New England Hybrid Festival 2013
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New England Hybrid festival 2014

Punching the holes in the tabs

Punching the holes in the tabs
punching the connection holes in the tabs

Set up an insulated table for the cell body, and insulated the parts of the punch that could short the hot battery terminals. Adjusted the two stops to assure reasonably uniform position for the row of holes.The punch sticks on the punch pins so I had to make a tool to easily release the tab with no distortion.