating provided) | — |
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A 20W foldable monocrystalline solar panel with integrated USB and 8mm solar port, a built-in kickstand, and chainable 8mm input for faster charging. Lightweight and rugged for outdoor use and designed to recharge phones, power banks, and small power packs. Suits users who need a portable, packable panel to top up small devices in full sun. ★ Ideal forGood for emergency preparedness because it provides 20W rated power, an integrated USB output for direct device charging, and an 8mm chainable port to expand capacity.
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LinkSolar 11W Foldable Solar Charger
US
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£41.04 ≈ | — | — | — | — | under 1 lb | — | — |
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A lightweight foldable 11W solar charger with ETFE lamination, USB 5V/2.1A output and grommets for attachment. It's designed for packable emergency kits and trail applications where low-weight, weather-resistant direct charging is needed. ★ Ideal forIdeal for emergency preparedness because its 11W rating, USB 5V/2.1A output, ETFE lamination, and sub‑1 lb weight make it a compact way to recharge phones and radios during outages.
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QiSa 38800 mAh Solar Power Bank
US
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£35.81 ≈ | 38800 mAh | — | 4 | USB-C input only, Qi 10W wireless, 2x USB-A 5V/3.1A outputs | — | waterproof (manufacturer markets waterproof dustproof shockproof build) | ✓ |
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High-capacity 38,800 mAh power bank with four foldable solar panels, Qi 10W wireless charging, dual USB-A outputs and USB-C input; marketed as rugged and waterproof for outdoor use. Solar input is modest but useful for top-ups, making it suited to multi-day trips and emergencies. ★ Ideal forGood for emergency preparedness because its large 38,800 mAh capacity plus Qi wireless and multiple outputs can recharge several devices over multiple days. |
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