Discount Battery Sales and Deals

Ending today, this 32-count pack of Energizer AAA batteries is $15.19 when you check out with Subscribe & Save. That's the best price we've seen since early April. Each battery carries a 10-year shelf life and contains up to 10% recycled steel. Buy Now at Amazon

Use promo code "SUMMERFIND20" to take 20% off (up to $500) Eco-Worthy lithium batteries at eBay. We found some of the best prices of the season on RV batteries, battery server racks, and backup batteries. These are all new and sold directly by the Eco-Worthy via eBay. Coupon ends July 1. Shop Now at eBay

At Amazon, get the Energizer Alkaline Power AAA Batteries 20-Pack for $11 when you check out with Subscribe & Save. It's the best deal we've seen for this multipack. Shipping is free for Prime members. Buy Now at Amazon

At Home Depot, this RYOBI ONE+ 18V / 40V Starter Kit is $89, down from $307. It includes an 18V 2Ah battery, a 40V 2Ah battery, and a dual platform Hyper Charger that can charge either battery in 25 minutes. Both batteries work with any RYOBI ONE+ or 40V tool. Home Depot also offers free shipping on this bundle. Buy Now at Home Depot

This Eco-Worthy 48V 60A charger is $191, down from $792, and the lowest price we could find by $186. It's built for LiFePO4 battery setups, including server rack batteries, and offers adjustable voltage and current for more control over charging. Shipping is free from a U.S. warehouse. This deal ends August 7.  Buy Now at AliExpress

This ECO-Worthy 12V 100Ah LiFePO4 battery drops to $134 when you apply promo code "MYUSAFF12" at AliExpress. That's within a couple bucks of the price we saw around Black Friday. It ships from the United States with free shipping and a rated capacity of 1,280Wh, Bluetooth connectivity, and low-temperature protection. Buy Now at AliExpress

Amazon's Subscribe & Save promotion knocks 40% off a first subscription order on more than 200 qualifying battery items. The discount spans brands like Energizer, Rayovac, and Eveready, covering everything from AA and AAA batteries to specialty hearing aid and coin cell batteries. Shop Now at Amazon

Woot has a range of replacement tool batteries for brands like DeWalt, Makita, Ryobi, and Worx, discounted by as much as 50% right now. This includes the Simple Plus+ 18V 6.0Ah Replacement Battery 2-Pack at $54.99, down from $89.99. Prices across the sale run from $36.99 up to $93.99 depending on voltage, capacity, and brand. This deals end on August 9. Shop Now at Woot! An Amazon Company

Home Depot offers the Ridgid 18V Battery Starter Kit for $34, an $85 savings.  Shipping is free.  Deal ends July 27th. Buy Now at Home Depot

With promo code "FAVEDEAL20", this 2-pack of third-party 20V Max 8.0Ah lithium-ion batteries compatible with DeWalt 20V Max tools drops to $32 at eBay. Similar generic batteries cost at least $45 at Amazon. The batteries carry CE, UL, FCC, and RoHS certifications and are listed with a 5-year manufacturer warranty. Coupon ends June 14.  Shop Now at eBay

Amazon offers the DeWalt 20V MAX XR Powerstack 3.5Ah Battery 2-Pack for $134. That's half of what you'd pay elsewhere. Shipping is free. Buy Now at Amazon

This Milwaukee M12 RedLithium High Output 5.0Ah XC5.0 Battery Pack, which is compatible with more than 125 M12 cordless tools, is $63 less than Home Depot charges. It comes with a 3-year manufacturer warranty and ships free. Buy Now at eBay

As one of its daily deals, Home Depot offers the DeWalt 20V MAX XR Powerstack Starter Kit for $134. That's $185 off and the lowest price we could find. It pairs a 5.0Ah and a 1.7Ah battery with a charger. The batteries include a 3-LED fuel gauge for checking charge level at a glance. Deal ends today.  Buy Now at Home Depot

With promo code "BRANDS20", this Makita BL4040F 40V Max XGT battery drops to $164. It's the best deal we could find by $50. The battery is built to run cooler under continuous heavy use, which can help maintain performance during extended jobs. Coupon ends August 16. Buy Now at eBay

At Amazon, clip the on-page coupon to get this 12V 6A Auto Battery Charger for $11. It's the best deal we've seen for this model. Shipping is free for Prime members. Buy Now at Amazon

Apply promo code "SUNSHINE20" to get this open-box Milwaukee M12/M18 Multi Voltage Charger for $15. It's the best deal we could find by $66. Coupon ends July 1. Buy Now at eBay

This CRAFTSMAN V20 2-pack includes a 4 Ah and a 2 Ah lithium-ion battery plus a charger for $99. A buy-1-get-1 promotion is also active letting you choose a free item — such as the CRAFTSMAN V20 Cordless Jigsaw (regularly $109) — with purchase. Some exclusions may apply. This promotion is valid through July 29, 2026. Buy Now at Lowe's

View the battery & charger stater kit and click 'shop this offer' to view the list of free power tools to choose. Depending on which you select, total savings can be as much as $238 off. This deal ends August 1. Shop Now at Home Depot

As part of today's daily deals, get this at the best price it's ever been. Buy Now at Lowe's