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Efest 18650 batteries are the perfect choice for power-sensitive projects. Efest has a long history of providing quality, reliable batteries and their 18650 line is no exception. With a wide variety of options to choose from, Efest 18650 batteries guarantee satisfaction with performance that surpasses expectations. Whether you need the capacity of 3500mAh or the powerhouse 35A discharge rate, Efest delivers fully tested batteries that function even in the toughest conditions. Efest 18650 batteries provide a stable source of energy with all the features you need to achieve your power needs – and then some!