Amazon Discount Battery Sales and Deals

Worx battery-powered tools tend to run through charge cycles quickly, so a spare 5.0Ah pack like this suits anyone using their yard tools for extended stretches without wanting to stop and recharge. The sale only trims $4 off the $80 list price, so this one's less about the discount and more about keeping a backup on hand. Buy Now at Amazon

Keeps your battery locked in place so vibration and rough roads don't cause it to shift or work its terminals loose over time, a small fix worth having if you've dealt with a rattling or wandering battery before. Buy Now at Amazon

This 2-pack suits off-grid setups, RVs, or solar systems where you need serious amp-hour capacity without the upkeep of lead-acid batteries, and it's currently $150 below list price. Buy Now at Amazon

Cordless yard tool owners who need a reliable backup or replacement power source will find this useful, especially if you're already invested in the Greenworks 60V system, and it's currently $13 (15%) off the $88 list price. Buy Now at Amazon

These rechargeable batteries handle their own charge cycles individually, so mismatched charge levels across batteries won't slow down the fastest ones, useful if you go through a lot of AA/AAA batteries for household electronics. At $34.73, it's about $2 off the $36.70 list price. Buy Now at Amazon

Handy for anyone juggling a laptop, tablet, and phone off one outlet, since the GaN design packs 128W across three ports without the bulk of older chargers, and it's currently $5.22 off the list price at Amazon. Buy Now at Amazon

Handy for keeping a car, motorcycle, or seasonal vehicle battery topped off when it's sitting unused for weeks at a time, since it automatically switches to maintenance mode once fully charged. At $13.47, that's $8.03 off the $21.50 list price. Buy Now at Amazon

This charger works well if you own multiple Litheli U20 tools and don't want to swap a single battery back and forth while you work, since it charges two batteries at once. It's on Amazon for $59.43, about $7 off the $66 list price. Buy Now at Amazon

Handy for travel since it skips the bulky puck and plugs directly into USB power, useful if you're often charging your Watch away from home. It's $4 off the list price at $10. Buy Now at Amazon

A dead battery in a parking lot is a lot less stressful when you've got a jump starter in the trunk instead of jumper cables and a favor to ask, and this one's rated for 5,000A. It's $9 off the $57 list price on Amazon right now. Buy Now at Amazon

Handy for anyone with a drawer full of mismatched batteries, since the magnetic tip lets you check charge levels hands-free without holding leads in place, and it's $2 off the usual price. Buy Now at Amazon

Handy for anyone tired of buying disposable AAs for remotes, game controllers, or flashlights, since this set comes with a charger so you can reuse the same batteries for years. At $28, that's $7 (20%) off the $35 list price. Buy Now at Amazon

Update: The price has changed to $35.90 since this was originally published.

Keeping one of these in your trunk means you won't need to flag down a stranger when your battery dies on a cold morning, and at $36 it's about $13 off the usual $49 price. Buy Now at Amazon

This heavy-duty stud fits panel-mount applications where you need a reliable 400A, 600V connection point, making it a fit for electricians and marine or industrial power setups. It's priced at $20.03, about $7 (26%) off the $27.19 list price. Buy Now at Amazon

Update: The price has dropped to $49.99 since this was originally published.

This sealed GEL battery suits motorcycle and powersport owners who want a maintenance-free replacement that won't leak, and it's currently $4.44 off the list price at Amazon. Buy Now at Amazon