
At Woot, this 4-pack of Energizer 2032 lithium coin batteries is $3.49, down from a $5.99 reference price. New Woot customers can also get an extra $3 off at checkout without a promo code. It's the best deal we've seen for this battery multipack. Deal ends September 12. Buy Now at Woot! An Amazon Company

Today only, this SmallRig VB99 Mini V-Mount Battery is $110 at B&H Photo Video. That's $140 off original list, $100 under our mention from two weeks ago, and the lowest price we've seen. It supports up to a 14A draw and includes D-Tap, USB-C, USB-A, and dual barrel outputs for powering cameras, gimbals, and drones. It can fast charge via USB-C PD in under two hours and has a built-in OLED display for checking remaining capacity. Free shipping applies. Buy Now at B&H Photo Video
- 99Wh lithium-ion V-mount battery
- Supports up to a 14A draw at 14.8V
- Includes D-Tap, USB-A, USB-C, and two DC barrel outputs
- Charges via USB-C PD fast charging in under 2 hours
- Built-in OLED display shows battery capacity and status
- Includes a limited 2-year manufacturer warranty

As one of its daily deals, Lowe's has marked down a range of Greenworks and Kobalt batteries and chargers, with prices starting at $19.99. Choose in-store pickup to dodge the $5.99 shipping fee, or get free shipping with orders of $25 or more by signing up to MyLowe's Rewards. (It's free to join.)
Buy Now at Lowe's
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
- 48-pack of 1.5-volt AA alkaline batteries
- 10-year shelf life with leak-free design
- Suited for game controllers, toys, flashlights, digital cameras, & clocks
- Ships in frustration-free packaging
- Single-use, non-rechargeable batteries

At Woot, get this Energizer MAX AAA Batteries 24-Pack for $9.99. It's the best price we could find by $16. They're built with Powerseal Technology, which guards against leaks for up to two years after the batteries are used, and carry a shelf life of up to 12 years in storage. Deal ends August 31.
New to Woot? New customers can add this multipack to cart to get it for $4.99 automatically at checkout. Buy Now at Woot! An Amazon Company

This ECO-WORTHY LiFePO4 battery with included charger is $246, down from $823. Shipping is free from a U.S. warehouse. It's built for solar off-grid setups, RVs, and home backup use, with Bluetooth connectivity for monitoring battery status remotely. This deal ends August 26. Buy Now at AliExpress
- 3584Wh total energy capacity at 12V, 280Ah
- Includes a 12/24V 20A charger
- Bluetooth connectivity for monitoring
- Weighs about 62.8 lb. (28.5 kg)

AliExpress offers the Eco-Worthy 3,584Wh 12V 280Ah LiFePO4 RV Battery for $243.25 (reduced from $278.25) in Orange via promo code "AEDN35" with free shipping from a U.S warehouse.
It's also available in Gold for $360.64 (reduced from $401.14) via promo code "AEDN50". Buy Now at AliExpress
- LiFePO4 battery supports 6,000+ deep charge cycles
- 12V 280Ah capacity with up to 3,584Wh energy
- Expandable up to 57.3kWh with series and parallel setup
- Built-in 200A BMS protects against overcharge, discharge, and short circuit
- Metal case improves fire resistance and structural durability
- Bluetooth monitoring with low-temperature charging protection
- Shock- and vibration-resistant design for mobile applications
- Low temperature cut off
- Deep cycle for campers and trailers

With promo code "NEWFINDS20", this 2-pack of third-party 20V Max 8.0Ah lithium-ion batteries compatible with DeWalt 20V Max tools drops to $26 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 August 9. Buy Now at eBay
- 20V Max, 8.0Ah Li-Ion
- Compatible with DeWalt DCB200, DCB201, DCB204, DCB205, DCB206
- CE, UL, FCC, RoHS, IEC, ISO9001/9002 certified
- 5-year manufacturer warranty
- Pack of 2

