Solid-state batteries are the future. They're more powerful, compact, safe, and sustainable than Lithium-ion alternatives, but true all-solid state batteries can't be mass-produced cost-effectively. That's why Kuxiu has gone semi-solid state for what it calls the "world's safest" power bank, while calling dibs on it being a world first. Kuxiu's $79.99 S2 Qi2 5000mAh MagSafe […]