Visit Walgreens for a nice deal on Oral-B adult battery toothbrushes! The Complete, Pro-Health and 3D White battery toothbrushes are on sale for $5.99. Buy two and earn a $5.00 Register Reward, redeemable like store credit on a future shopping trip. Use one $2.00 eCoupon for a final price of $2.49 per toothbrush. The digital coupon must be clipped to your Balance Rewards card, and it will only apply one time.