What Is 250W Electro-Magnetic Ballast?

This basic electro-magnetic ballast will allow you to power a 250w HPS bulb. 

You need to add a power cable, a reflector, a reflector cable and an HPS bulb.

Why Choose 250W Electro-Magnetic Ballast?

You need an affordable and simple to use power supply for a 250w HPS bulb. 

How To Use 250W Electro-Magnetic Ballast?

Connect the end cables to the reflector, place the ballast where you want it to be, likely outside the tent to reduce heat, connect the power cable to the ballast and then plug it into the main power. It will take a few seconds to power up and it will star to emit light.