The first charge notice:1, Dry battery in the specified storage period, in order to emergency, need to store for 30 minutes after joining standard specific gravity of the electrolyte, but then it needs to charge according to the specifications of charging;2, to control the battery charging process temperature, not more than 37 degrees Celsius, the lid off the single battery, ensure smooth ventilation;3, keep the electricity on the surface of the liquid effective height of more than 5 mm plate;4, ensure the normal order of the electrolyte proportion;5, the charger into the state of floating keeps 1-15 hours after stop charging.