Deep cycle lithium battery are applied widely for its great advantages than lead-acid batteries. 1.UPS battery, can supply bank up power in some aspects require Uninterruptible Power Supply 2.Solar power system, deep cycle lifepo4 battery can be used as storage battery in solar power system. Make electricity available not only in days also in night. 3.Supply electricity in some places which no electricity is available. Such as RV, yacht, Marine. Supply necessary electricity for people in life. 4.Supply power for electric boat, Forklift, electric vehicles to replace fuel energy, to reduce environment and air pollution, supply fresh air for people.