ECO-WORTHY 24 Volts 600 Watts Solar Kit: 6pcs 100W Poly Solar Panels + 45A PWM Charge Controller + Solar Cable + MC4 Connectors + Mounting Brackets for Off-Grid RV Boat Price: $920.00 (as of 29/05/2018 01:41 PST- Details)

You need to connect this kit with 24v battery to make it work for 24v DC device. If you want this kit to work for your 110V AC appliances, you also need to buy an off-grid inverter.
This kit is expandable, it could best support 12v 500w solar panels or 24v 1000w solar panels.
The 45A controller is 12V/24V autodetect, you need to connect it to the battery firstly, then connect the solar panels with the controller.

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