Discount Rechargeable Battery Sales and Deals

This four-pack of Ryobi USB Lithium 2.0 Ah batteries is down to just $40, putting them at $10 apiece. You'd pay more than that for just two batteries at Walmart. Each battery can power RYOBI's USB Lithium tools or double as a charger for a mobile device. Shipping is free, too.  Buy Now at Home Depot

At Amazon, check out with Subscribe & Save to get this Amazon Basics AAA Rechargeable Batteries 24-Pack for $12.51. It's the best price Amazon has charged for this multipack. Each battery holds an 800 mAh charge and can be recharged up to 1000 times, and they retain 80% of their charge even after 2 years in storage. Buy Now at Amazon

These come in handy if you go through AAA batteries fast, since a rechargeable 24-pack means you're not constantly buying disposables for remotes, game controllers, and small electronics. At $12.49, that's half off the $24.99 list price. Apply coupon code "BBBSTAKS" for a savings of $12.50. Prime members get free shipping. Buy Now at Amazon

Stocking up on these makes sense if you go through a lot of AA batteries for remotes, game controllers, or kids' toys, since you can recharge them hundreds of times instead of tossing alkalines. At $12.99, that's $9 (41%) off the $21.99 list price for a 16-pack. Apply coupon code "OZNZF6RV" for a savings of $9. Buy Now at Amazon

Anyone maintaining backup power systems, alarms, or scooters needs a reliable spare battery on hand, and this one's F2 terminals make it a straightforward swap for equipment that already uses that connection. Buy Now at Home Depot

These high-capacity rechargeables suit anyone running through AAs in cameras, game controllers, or other high-drain gadgets, cutting down on disposable battery waste over time. At $7.99, that's $2 off the $9.99 list price. Buy Now at Amazon

Worth having on hand for backup power in things like alarm systems, exit lighting, or kids' ride-on toys, especially if your original battery is already starting to lose its charge. Buy Now at Home Depot

Stocking up on these makes sense if you go through a lot of AAs for remotes, game controllers, or kids' toys, since each one can be recharged hundreds of times instead of tossed. At $19.59, that's $5.40 off the $24.99 list price for a 16-pack. Buy Now at Amazon

Stock up with this if you go through batteries for remotes, flashlights, or kids' toys, since the kit covers both AA and AAA sizes along with a charger in one purchase. It's $10.60 off the $52.99 list price at Amazon. Buy Now at Amazon

Boat owners relying on a Day/Night solar vent will want a backup battery on hand for stretches without sun, and this replacement pack runs $16.48, about $5 off the $21.92 list price. Buy Now at Amazon

Stocking up on backup power for alarm systems, emergency lighting, or UPS units gets a lot cheaper when you buy in bulk like this, since these batteries tend to wear out around the same time anyway. Buy Now at Home Depot