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The car emergency jump starter is a multifunctional portable mobile power supply developed for car lovers and business people who drive and travel. Its characteristic function is to start the car when it loses electricity or cannot start the car for other reasons. At the same time, the air pump is combined with an emergency power…

The world needs more electricity, preferably in a clean and renewable form. The energy storage market currently consists mainly of lithium-ion batteries. But what can we expect in the coming years? Let’s start with some battery basics. A battery pack consists of one or more cells, each with a positive electrode (cathode), a negative electrode…

Nowadays, it’s common knowledge that batteries lose their ability to retain a charge as they age. But why do they still take as long, if not longer, to charge than before? As Li-ion batteries get older, the charging time does not drop even if the accepted capacity is no longer 100%. This is called “capacity…