This 32-pack of Energizer AA batteries is $15.19 via Subscribe & Save. That's at least $5 less than other sellers. Shipping is free for Prime members.  Buy Now at Amazon

This Anlmz charging station in Black for $15.29. That's a $10 savings. It charges an iPhone, Apple Watch, and AirPods at once, and includes the 18W adapter and USB-C cable needed to power it. Shipping is free for Prime members.  Buy Now at Amazon

This 24-pack of Energizer MAX AAA batteries is $10 off, dropping to $9.99 from the $19.99 reference price at Woot. It's the best price we could find by $10. These batteries carry a shelf life of up to 12 years in storage and include leak protection for up to two years after use. Buy Now at Woot! An Amazon Company

Whole-home solar setups or off-grid cabins needing serious backup capacity will find the 16.1kWh rating useful, since it's enough to run major appliances for extended stretches rather than just a few devices. AliExpress has it at $1,853.39, $80 off the $1,933.39 list price. Apply coupon code "SAVING80E" for a savings of $80. Buy Now at AliExpress

Update: The price has changed to $22.05 since this was originally published.

This 12-pack of rechargeable AA lithium batteries comes with a charger included, bringing the price to $22.05. It's the best price Amazon has charged for this set. Each battery holds a 3600mWh charge and is rated for 2,000 recharge cycles, offering a reusable alternative to disposable AA batteries. 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

AliExpress has a wide range of Eco-Worthy LiFePO4 batteries on sale with discounts of up to 74% off. Plus, you can get extra discounts depending on the price of your order. Use "USAFF2" for $2 off $15, "USAFF4" for $4 off $30, "USAFF005" for $5 off $38, "USAFF9" for $9 off $69, "USAFF014" for $14 off $99, "USAFF15" for $15 off $109, "USAFF23" for $23 off $169, "USAFF35" for $35 off $259, "USAFF52" for $52 off $359, "USAFF55" for $55 off $379, and "USAFF70" for $70 off $499. Capacities span from small 10Ah packs for fish finders up to 280Ah and 400Ah batteries built for RVs, campers, and home solar setups. All of these ship for free too.  Shop Now at AliExpress

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

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

This new Woot Power Hour sale has good deals on batteries and charging accessories, including a 24-pack of Energizer MAX AAA batteries for $10, down from $20. Discounts across the sale reach as high as 76% off, covering items like power banks, wireless charging stations, and USB cables in addition to batteries. Amazon Prime members get free standard shipping on Woot orders, too. This sale ends October 31. Shop Now at Woot! An Amazon Company

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

This Amazon Basics 24-count battery pack is $7.97 for Prime members via Subscribe & Save after an on-page coupon. It's a $5 savings. Shipping is free. Buy Now at Amazon

Get a free Bosch shop vac when you buy this kit that pairs Bosch's 8Ah 18V battery with a 16A charger that uses two cooling fans and can bring the battery to a full charge in as fast as 39 minutes. At $199, it's $50 off the kit's regular $249 price, and the shop vac is a value of $169, for a total savings of $219. Shipping is free. Buy Now at Lowe's

This Aukey MagFusion charging station is $31.99 at Best Buy today. That's a $48 savings. My Best Buy members get free shipping on all orders (it's free to join). Buy Now at Best Buy

This 8-pack of Energizer Ultimate Lithium AAA batteries will drop to just $7.79 when you clip the coupon on the product page and check out with Subscribe & Save. It's a great deal as you'd pay at least $15 at Walmart today, and even more at most stores. Shipping is free with Prime, too. They're built to perform in temperatures from -40°F to 140°F and can sit in storage for up to 25 years without losing their charge. Buy Now at Amazon

This 36-count pack of Amazon Basics AAA batteries is $10.95 with Subscribe & Save after the on-page coupon. It's a $3 savings. Shipping is free for Prime members.  Buy Now at Amazon

This Aukey MagFusion Magnetic Wireless Charging Station is now $31.99 at Best Buy. That's $8 under our mention in March and the best price we've seen for this charger. It charges an iPhone, Apple Watch, and AirPods at once with 15W wireless charging and a magnetic connection. My Best Buy members get free shipping, too (it's free to join). Buy Now at Best Buy

Clip the coupon and subscribe to drop the Energizer Max AAA Batteries 24-Pack to $7.05.  That's a $6 low and its best price.  Shipping is free for Prime members. Buy Now at Amazon

