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Power voltage:DC24V
Working voltage:DC18V-30V
Max voltage:DC36V
PWM frequency:20KHZ
Max charging current:6A
Max working current:50A-60A
Use environment temperature:-25------ +50
Storage temperature:-40------ +65
Free shipping,The transport way will be decided by seller,
In general,we will delivery by UPS and DHL,or AREMEX
(But There are somecountries need pay more shipping cost)
(Russian Federation,Brazil,Chile,Ukraine)