Electronics on Fredrik's Build Loghttps://blog.beileg.com/tags/electronics/Recent content in Electronics on Fredrik's Build LogHugoenTue, 23 Jun 2026 00:00:00 +0000Flir R440 PM18650 battery replacementhttps://blog.beileg.com/2026/06/flir-r440-pm18650-battery-replacement/Tue, 23 Jun 2026 00:00:00 +0000https://blog.beileg.com/2026/06/flir-r440-pm18650-battery-replacement/Flir r440 PM18650 battery cell replacement as the batteries are unobtanium