Milwaukee’s two-pack of high-output batteries is another great deal, currently an impressive 50 percent off—a savings of $150—at Walmart. These 18-volt batteries are compatible with over 150 M18 cordless tools and have a 6-amp-hour capacity. They also come with overload protection and a three-year warranty.

Named the top cushioning shoe in our roundup of the best women’s walking shoes, the Hoka Clifton 9 has an extra-supportive, yet lightweight feel. According to our tester, they’re also a great choice for those with wide feet.

The 1More SonoFlow, our choice as the best budget headphones, are available from Amazon's Prime Day with a 20% discount that drops their price to just $60.

For the first time, Seattle-based Amazon is holding the now-misnamed Prime Day over four days. The e-commerce giant’s promised blitz of summer deals for Prime members started at 3:01 a.m. Eastern time on Tuesday and ends early Friday.

Save on some of our parenting editors' favorite gear with these Amazon Prime Day baby deals. Some of our top picks include 36% off strollers, car seats, toys and more.

The Beats Pill is our top choice among the best Bluetooth speakers, and it's on sale for its lowest-ever price for Amazon's Prime Day.

Amazon Prime Day officially got underway Tuesday, with the summer sales event slated to last through July 11. Competitors Target and Walmart are also holding multi-day sales events.