Today only, until 9 pm ET, Shnoop offers the Sanyo Eneloop Eneloopy The Dog-Gone Battery Tester 3-Pack for $15.99. Coupon code "dealnews1" cuts it to $14.99. With free shipping, that's $5 per tester, $60 off list, and the lowest total price we could find. When you insert an AA or AAA battery into this little doggie and press the button on its chest, its nose lights up to indicate the level of battery charge left.