Connection US via Amazon offers the Tenker Fitbit Charge 2 Stainless Steel Band in several colors (Black pictured) from $9.99. Coupon code "WRKWS70U" cuts that to $3. Plus, Prime members bag free shipping. That's $8 off and the lowest price we could find. It's available in sizes S or L.

Update: Prices now start at $10.99 before coupon code "WRKWS70U", $3.30 after.