Wal-Mart sells the actual CR1632 battery, not an equivalent, as of 2015 for about $3. This battery serves as a replacement for calculators, watches, cameras and other electronics that use a CR1632 battery.
This CR1632 lithium battery replaces name brand batteries such as the CR1632 batteries by Panasonic, Toshiba and Sony. Wal-Mart customer reviews rate this battery with 4.3 stars out of five stars, and 100 percent of reviewers would recommend it to a friend. Customers claim that the battery works very well, but some were unhappy that the battery is not eligible for in-store pickup. Shipping incurs an additional charge.