This article is to compare some of the best TPMS scanners, namely the Autel TS501 and Autel TS508 Professional TPMS Tools. These two units come with outstanding features, and they are reliable in performance. But seriously, What decision is suitable between Autel TS501 and TS508 for customers? Autel TS501 picture: Autel TS508 picture: Check the Comparison Table: Autel TS501 VS TS508: Features/Functions Autel TS501 Autel TS508 Operating System(OS) Android Android Resolution TFT color display (320 x 240 dpi) TFT color display (320 x 240 dpi) Power 3.7V Li-polymer battery 3.7 V Li-polymer battery; 3200 mAh Software Update Free update on the internet via USB port Free Operating Temperature 0 to 50°C (32 to 122 °F) 0°C to 50°C (32°F to 122°F) Storage Temperature -20 to 70°C (-4 to 158 °F) -20°C to 70°C (-4°F to 158°F) Warranty One-Year Limited Warranty Limited One-Year Mode of updating updated using an SD card updated using a USB ...