We have been covering Ossia’s Cota wireless charging technology for some years, as iti has embraced commodity hardware and achieved a far longer charging distance than rival approaches – enough to trickle-charge IoT sensors and negate the problem of having to replace batteries. However, the company still hasn’t landed the killer deal that would safeguard its future entirely. This might have changed, after the start-up announced a potentially huge win with an as-yet unnamed battery supplier, but if this is the zenith of the technology, then we’ll be somewhat disappointed. The battery deal could be a big one. It is described in the announcement as “an agreement with a global, tier one battery manufacturer, to codevelop Cota-enabled batteries. A household…