LONGSING IOT battery has been used in many IOT enterprises, with the market share in the top three ranking of IOT battery industry. The IOT series battery pack combined through the series-parallel connection between HPC and lithium thionyl chloride battery can completely meet needs and triumphly applied to such items as intelligent transport(ETC electronic tag), active RFID, wireless communication data transmission (GPS+GSM or Beidou communication), smart meters for water, electricity and gas (AMI/AMR), sea rescue, field data transmission, container transport, customs lock and others.