In general, the electric hydraulic truck that has not been used for a long time should also be charged once a month, and should not be stored with power loss for a long time. The charging time is usually about 8 hours.
Before charging, check whether the battery is in good condition, whether it is damaged, whether the circuit is connected normally, and whether there is dust or dirt in the exhaust hole. Then, check the battery condition according to the indicator light. If the load voltage of the battery is lower than 10V and the no-load voltage is lower than 12.4V, it must be charged in time.