Ten years ago, CIO started with a simple idea: make charging smarter, simpler, and more powerful. Today, thanks to you, we're still going strong.

To mark our 10th anniversary, we're hosting a POP-UP event and gathering in Tokyo — and for our global community, we're celebrating the only way we know how: with our biggest sale ever.

Welcome to the CIO Summer Sale.

Sale Details

June 23 – 26, 2026 (12:00 AM –11:59 PM EDT)  |  Online Store Exclusive

  • ⚡ Chargers & Cables — 40% OFF
  • ⚡⚡ Mix & Match 2 or more Chargers / Cables — 45% OFF
  • 🔋 Power Banks — 20% OFF — including our brand-new models

Every product on our site is included. Yes, even the newest arrivals.

How It Works

No codes, no conditions — open to everyone.
Just add items to your cart and the discount will apply automatically.

⚠️ Note: This discount cannot be combined with the new customer 10% off code.

Happy shopping — we hope you find something you love! 🛍️

And if you're ever in Tokyo, we'd love to see you in person:
📍 July 2–5, 2026  |  WITH HARAJUKU 3F「LIFORK HARAJUKU」

Thank you for 10 amazing years. Here's to many more. 🙏