Thumb Score: +45 Amazon has 4-Count Duracell CR2032 3V Lithium Coin Batteries for $4.29 - 5% when you check out via Subscribe & Save = $4.08. Shipping is free w/ Prime or on $35+ orders. Thanks to Deal Hunter phoinix for sharing this deal. Note, you have the flexibility to manage your Subscribe & Save subscription at any time after your order ships.