OPzV Telecom Battery Energy Storage Battery OPzV series( Sacred Sun GFMJ-H series) Gel batteries use German tubular pure gel technology, key raw material is imported from Europe, key production equipment imported from Europe. Practice shows that the battery has superior service life and reliability, good cycling performance and charge acceptance ability, can be used in high-low temperature environment, poor power condition and pure cycle use solar energy, wind energy of various types of communication base stations.