The following are the recommended quantities of solar panels and the recommended size of the controller in a 12V system:

SKU

Package Includes

80W Panel Qty

100W Panel Qty

175W Panel Qty

200W Panel Qty

Recommended Controller Size

RKIT100ACB Solar Adaptor Kit(6M 6MM² ) x1

1

1 1 1

10A / 20A / 30A

Maximum rated current of charge controller: 30A

Tray cable(2.4M 6MM²) x1

Solar Panel Mounting Z Bracket x1

RKIT200ACB

Solar Adaptor Kit(6M 6MM² ) x1

2

2

2 2

20A / 30A

Maximum rated current of charge controller: 30A

Tray cable(2.4M 6MM²) x1

Solar Branch Connectors MMF+FFM Pair x1

Solar Panel Mounting Z Bracket x2

RKIT300ACB

Solar Adaptor Kit(6M 6MM² ) x1

3

3

3 2

20A / 30A / 40A

Maximum rated current of charge controller: 40A

Tray cable(2.4M 10MM²) x1

Solar Branch Connectors MMF+FFM Pair x2

Solar Panel Mounting Z Bracket x3

RKIT400ACB

Solar Adaptor Kit(6M 6MM² ) x1

4

4

3  2

30A / 40A

Maximum rated current of charge controller: 40A

Tray cable(2.4M 10MM²) x1

Solar Branch Connectors MMF+FFM Pair x3

Solar Panel Mounting Z Bracket x4

Note: 

Maximum solar input wattage for 10A charge controller in a 12V system: 130W

Maximum solar input wattage for 20A charge controller in a 12V system: 260W

Maximum solar input wattage for 30A charge controller in a 12V system: 400W

Maximum solar input wattage for 40A charge controller in a 12V system: 520W