At Best Buy, this 4-pack of Rayovac High Energy AA batteries is down to $2.99. You'd pay a buck or two more for similar packs from Home Depot and Amazon. These alkaline batteries carry a 10-year power guarantee for storage life. Shipping is free for My Best Buy members, too (it's free to join). Buy Now at Best Buy

Today only, this SmallRig VB99 Mini V-Mount Battery is $110 at B&H Photo Video. That's $140 off original list, $100 under our mention from two weeks ago, and the lowest price we've seen. It  supports up to a 14A draw and includes D-Tap, USB-C, USB-A, and dual barrel outputs for powering cameras, gimbals, and drones. It can fast charge via USB-C PD in under two hours and has a built-in OLED display for checking remaining capacity. Free shipping applies.  Buy Now at B&H Photo Video

Charges and maintains both 12V and 24V batteries, so it's worth keeping around if you've got a car, boat, or lawn equipment sitting idle between uses. Walmart has it for $28.99, which is $14 off the $42.99 list price. Buy Now at Walmart

Dead batteries happen at the worst times, and keeping this in your trunk means you can restart your own car without waiting on anyone else or hooking up cables to a second vehicle. Walmart has it for $36, which is $34 off the $70 list price. Buy Now at Walmart

Keeping one of these in your trunk saves you from waiting on roadside assistance when your battery dies, and at $42, it's $22 off the $64 list price from Walmart. Buy Now at Walmart

Keeps LiFePO4 batteries properly maintained without overcharging, a solid pick for anyone running solar setups, RVs, or marine electronics, and Walmart has it marked down $15 from the usual $78. Buy Now at Walmart

Handy for topping off a car, motorcycle, or boat battery over the winter so you're not stuck with a dead one come spring, and it's $1.10 off the list price at Walmart. Buy Now at Walmart

Handy for anyone maintaining a car, boat, or lawn equipment battery over the off-season, since it automatically adjusts between 12V and 24V systems; it's $2.11 off the list price at Walmart. Buy Now at Walmart

This converter lets you use your existing 18V battery pack on tools from a different brand, which is useful if you've got a mismatched collection of tools and batteries cluttering your garage. It's $2 off the $15 list price at Walmart. Buy Now at Walmart

Gamers who are tired of burning through AA batteries can swap in this rechargeable pack and skip the ongoing replacement costs; it's currently $10 off the $26 list price at Walmart. Buy Now at Walmart

These C batteries work well for stocking up on items like flashlights, lanterns, and boomboxes that still rely on this less common size, and at $13.99 you're paying $6 less than the $19.99 list price. Buy Now at Walmart

These work well for stocking up on batteries for flashlights, cameras, or home security sensors that take CR123A cells, since you're covering a dozen at once instead of buying them one at a time. At $20, that's $5 off the $25 list price. Buy Now at Walmart

Handy for smoke detectors, guitar pedals, or other devices that take 9V batteries, so you've got a backup stash on hand instead of buying them one at a time. Walmart has the 6-pack for $12.59, about $7 off the $19.99 list price. Buy Now at Walmart

These work well for stocking up on remotes, toys, or household gadgets so you're not running to the store every time one dies, and at $12 for 24, that's $3 off the $15 list price. Buy Now at Walmart

Stocking up makes sense here since remotes, toys, and small electronics all seem to need AAAs eventually, and 40 batteries at once means fewer last-minute store runs. At $15.99, that's $4 off the $19.99 list price. Buy Now at Walmart

These small 12V batteries power remote controls, doorbells, and other low-drain electronics that take an A23 cell, and a 5-pack at $5.98 saves you $2.01 off the $7.99 list price. Buy Now at Walmart

This pack makes sense if your household goes through a lot of key fobs, watches, or small electronics, since you'll always have a replacement on hand instead of buying batteries one at a time. At 50 count, the per-battery cost works out lower than picking up singles or small packs elsewhere. Buy Now at Newegg

Anyone keeping an older Kawasaki KLR650 running will want a reliable starting battery on hand, and this YTX14AHL is built to the spec that model calls for, so you're not guessing on fit or capacity. Buy Now at Home Depot

Your Razor MX350 needs a reliable power source to keep going, and this sealed lead acid battery is built specifically for that model, so you won't run into fit or compatibility issues. It's a straightforward replacement pick for anyone whose original battery is losing charge or won't hold a charge anymore. Buy Now at Home Depot

Owners of the Honda TRX680FA FourTrax Rincon will want this as a direct replacement when the stock battery dies, since the gel construction resists vibration and leaks better than a standard flooded battery during rough off-road use. Buy Now at Home Depot