hi everyone, the dump load is a needed piece even if never used, this is the protection so your system cant burn the house down in the event of,, overcharge and possible battery failure. there is a hologram effect there also. these are my opinions from testing. everybody has seen the dump load resistors available and there prices, they have also seen the heating elements , all come at a large price tag when you consider the wattages needed for a good proper system. I have been using the element type and one I built to control the inverters by voltage, both work well but the element type are about 50$ each and the one I made still cost about 28$ all said and done. well iv found a vary cheap and easy way , see { poorman guides } on the net. its a 1/4" all threaded stainless rod, is capable of 4000w and will work in open air or in water . the cost is about 7.89$ each at lowes + the nuts. I finished testing it to the extreme, { dead shorted with 1000 cca battery and 000 cables and it took about 15-20 seconds to glow red but worked for 12 minutes until the battery went dead and no failure. } this is with only one 1/4" rod and was a little scary, it was in the field 200ft away. this is a extreme test but shows the endurance it can handle. this will be the only type of dump load for me, vary cheap, vary durable and vary easy. why pay so much for the other dump load types and get so little wattage ability in return . remember that system protection is like the brakes on your car, you wouldn't drive your car with no brakes, well not for long anyway. thanks for reading.
-------------------------------------------------------------------------------------------------------------------------an update-----I was able to do another test using diesel gen and a 120amp draw dc electric motor driving a saw mill, the 1/4" stainless all threaded rod on the negative side and the mill ran all day. at the end of the day we loaded the mill until it almost stalled for almost ten minutes and not even a glow from the all threaded rod, this is the altimate dump load or shunt for a vary good price and vary durable. never will I buy any other dump loads. thanks again to poorman guides.com .
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