Quote:
Originally Posted by Traditional_Ale
- Unless there is a factory still making car batteries then there is no way in hell any regular car battery would still be working 20 years later. Maybe a military grade, pure virgin lead battery of some kind, but even then, nah. No way. A car battery self-discharges 1-2% per day, until discharged enough the sulfuric acid turns into water. So now you have a calcium coated led plate left in water for 20 years, but sure! Charge that baby, it'll work!
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Joel rebuilt the battery from scratch in the episode if you missed it. He finds the components in the fridge and a bottle of sulfuric acid left by Bill. In 3rd world countries, people do this often, stripping the lead plates out of batteries and recharging the acid.