1.For a new car battery,it's no need to charge ,to add liquid,you can use it after fiffting on the car.during the usage,liquid is never in need.

2.When using,keep the battery clean,make sure the connection contacts well.coated some vaseline on connection between the pole and line and fasten the batteries well.

3.Strong polypropylene container,low discharge ,less water losing,well cold starting capability.

4.If need to offload the battery to charge,you can charge it with constant current of less than 0.2C20A,and kee the voltage in 14.2-14.6V.

5.Keep batteries in a dry place ,avoiding the sunshine.batteries with half year storage,before use ,you should charge them.charging method:0.1C20A.Eg:60AH battery: charging with 6A for 6 hours. 

6.The battery is suitable  for a car with 14.2-14.4 charging voltage.