Dave's Goal Zero Yeti 400 lithium ion battery failed. Repair time. Forum: https://ift.tt/7mIJkjB 00:00 - Goal Zero Yeti 400 Battery failure 01:32 - Hiccuping 03:28 - Teardown 04:47 - Failure hypothesis and potential solution 05:37 - The mains inverter PCB 06:43 - The control PCB 07:36 - Dual battery connectors 08:09 - Measuring the dual battery connections to make sure they are in parallel. 08:58 - The lithium ion battery pack 09:24 - Measuring the battery pack voltage, and the under voltage lookout protection 10:49 - Re-powering just the controller board 11:38 - Progressive system module power up with the battery, isolating the mains inverter 12:23 - Measuring the battery again to see if it's accepting a charge 13:20 - Winner Winner Chicken Dinner 15:34 - No electronics repair needed 15:54 - Goal Zero battery physical design 17:03 - Back from the gym, what's happened? 18:33 - Fault summary Web Site: http://www.eevblog.com Hardware Store: https://eevblog.store/ Merch Store: https://ift.tt/Fsal2UW If you find my videos useful you may consider supporting the EEVblog on Patreon: https://ift.tt/Xpx7lqG Other channels: EEVblog2: http://www.youtube.com/EEVblog2 EEVdiscover: https://www.youtube.com/eevdiscover #ElectronicsCreators #Repair #lithiumbattery
source https://www.youtube.com/watch?v=km6sJSXot74
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