DealNews - Discount Battery Sales - Wholesale Batteries and Replacement Battery Deals

Wegear 100W 3-Port GaN USB-C Wall Charger for $25 + free shipping w/ $35

Fri, 21 Aug 2026 23:27:29 -0400

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

Features

100W maximum USB-C fast charging

Sunbat 6,040mAh Rechargeable Ring Camera Battery 2-Pack for $23 + free shipping w/ $35

Fri, 21 Aug 2026 23:24:04 -0400

Handy for anyone whose Ring doorbell keeps dying at the worst moment, this two-pack lets you swap in a charged battery instead of waiting hours for one to power back up. It's $1.80 off the $24.49 list price at Walmart. Buy Now at Walmart

Features

6040mAh rechargeable lithium-ion battery capacity
Compatible with Ring Video Doorbell 3, 3 Plus, 4
Dual pack for continuous device uptime
Convenient micro-USB charging port
Consistent 3.65V power delivery

12V 6A Smart Battery Trickle Charger for $14 + free shipping w/ $35

Fri, 21 Aug 2026 23:09:12 -0400

Handy for keeping a car, motorcycle, or boat battery topped off during winter storage or infrequent use, since the smart charger stops feeding power once it's full. Walmart has it for $2 off the $16 list price. Buy Now at Walmart

Features

Pulse repair restores battery performance and extends life
Eight layers of safety protection for secure charging
Float and trickle charging for long-term battery maintenance
Automatic temperature detection for safe all-weather charging
Broad compatibility for diverse vehicle and battery types

Xueyu 12V 24V 20-Amp Smart Battery Charger and Maintainer for $39 + free shipping

Fri, 21 Aug 2026 23:07:29 -0400

This charger works for both 12V and 24V systems, so it covers cars, motorcycles, boats, and larger equipment like RVs or tractors from a single unit. Walmart has it for $39, which is $31 (about 44%) off the $70 list price. Buy Now at Walmart

Features

7-stage quick charging system
Charges and maintains 12V and 24V batteries
Engineered for lead-acid and lithium automotive batteries
Automatic battery repair function

12V 8Ah SLA Battery Replacement 2-Pack for $40

Fri, 21 Aug 2026 01:26:02 -0400

Two batteries at once cover you for backup systems or equipment that needs a matching set, so you're not stuck ordering a second one later when the first battery's original pair also dies. It's a practical option for alarm systems, scooters, or UPS units that call for 12V 8Ah SLA power. Buy Now at Home Depot

Motopower 12V 1,000mA Automatic Battery Charger and Maintainer for $14 + free shipping w/ Prime

Thu, 20 Aug 2026 23:21:48 -0400

Handy for keeping a car, motorcycle, or lawn mower battery topped off during storage since it switches to maintenance mode once fully charged, and it's currently $7.27 off the $21.50 list price. Buy Now at Amazon

Features

Maximizes battery performance and extends lifespan
Pulse charging technology for 12V lead acid batteries
Automatic charging and maintenance with overload protection
Clear LED charging status and mode indication
Compact fire-resistant design with quick release connectors

Motopower 12V 1,000mA Automatic Battery Charger and Maintainer for $14 + free shipping w/ Prime

Thu, 20 Aug 2026 22:54:47 -0400

Keeping a car, motorcycle, or lawn equipment battery topped off over winter storage is the main job here, and this automatic maintainer switches off once it's fully charged so you don't have to babysit it. At $14, that's about $5 (25%) off the $19 list price. Buy Now at Amazon

Features

Pulse technology extends battery performance and life
Automatic overcharge protection with spark-free technology
Compatible with all 12V lead-acid, AGM, and gel batteries
Energy-saving design with zero output standby mode
Includes quick-release ring terminals and 50amp alligator clamps

Motopower MP00205B 12V 1,000mA Automatic Battery Charger and Maintainer for $14 + free shipping w/ Prime

Thu, 20 Aug 2026 22:43:13 -0400

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

Features

Pulse charging technology extends battery life
Automatic overcharge protection and maintenance
Spark-free operation for enhanced safety
Compact fire-resistant design
Includes ring terminals and alligator clamp harnesses

LR20 D-Size Battery Eliminator USB Power Supply Cable for $16

Thu, 20 Aug 2026 00:14:16 -0400

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

Features

Replaces 1 to 3 D size batteries
5V 2A USB powered
Eliminates need for disposable batteries
Standard USB power supply compatibility
Convenient adapter cable design

WeinCell 1.35V PX625 Replacement Battery for $7 + free shipping w/ $35

Wed, 19 Aug 2026 23:48:11 -0400

Old cameras and light meters that call for 1.35V mercury cells can be tricky to power now that the originals are banned, so this is worth grabbing if you've got vintage gear sitting unused because you can't find a compatible battery. Buy Now at Walmart

Features

Model: WEIN

WolfBox 4,000A Car Jump Starter for $90 + free shipping

Wed, 19 Aug 2026 23:40:35 -0400

Handy for anyone who's dealt with a dead battery in a parking lot, since this jumps your car without needing another vehicle nearby, and it also works as a portable power bank for phones and other devices. Walmart has it for $80 off the $170 list price. Buy Now at Walmart

