Ebay Challenge Psion Revo Repair Battery Test - YouTube
Psion Revo 16mb. Plugged it in and it turned on briefly. Guessing the battery is a goner. Used the Symbian operating as used in the classic Nokia's from the 90s. : r/vintagecomputing
Psion Revo Reviews, Pricing, Specs
Psion Revo Full Device Specifications in 2022 | System camera, Revo, Devices