Review: 30,000mAh Solar Power Bank - It's a pile of Junk!

eBay is awash with these solar mobile power banks, most claiming way more storage capacity than is genuinely inside - this one has just 4,800mAh of LiPos. The unit only charges properly in full sun - in low light it wastes all the energy it receives by burning it up in 4 blue LEDs that seem to stay on continuously. The physical construction is dreadful - everything inside is held together with sticky tape and foam pads. Even the circuitry on the PCB is nothing special. It's a waste of money - don'

• #فناوری_و_رایانه
• #lithium_ion
• #solar_panel
• #mobile_power_bank