Base-1017. Metal Ego Battery Holder - Shiny Colorful Ego Battery metal Dock Base tray. Single Holder for ego series batteries, even the complete vape pen. About 35 gram, heavy and bright. Assorted colors. Unit price: $2.00 - $2.50 Price: 1 to 9     $2.50 each 10 to 49     $2.25 each 50 or more     $2.00 each Unit: each Quantity: