Deals on Discount Batteries

Apply promo code "USAFF70" to drop this Eco-Worthy 48V 100Ah LiFePO4 battery to $608, the lowest price we could find by $242. It's UL1973 and UL9540A listed and includes Bluetooth connectivity for monitoring battery status remotely. It ships free from a U.S. warehouse. This deal ends September 7. Buy Now at AliExpress

A 16-pack of rechargeable AA batteries makes sense for anyone running through disposables in remotes, game controllers, or kids' toys, since you can recharge hundreds of times instead of tossing them out. Apply coupon code "TQ7XPH5D" for a total savings of $10, and the best price we've seen. Buy Now at Amazon

This 48-pack of Amazon Basics AA batteries is $3 off the regular price of $15 when checking out via Subscribe & Save. They carry a 10-year shelf life. Buy Now at Amazon

This 48-pack of Energizer MAX AA batteries is $20 at Woot, a buck under what Amazon charges. Buy Now at Woot! An Amazon Company

This 48-count combo pack of Energizer MAX AA and AAA batteries is $24.99, down from $38.98. Plus you can knock off an extra buck when checking out via Subscribe & Save. The batteries are guaranteed against leakage for up to 2 years and can hold power for up to 10 years in storage. Buy Now at Amazon

Amazon's Subscribe & Save promotion covers a wide range of household batteries from Energizer and Rayovac, including everyday AA and AAA packs as well as specialty hearing aid and lithium coin batteries. Shop Now at Amazon

This Milwaukee starter kit includes two high-output batteries and a charger for $188 at Amazon. You'd pay $299 for the same kit today at Home Depot, so this is a great deal. The batteries deliver 50% more power and run 50% cooler than Milwaukee's standard M18 RedLithium XC packs. Buy Now at Amazon

Portable LiFePO4 (lithium iron phosphate) batteries are a common pairing with small solar setups, used for storing energy from panels to power lights, fans, or small devices off-grid. After factoring in the $$23.42 import charges and $2 payment processing fee, it's a low by $5. Buy Now at Alibaba

Subscribe for this price on these Duracell batteries.  Shipping is free for Prime members.  You'd pay around double this price elsewhere; it's also at its best price of the past few years on Amazon. Buy Now at Amazon

At $12.24 with Prime, these are 20% off their regular price of $15 and the lowest price we've seen this year. The pack includes a 10-year leak-free shelf life. Buy Now at Amazon

Amazon Basics AAA Alkaline Batteries drop to $11 with Prime, down from $14. Even better, check out with subscribe and save to drop the price to $10.43 and $0.29 per battery. The 36-pack carries a 10-year shelf life. Buy Now at Amazon