China debuts sodium battery storage breakthrough – a 320 Ah Cell that outlasts lithium
supplychainWhen a battery can operate at 50 degrees below zero, hold a charge for three decades, and survive a nail driven through its core without exploding, the conversation about energy storage shifts from what is possible to what is being hidden. China’s Rept Battero has done exactly that with its new Wending 320 Ah sodium-ion cell, unveiled at SNEC 2026 in Shanghai.
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