If you are evaluating a used unit, here is what made it a "party-in-a-box":
: Renowned for extreme ice retention (up to several days) and rugged rotomolded construction. Available at Amazon . Coleman Xtreme Series where can i buy the coolest cooler
A 20v rechargeable ice-crushing blender capable of making over a dozen pitchers per charge. If you are evaluating a used unit, here