Posted on January 3, 2014 by admin how do you define between a propane tank or propane bottle? Is there a picture of the difference? A propane tank is usually 20lbs and typically used in patio, back yard cooking. A picture is here . A propane bottle is 1lb and typically used in camping/hiking. A picture is here . Post navigationPrevious post: We will match price!Next post: Could you tell me how your units compare to commercial Chinese wok ranges with foot controlled output?