As one of its daily deals, Shnoop offers the Maxell Gold Series 9V Alkaline Battery 6-Pack, model no. 721110, for $8.79. Coupon code "xfPMydCB" cuts it to $7.79. With free shipping, that's $1.30 per battery, tied with our mention from last month, and the lowest total price we could find for this quantity by $4. Deal expires September 16 at 9:00 pm ET