The jackery will work fine. The typical pellet smoker requires about 30 watts (30W) of electrical power when running, and anywhere from 300-500 watts (300-500W) for the 5-10 minutes during startup when the ignitor is running to light the pellets and the fan is running to build the fire in the...
A lot of good suggestions.
This will be long but I hope it helps. A pellet smoker will cook differently than a stick burner or BGE. Sometimes MUCH differently. Pellets will not, in general, give as much smoke flavor as your BGE, as pellet smokers burn way more efficiently. They produce a nearly...