This company patent cell body adopts silicon salt technology can make the cold start performance to achieve the best condition, and longer service life than ordinary lead-acid battery is doubled, and meet the requirements of environmental protection; the built-in anti overcharge protection device, when the battery is full of electricity can be automatically cut off the charging circuit, the battery was slightly decreased a little and can be connected to the charging the charging circuit until full and turn off, so that you can do not charge too large and long charging time, ensure and extend the battery life