Features

4000A peak current jump starts vehicles instantly
24000mAh high capacity battery
Portable design for emergency roadside assistance
High-power output for multiple vehicle jumps

Giatero 4,000A 150-PSI Portable Jump Starter and Air Compressor for $40 + free shipping

Wed, 19 Aug 2026 23:40:19 -0400

Handy for anyone who's dealt with a dead battery or low tire on the same trip, since this combines a jump starter with an air compressor in one unit, and Walmart has it marked down $46 (about 53%) off the list price. Buy Now at Walmart

Features

4000A peak current starts engines up to 10L
10 built-in safety protection technologies
Integrated 150 PSI tire inflator with smart screen
400-lumen LED light with three modes
Mobile power bank with Quick Charge USB port

10-Amp 12V and 24V Automatic Smart Car Battery Charger and Maintainer for $27 + free shipping w/ $35

Wed, 19 Aug 2026 23:37:58 -0400

Handles both 12V and 24V systems automatically, so it's a solid pick for households with a car and a boat, RV, or other larger battery to maintain. Walmart has it for $27, which is $13 (33%) off the $40 list price. Buy Now at Walmart

Features

10-Amp quick charging for 12V and 24V batteries
Advanced pulse repair restores idle or old batteries
Built-in temperature detection for -10°C to 40°C operation
Comprehensive safety suite with 8-fold circuit protection
Trickle charge mode maintains battery health during storage

12V 6A Smart Battery Trickle Charger and Maintainer for $18 + free shipping w/ $35

Wed, 19 Aug 2026 23:36:14 -0400

Keeping a car, motorcycle, or boat battery topped off during long stretches of storage is the main use case here, and this one automatically switches to maintenance mode once it's fully charged so you don't have to babysit it. Walmart has it for $18, which is $15 (about 45%) off the $33 list price. Buy Now at Walmart

Features

Restores battery performance with pulse repair technology
Prevents damage with eight integrated safety protection circuits
Maintains batteries indefinitely with automatic trickle charge mode
Operates reliably in temperatures from -10°C to 40°C
Compatible with wide range of automotive and small batteries

Husgw 10A 12V Fully-Automatic Smart Car Battery Charger for $24 + free shipping w/ $35

Wed, 19 Aug 2026 23:34:33 -0400

Keeping a battery topped off between drives matters most for cars that sit for weeks at a time, and this automatic charger senses when it's full to avoid overcharging. At $23.98, that's $22 off the $45.99 list price. Buy Now at Walmart

Features

12V 10A stable and gentle charging output
High-definition status display screen
Compatible with lead-acid and LiFePO4 batteries
Multiple safety protections against overcharge and short circuits
Standard US plug for plug and play usage

4,000A 39,800mAh Portable Car Jump Starter for $39 + free shipping

Wed, 19 Aug 2026 23:29:29 -0400

Handy to keep in your trunk if you drive an older car or just want backup power for dead batteries without waiting on roadside assistance, and it's currently $4 off the list price at Walmart. Buy Now at Walmart

Features

4000A peak current jump starter
High 39800mAh capacity power bank
Holds charge for over three months
Fast charging output for portable devices
Integrated main power off switch

QQV 10,000mAh Battery Head Strap for Meta Quest 3, 3S, and 2 for $40 + free shipping

Wed, 19 Aug 2026 22:06:14 -0400

Extended playtime without stopping to recharge is the main selling point here, and it suits anyone who's found the stock Quest strap uncomfortable for long sessions. Walmart has it for $40, which is $30 (43%) off the $70 list price. Buy Now at Walmart

Features

Magnetic hot-swappable 10,000mAh battery for extended playtime
Ergonomic weight distribution system eliminates facial strain
45-degree quick-access flip-up hinge
Tool-free adjustable knobs for custom fit
Glasses-friendly design with included lens spacers

Duracell CR2032 3V Lithium Battery 9-Pack for $9 + free shipping w/ Prime

Wed, 19 Aug 2026 08:45:59 -0400

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

Features

Powers AirTags, car fobs, and medical devices
Bitter taste coating deters accidental child ingestion
Longer battery life compared to leading competitor
Guaranteed against defects in material and workmanship
Child-safe protective packaging

Accessories XPND Pedal Power Battery Kit for $255

Tue, 18 Aug 2026 23:43:20 -0400

Musicians and gearheads running multiple pedals off a single power source will appreciate this, since it cuts down on battery swaps and the tangle of individual adapters cluttering your board. Buy Now at Newegg

Features

USB charging battery power supply
Customizable daisy chain configuration
Portable guitar pedal power system
Rechargeable lithium ion battery power
Compact pedalboard power solution

Gooloo GT4000S 4,000A Jump Starter for $100 + free shipping

Tue, 18 Aug 2026 22:24:50 -0400

Update: The price has changed to $99.99 since this was originally published.

Stalled batteries in cold weather or older vehicles are the main use case here, and this jump starter delivers enough amperage for most trucks and SUVs without needing another car around. Amazon has it for $100, which is $50 off the $150 list price. Buy Now at Amazon

Features

4000A peak power for engines up to 12.0L
100W fast-charging jump starter fully charges in 1.2 hours
100W output for charging MacBooks and laptops
Integrated LED screen for intuitive jumpstart status
Multifunctional with triple USB ports and 400-lumen flashlight