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#6 in Portable Solar Panels
BigBlue 28W Solar Charger
BigBlue
$70.00 – $92.00
28W foldable solar charger with three USB-A ports and a digital ammeter showing real-time charging current. SunPower monocrystalline cells achieve up to 24% efficiency for faster device charging.
8.3
Good
Consensus
Don't buy this if…
- The USB-A ports max out at 5V/2.4A per port; there is no USB-C PD so fast-charging-dependent devices will charge slowly.
- Direct solar charging fluctuates with clouds — use a power bank as a buffer for consistent device charging.
- Solar output drops to near zero in overcast conditions; this is not a reliable sole power source in cloudy climates.
- Solar output drops to near zero in overcast conditions; this is not a reliable sole power source in cloudy climates.
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