Case Study: Wi-Charge - The E Ink Display That Cuts the Cord

Wi-Charge’s Wi-Poster™, powered by E Ink’s Spectra™ 6 color ePaper technology, is transforming retail signage by combining the look of printed posters with the flexibility of digital content and the freedom of wireless power. Designed with Wi-Charge’s patented AirCord™ technology, the Wi-Poster can be placed virtually anywhere—no cables, no battery swaps—making it ideal for retail spaces looking to modernize without the infrastructure costs of traditional digital signage.

Unlike power-hungry LED displays or static printed signs, the Wi-Poster operates using ultra-low power, drawing energy wirelessly via invisible infrared beams. Retailers use these displays to deliver real-time promotions, interactive messaging, and customer engagement at high-impact locations like endcaps and glass doors. The result is a sustainable, cable-free signage solution that blends modern technology with operational flexibility, making it easier for brands to reach customers at the point of decision.

 

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Case Study: Wi-Charge - The E Ink Display That Cuts the Cord