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
- Includes 48 AA batteries, packaged as 12 retail 4-packs
- Alkaline battery design for everyday electronics
- Holds power for up to 12 years in storage
- Designed to protect devices from leakage for up to 2 years after full use
- New condition

Ending today, AliExpress has this RV Pozwer 12V 100Ah LiFePO4 Battery for just $97. You'll need to add the promo code "YUSAF16" in cart to get this deal. That's $59 cheaper than Amazon's price. Shipping is free from a local US warehouse, too. The battery offers 1280Wh of capacity with a built-in 100A battery management system and a rated lifespan of up to 25,000 charge cycles, making it suited for solar, RV, or off-grid power setups. Buy Now at AliExpress
- 1280Wh nominal capacity with a 100Ah rating
- Built-in 100A battery management system (BMS)
- Rated for up to 25,000 charge cycles
- Weighs about 23.0 lb.
- Measures 13.0" x 6.8" x 8.5"
- Suitable for solar, RV, and off-grid power setups

At AliExpress, you can get the Eco-Worthy 48V 100Ah LiFePO4 battery and an Eco-Worthy 48V off-grid inverter for just $1,167. You'll get this price in the cart by applying the promo code "YUSAF70". You'd pay around $300 more for a similar bundle at Amazon. Shipping is free from a local US warehouse, too. The coupon ends on August 7. Buy Now at AliExpress
- 48V, 100Ah LiFePO4 lithium battery chemistry
- Bluetooth connectivity for monitoring
- UL1973 and UL9540A certified
- Rated for 5,000W load power
- 48V output voltage, designed for home backup and off-grid use
- 24-hour work time

This Eco-Worth 2-pack of 12V 280Ah LiFePO4 batteries is $508 via promo code "VSUSAFF120", down from $1,585. Each battery includes a built-in 200A battery management system, Bluetooth monitoring, and low-temperature cutoff protection, and comes housed in a metal case for use in campers and trailers. Get free shipping from a U.S. warehouse. This deal ends August 26. Buy Now at AliExpress
- Two 12V 280Ah LiFePO4 batteries with metal case construction
- Built-in 200A battery management system
- Bluetooth monitoring w/ low-temperature cutoff protection
- Each battery measures 15.4 x 8.64 x 9.65" and weighs about 66 lb.
- Suited for deep-cycle use in campers and trailers

For one last day, AliExpress has a wide range of Eco-Worthy LiFePO4 batteries on sale, with discounts as high as 71%. It includes small 10Ah packs up to massive 314Ah units built for home backup power. Prices start at $63 for compact batteries, while larger systems designed for RVs, marine use, and solar off-grid setups discounted by hundreds of bucks. All of these ship for free, too. Shop Now at AliExpress
- Lineup spans 10Ah to 314Ah LiFePO4 battery capacities
- Several models include Bluetooth monitoring and built-in battery management systems
- Low-temperature protection featured on many higher-capacity models
- Options suited for RVs, marine use, solar off-grid systems, and home backup power
- Larger units pair with hybrid inverters for home energy backup

The Woot Battery Bonanza cuts prices across several household battery packs. The Panasonic CRP2 Photo Lithium Battery drops to $2.99, down from $9.45, and the 16-pack of Energizer MAX AAA Batteries falls to $6.99, down from $15.99. The 6-pack of Energizer 123 Lithium Batteries is $8.99, down from $19.99. Free shipping is available for Amazon Prime members, too. This sale ends July 13. Buy Now at Woot! An Amazon Company
- Includes rechargeable AA and AAA battery options
- Alkaline and lithium battery types available
- Multi-packs range from 4 to 16 batteries per order
- Options include Duracell, Energizer, and AmazonBasics brands

