CATL unveils second generation of its "Shenxing" fast-charging battery A five-minute charge can add over 320-miles of range The lithium-iron phosphate battery cells are cheaper than nickel-rich rivals China’s EV giants are currently embroiled in a battery charging arms race, as the likes of BYD, Huawei, and Zeekr all recently announced that they had cracked 1MW charging speeds for five-minute battery top-ups. CATL, which is the world’s largest EV battery manufacturer by a long way, has also joined in the competition, announcing that its next-generation 'Shenxing' LFP (lithium-ion phosphate) battery can add over 320 miles in just five minutes from…