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Lifepo4 cells - EVE, Highstar, Lishen, Hinying, CATL (test, cost). The video tells how to distinguish new Lifepo4 cells from used ones using the example of 5 popular brands. The main indicators are demonstrated: internal resistance and real delivered capacity. Oleksandr +380980308310 (Viber, telegram) +380660308310 https://alternativeenergy.olx.ua/