A man has built a rechargeable battery pack big enough to power his whole home using just the batteries from discarded vapes.

British engineer Chris Doel thinks it’s “absolutely insane” that people use disposable vaping pens, as they come with a lithium-ion battery that can be recharged again and again; they’re literally powered with a technology that’s advertised as the alternative to disposable batteries.

The 26-year-old ended up stripping the lithium batteries from 500 thrown away vapes, some of which he collected, and some of which were given to him by a local shop, to create a single battery bank large enough to run his entire house for 8 hours, or his workshop for multiple days.

He kept wiring the batteries together until they totaled 2.5 kWh of capacity, before a test saw him run

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