Dave's Goal Zero Yeti 400 lithium ion battery failed. Repair time.Forum: https://www.eevblog.com/forum/blog/eevblog-1707-repair-goal-zero-yeti-400-lithium-battery/00:00 - Goal Zero Yeti 400 Battery failure01:32 - Hiccuping03:28 - Teardown04:47 - Failure hypothesis and potential solution 05:37 - The mains inverter PCB06:43 - The control PCB07:36 - Dual battery connectors08:09 - Measuring the dual battery connections to make sure they are in parallel.08:58 - The lithium ion battery pack09:24 - Measuring the battery pack voltage, and the under voltage lookout protection10:49 - Re-powering just the controller board11:38 - Progressive system module power up with the battery, isolating the mains inverter12:23 - Measuring the battery again to see if it's accepting a charge13:20 - Winner Winner Chicken Dinner15:34 - No electronics repair needed15:54 - Goal Zero battery physical design17:03 - Back from the gym, what's happened?18:33 - Fault summaryWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Repair #lithiumbattery...https://www.youtube.com/watch?v=km6sJSXot74

Ver todos los episodios