discount Solar Charge Controller Products Description 聽聽 How many watts can a 30 amp solar controller handle? 聽 The 30-amp solar charge controller has a maximum input of 450 Watts from a solar array. The 30-amp solar charge controller is designed for a 12-volt system only. 12-volt nominal output solar panels should be connected in parallel to keep the voltage at 12 volts. 30A Solar Charge Controller is a Digital PWM Solar Charge Controller for the lead-acid batteries connected to a solar power system. When connected to the battery, this charge controller automatically detects the battery voltage from 12V-24V. This charge controller has some advanced features like built-in short circuit protection, open-circuit protection, reverse voltage protection, overload protection, etc. which makes it ideal for grid power systems. 聽 Features: Built-In Industrial Micro Controller Big LCD Display Full 4 Stage PWM Charge Management Dual MOSFET Reverse Current Protection Low Heat Production 聽 Specifications: ModelSY3024H Battery Input12-24V Auto Charging Current (A)30 Discharge Current (A)30 Max. Solar Input (V)<50 USB3A@5V Operating Temperature Range (掳C)-35~60 Length (mm)150 Width (mm)78 Height (mm)35 Weight (gm)150 聽 Package Includes: 1 x 30A Intelligent LCD Solar Charge Controller How many solar panels can I put on a 30 amp controller? 聽 30A X 12V = 360W So, you should be good with 4 panels o 100W each. Excess watts are not usually a problem, but it is most important to not exceed the voltage rating of your controller. All controllers have a voltage rating. How many 100 watt solar panel do I need for a 30 amp controller? 聽 By the rule of thumb, a 100 watt solar panel inputs 30 amp-hours per day into your batteries. So you would need 1.33 100 watt panels, or one 133 watt panel to match your solar power needs. 聽discount Solar Charge Controller website:http://www.ybysolar.com/solar-charge-controller/