Battery Life Hallucinations: Why Rogbid's VisionW Claims Should Raise Alarm Bells Rogbid's $70 VisionW smart glasses have garnered attention for their purportedly industry leading battery life of 39 days.
The claim is staggering, not just because the device appears to be a standard issue pair of frames without any flashy features, but also because its manufacturer has managed to fit an astonishing 200mAh battery into these sleek glasses.
The laws of thermodynamics dictate that there's a limit to how much energy you can cram into a given space. Rogbid's feat is unclear, and it's not because they're using new battery technology.