Mooch - Peel off those battery stickers! If you bought Samsung, Sony, LG, or Panasonic/Sanyo batteries then they probably came with stickers covering up the printing the manufacturer put on the battery
Amazon.com: Maxmoral 100pcs 18650 Lithium Battery Insulator Rings Hollow Paper Pad Electrical Insulation Ring Adhesive Cardboard Sticker (Red+Green) : Industrial & Scientific