The solar controller is 30 Ampere. There are no problems with the solar controller. A maximum of 500 Watts at 12 Volts and 1000 Watts at 24 Volts solar panels can be used with the controller. Only the display of the solar controller is cracked, there are no other problems. Two phones can be charged at the same time with the controller. The market price 1950 of the controller is Taka. Location: Belkuchi, Mukundagati Bazar.