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Dear purchasing manager,Good days!We are FANGPUSUN factory ,only specialzed in producing and developing solar charge controllers and inverters, we have PWM and MPPT function from 5A to 80A current work with 12V to 60V system voltage.
The price for PWM series from USD5.72-USD36.69
The price for MPPT series from USD15.88-USD311.82
Should any of these items be of interest to you, please let us know. We will be happy to give you a quotation upon receipt of your detailed requirements.  
We look forward to hearing from you soon.RegardsSarah WangWenzhou Xihe electric co.,ltd       wechat/Mobile:008613706607904   Tel:0086-577-61783177