AAA Batteries 36-Pack

As part of Home Depot's Labor Day Sale, this Ryobi 2.0Ah battery is free with a number of different power tools. You can choose to bundle it with a charger, ratchet or screwdriver kits, or other tools, which start as low as $40. The battery works with the Ryobi USB Lithium system and can also charge mobile devices, with a built-in LED fuel gauge to track remaining power. Shipping is free and the deal ends on September 9. Shop Now at Home Depot

Woot's Energizer Battery Bonanza covers a wide range of batteries, from AAA and AA alkaline packs to lithium coin cells and rechargeables. The Energizer MAX AAA Batteries 24-Pack is $9.99, down from $19.99, while the Energizer Max AA Batteries 6-Pack is $3.99. Other brands in the sale include Duracell, Fuji, and Amazon Basics. This deal ends September 25. Shop Now at Woot! An Amazon Company

This Milwaukee M12 5.0Ah battery pack comes free with the purchase of a selection of different M12 cordless tools right now at Home Depot. It's worth $129 and can be bundled with a Milwaukee power tool that costs as little as $199. Shipping is free on all bundles. This battery delivers 25% more power, runs 25% cooler, and offers 25% more runtime than standard Milwaukee battery packs, and it works across more than 125 M12 cordless tools. The deal ends on September 9. Shop Now at Home Depot

These lithium AAs hold a steady 1.5V output rather than the gradual drop-off you get with NiMH rechargeables, which matters for devices like game controllers or cameras that get finicky on low voltage. Apply coupon code "TLLFNROB" for a total savings of $15. Buy Now at Amazon

Shop a large selection of home items, electronics, and more in Amazon's Resale section and get up to an extra 30% off your order at checkout. Shipping is free for Prime members. The amount of the discount is shown on individual product pages. These items in the Amazon Resale section are returns that have been put through a quality check process and graded anywhere from "Used, As Is" to "Like New" condition. Shop Now at Amazon

Amazon's Labor Day Sale features discounts as high as 60% right now (the banner says up to 45% off, but we've found higher discounts within). There are deals across all major categories, including TVs, power generators, Dyson vacuums, backpacks, small appliances, and lots more. There's also strong savings to be found in Amazon's Haul, Outlet, and Resale sections. Shipping is free for Prime members on everything, too. Shop Now at Amazon

Shop a large selection of home items, electronics, and more in Amazon's Resale section and get up to an extra 30% off your order at checkout. Shipping is free for Prime members. The amount of the discount is shown on individual product pages. These items in the Amazon Resale section are returns that have been put through a quality check process and graded anywhere from "Used, As Is" to "Like New" condition. Shop Now at Amazon

Amazon offers this Retractable 9-Foot Stainless Steel Clothesline for $9.99.  That's a $7 low.  Shipping is free for Prime members. Buy Now at Amazon