This Eco-Worthy 12V 20Ah battery double-pack is down as low as $76 with the AliExpress promo code "DEALUS10". (Depending on your account status, this may be a few bucks less or a few more.) It's a strong deal as you'd pay $120 for the same pack today at Amazon. Shipping is free from a local US warehouse and the coupon expires on July 31.Â
Lithium iron phosphate batteries like these are rated for far more charge cycles than a standard lead-acid battery, which typically lasts a few hundred cycles before wearing out. The built-in battery management system guards against overcharging, over-discharging, and short circuits, functions that lead-acid batteries lack entirely. Buy Now at AliExpress
- Two 12V 20Ah lithium iron phosphate (LiFePO4) batteries included
- Built-in battery management system (BMS) for protection
- Rated for 3,000+ deep charge cycles
- 256Wh nominal capacity per battery
- Weighs 5.7 lb. per battery
- Measures 7.2" x 3.0" x 6.7"

Ending today, AliExpress discounts a wide range of Eco-Worthy lithium batteries, from small 10Ah portable packs to large 314Ah home backup systems. Plus, you can use the promo codes listed below to knock an extra $2 to $70 off most models. This knocks the starting price down to just $58 for the pictured pack. Many models include Bluetooth monitoring and built-in battery management systems, with some bundled with solar panels or inverters for off-grid power setups. Shipping is free on most models, too. The coupons:Â
- extra $2 off $18 via "DEALUS2"
- extra $5 off $39 via "DEALUS5"
- extra $10 off $69 via "DEALUS10"
- extra $20 off $139 via "DEALUS20"
- extra $23 off $169 via "DEALUS23"
- extra $35 off $249 via "DEALUS35"
- extra $55 off $379 via "DEALUS55"
- extra $70 off $499 via "DEALUS70" Buy Now at AliExpress
- Includes LiFePO4 lithium batteries in various capacities from 10Ah to 314Ah
- Several models include Bluetooth monitoring for tracking battery status
- Options include 12V, 36V, and 48V rated batteries for different uses
- Some batteries feature built-in low-temperature protection and battery management systems
- Server rack and home backup battery kits available alongside portable and trolling motor batteries
- Some listings include bundled solar panels, inverters, or chargers

Amazon offers the Eveready CR2032 Lithium 3V Battery 10-Pack for $3.01 when you clip the coupon and subscribe. That's its best-ever price. Shipping is free for Prime members. Buy Now at Amazon

This Eco-Worthy battery drops to $155 with the promo code "YUSAF23". The same model costs $250 right now at Amazon. Shipping is free from a local US warehouse and the coupon expires on August 7.Â
The LiFePO4 chemistry it uses is built for a long service life and stable performance in extreme conditions, and this model adds a low-temperature cutoff that protects the cells from charging damage in cold weather. Its built-in 120A battery management system guards against overcharging, over-discharging, short circuits, and temperature extremes, and Bluetooth lets owners track voltage, current, and charge level from a phone. Buy Now at AliExpress
- 150AH nominal capacity at 12V
- Built-in 120A battery management system
- Bluetooth connectivity for monitoring
- Low temperature protection
- Weighs 15.7 kg (about 34.6 lb.)
- Measures 12.3" x 7.9" x 11.3"

With promo code "NEWFINDS20", this ECO-WORTHY 2-pack of 48V 100Ah lithium batteries drops to $1,799.99, down from $2,149.99. We've pictured the ECO-WORTHY server rack battery set featured in this listing. The batteries support vertical rack mounting and include Bluetooth and WiFi monitoring through the ECO-WORTHY app. Coupon ends August 9. Buy Now at eBay
- 48V 100Ah lithium battery, sold as a 2-pack
- Supports vertical mounting for server rack setups
- Built-in Bluetooth and WiFi for monitoring via the ECO-WORTHY app
- Meets UL1973 and UL9540A certification standards

Update: The price has changed to $9.99 since this was originally published.
At Amazon, check out with Subscribe & Save to get this Bonai CR123A 3V Lithium Battery 12-Pack for $9.49. It's the best price Amazon has charged for this multipack. They're rated for a 10-year shelf life and can operate in temperatures from -40°F to 140°F, making them suited for outdoor sensors and flashlights. Buy Now at Amazon