At present, the batteries used in the market for electric fish engines are not lead-acid batteries, and most of them are lithium batteries So what are the characteristics of lithium batteries, and what are the advantages? Four major advantages: 1, performance advantage: 21 years committed to the battery research and development, we have a post-doctoral research station, let us production of lithium batteries has absolute advantage in the performance, the large volume of only 2200mah, let more outstanding performance.