Deals on Discount Batteries

Handy for anyone already running Worx 20V tools who needs extra runtime without buying a whole new kit, though this one's currently priced the same as list, so there's no discount to factor in right now. Buy Now at Best Buy

A LiFePO4 battery at this size is a solid fit for kayak anglers or small boat setups where you want a lightweight, deep-cycle power source for a trolling motor without the weight of a lead-acid equivalent. At $151, that's $38 off the $190 list price. Buy Now at Amazon

A compact 20W USB-C charger that covers everyday fast charging for iPhones and USB-C devices, currently at its standard list price of $17. Buy Now at Best Buy

Keeps a car, boat, or motorcycle battery topped off during storage without overcharging, and it works with both standard and lithium batteries, so you don't need separate chargers for different vehicles. At $92, that's $23 off the $115 list price. Buy Now at Amazon

Handy replacement for anyone whose original Sony charger has gone missing or died, delivering the right voltage and wattage so you don't risk damaging your device with a mismatched adapter. Buy Now at Newegg

Handles up to 100W output over USB-C, which means it can fast-charge a laptop, phone, and another device simultaneously from a single plug. At $33, that's $14 off the $47 list price. Buy Now at Best Buy

These button batteries power everything from key fobs to small electronics and thermometers, so a 9-pack is handy to have on hand rather than buying single blisters each time you need one. At $8.98, that's $0.90 off the $9.88 list price. Buy Now at Amazon

Handy for anyone running battery-hungry devices like lanterns, radios, or toys off a wall outlet or power bank instead of constantly buying D batteries. It's a simple fix for older gadgets that eat through batteries fast, since it plugs into USB power and replaces the D cells directly in the compartment. Buy Now at Newegg

Saves you from constantly replacing batteries if you already own a touchless trash can that supports an AC adapter, since battery-powered sensors can drain quickly with regular use. Buy Now at Target

Designed for setups where a single battery needs to handle both starting and deep-cycle duties, this LiFePO4 unit suits RVs, boats, and off-grid systems that would otherwise need two separate batteries. At $255, it's $45 off the $300 list price. Buy Now at Amazon

Keeping a car, motorcycle, or lawn tractor battery topped off through winter storage is exactly what this maintainer handles, switching to trickle mode once it's charged so you don't have to babysit it. At $14.16, that's about $7 off the $21.50 list price. Buy Now at Amazon

A 3-in-1 magnetic charger that simultaneously charges your iPhone, Apple Watch, and AirPods from a single pad suits anyone trying to cut down on cable clutter on a nightstand or desk. Best Buy has this for $28, which is $12 off the $40 list price. Buy Now at Best Buy

Anyone juggling a laptop, phone, and tablet on one trip benefits from the 100W GaN design, which packs enough power for all three without the usual charger bulk. It's $15 off the list price at Walmart, bringing it to $25. Buy Now at Walmart

Handy for anyone shooting long days with a Sony camera that takes NP-BX1 batteries, since swapping in a fresh one beats waiting around for a single battery to charge. It's $3 off the usual $21 price. Buy Now at Amazon

Handy for households burning through batteries in remotes, toys, or game controllers, since you get 16 rechargeables at once instead of buying disposables on repeat, and Walmart has them at $12 off the $26 list price. Buy Now at Walmart

Handy for households burning through AAA batteries in remote controls, game controllers, or small electronics, since these can be recharged instead of tossed after one use, and Walmart has the 4-pack for $11 off the $26 list price. Buy Now at Walmart

Stock up on these for battery-hungry devices like flashlights and boomboxes that specifically need C-cell power, since a 16-pack lasts through plenty of replacements before you need more. Walmart has them for $22.99, which is $4 off the $26.99 list price. Buy Now at Walmart

Stocking up on AAAs for remotes, toys, or small electronics makes sense at this size pack, and Walmart has this 12-pack for $2 off the usual $10 price. Buy Now at Walmart

These come in handy for household electronics that chew through batteries fast, like remotes, game controllers, or kids' toys, and the 12-pack saves you trips to buy disposables. At $19.99, that's $2 off the $21.99 list price. Buy Now at Walmart

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

Anyone running a fleet of Datalogic Memor X3 handhelds will want a spare or two of this battery on hand, since swapping in a fresh one keeps devices in service instead of sitting on a charger during a shift. Buy Now at Newegg

Warehouse and inventory teams running MC32N0 or MC3300 scanners through long shifts will get the most out of the added capacity, since it keeps handhelds running without a mid-shift swap. Newegg carries it if you need a direct replacement without hunting down third-party alternatives. Buy Now at Newegg

This one's suited for powering scooters, alarm systems, or backup equipment that takes a standard 12V 7Ah battery, and at $16 it's $4 off the usual $20 list price. Buy Now at Amazon

Anyone still running the original Beats Pill 1.0 that won't hold a charge anymore can get more life out of it with this replacement battery instead of replacing the whole speaker. Newegg carries it as a straightforward fix for a speaker that's otherwise perfectly functional. Buy Now at Newegg