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We’re nonetheless within the early days of recent EV infrastructure, so minor points can result in a full excessive voltage pack substitute given the shortage of excessive voltage-trained mechanics. [Ed’s Garage] was capable of supply a Spark EV battery pack that had succumbed to a single unhealthy cell and takes us alongside for the disassembly of the defective module.
The Spark EV was the predecessor to the extra well-known Chevy Bolt, so its almost ten yr outdated techniques may not mirror the state-of-the-art in EV batteries, however they’re actually extra trendy than the battery in your great-grandmother’s Baker Electrical. The Li-ion polymer pouch cells are sandwiched along with cooling and shock absorbing panels to maintain the cells wholesome and completely happy, no less than in idea.
In a earlier video, [Ed’s Garage] takes aside the total pack and exhibits how the final 2P16S module has assumed a darker shade on its yellow plastic, seeming to point that it wasn’t receiving enough cooling throughout its life within the automobile. It could appear that the cooling plates contained in the module weren’t fairly as much as the duty. These cells are destined for different tasks, but it surely doesn’t seem to be this explicit sort of battery module could be too troublesome to reassemble and put again in a automobile so long as you may get the precise torque settings for the compression bolts.
Should you’re in search of different EV teardowns, may we propose this Tesla Mannequin S pack or one from a passively-cooled Nissan Leaf?
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