Solar Charge Controller 12 / 24 / 36 / 48 VDC MPPT ETL Listed to UL 458 / CSA 22.2. 60 A, 80 A and 100 A models.The Solidworks model contai all 3 configuratio. For more details on each of these model please go to:https:www.aimscorp.net/product-categoryolar-charge-controlle-mppt/This solar battery charge controller by AIMS Power features a smart tracking algorithm using MPPT charging technology and has less power loss performing at 97.5-99% efficiency, maximizing energy harvest. The tracking algorithm is automatic and varies with weather conditio. This charge controller also has temperature compeation protection using the included battery temperature seor. Charges 12, 24, 36 and 48 volt solar systems with multistage charging technology and adjusts according to battery type.The AIMS charge controller includes LED indicato to show charging status and faults. An LCD displays key information such as:battery voltage and capacitysolar panel voltage and wattagesolar panel charging currentKWH producedbattery charge modeDC load (current)Use are able to revise and set the default paramete according to system design. There is also a 485 connection block for computer monitoring of all charge controller functio. Backed by a 2 year warranty.