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Hello my friends from the channel, great video! about used cells, how to safely reuse cells, selecting the ideal internal resistance for each project. A very common question, what is the ideal internal resistance? In the field of used cells we need to understand how the discharge rate works for each application! For electric bike batteries or other electric mobility applications the ideal is an internal resistance of less than 30MΩ for solar energy and other various applications that do not involve a high current such as speakers, flashlights and others, you can consider good cells to reuse with an internal resistance of less than 75MΩ the higher the internal resistance the lower the battery's drain capacity, consequently the greater the heating, the greater the heating the greater the danger. Complete course from our friend @chermont-ebike I recommend it! https://hotmart.com/pt-br/marketplace... Techlithium store on Mercado Livre https://lukacampos.mercadoshops.com.br/ success to all of us! ⚡????