MPPT solar panel controller 20A photovoltaic system 12V24V48V can with 485 communication

1.Material: 
2.Voltage:12V/24V
3.Current: 20A
4.Customized logo MOQ 500PCS
5.Size/Net weight：210*151*59.5mm/1kg
6.Packing information:
TNSize：
QTY/CTY：
NW:
GW：
7.Payment term: T/T, Paypal, Alibaba Trade Assurance 
8.Shipping ways: ① By Express/Air Cargo/Sea
9.Whatsapp/number:+8613610242692