Elon Musk takes jabs at Apple during Tesla earnings call

Tesla CEO Elon Musk took two potshots at Apple during a quarterly earnings conference call on Monday, noting the batteries in his company's cars use less cobalt than devices made by the tech giant.

Musk referenced Apple when questioned about Tesla's supply chain, specifically the use of cobalt — a mineral whose mining is often linked to human rights abuses — in lithium-ion batteries, reports CNBC."Apple uses I think almost 100% cobalt in their batteries and cell phones and laptops, but Tesla uses no cobalt in the iron-phosphate packs, and almost none in the nickel-based chemistries," Musk said. "On on a weighted-average basis we might use 2% cobalt compared to say, Apple's 100% cobalt. Anyway, so it's just really not a factor."

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