DIY solar expert tears into $600 Amazon battery and finds 'crooked' cells inside

DIY solar expert tears into $600 Amazon battery and finds 'crooked' cells inside

A bargain-priced Amazon battery is drawing attention after YouTuber and DIY solar and battery expert Will Prowse opened it up on camera and found a series of troubling issues inside. The appeal was easy to understand. The unit was a 48-volt, roughly 5-kilowatt-hour server-rack lithium iron phosphate battery that arrived for $599 — a price far below many comparable options. What happened? The creator purchased and reviewed the unit for his channe…