
At Home Depot, this RYOBI ONE+ 18V / 40V Starter Kit is $89, down from $307. It includes an 18V 2Ah battery, a 40V 2Ah battery, and a dual platform Hyper Charger that can charge either battery in 25 minutes. Both batteries work with any RYOBI ONE+ or 40V tool. Home Depot also offers free shipping on this bundle. Buy Now at Home Depot
- Includes one 18V ONE+ 2Ah battery and one 40V 2Ah battery
- Dual platform Hyper Charger works with both 18V and 40V batteries
- Charges the 18V ONE+ 2Ah battery in 25 minutes
- Charges the 40V 2Ah battery in 25 minutes
- Batteries are compatible with any RYOBI ONE+ or 40V tool

This Eco-Worthy 48V 60A charger is $191, down from $792, and the lowest price we could find by $186. It's built for LiFePO4 battery setups, including server rack batteries, and offers adjustable voltage and current for more control over charging. Shipping is free from a U.S. warehouse. This deal ends August 7. Buy Now at AliExpress
- Adjustable output voltage and current settings
- Designed for 48V lithium (LiFePO4) battery packs, including server rack batteries
- 60A charging capacity
- Measures 11.5" x 6.3" x 3.9"
- Weighs 5.5 kg (about 12 lb.)
- Version 2 upgraded design

Woot has a range of replacement tool batteries for brands like DeWalt, Makita, Ryobi, and Worx, discounted by as much as 50% right now. This includes the Simple Plus+ 18V 6.0Ah Replacement Battery 2-Pack at $54.99, down from $89.99. Prices across the sale run from $36.99 up to $93.99 depending on voltage, capacity, and brand. This deals end on August 9. Shop Now at Woot! An Amazon Company
- Replacement batteries for brands like DeWalt, Makita, Ryobi, and Worx
- Capacities ranging from 3Ah to 9Ah
- Voltages include 18V, 20V, 40V, and 60V options
- Some batteries sold in 2-packs

Home Depot offers the Ridgid 18V Battery Starter Kit for $34, an $85 savings. Shipping is free. Deal ends July 27th. Buy Now at Home Depot
- Includes an 18V 2.0 Ah lithium-ion battery

This Milwaukee M12 RedLithium High Output 5.0Ah XC5.0 Battery Pack, which is compatible with more than 125 M12 cordless tools, is $63 less than Home Depot charges. It comes with a 3-year manufacturer warranty and ships free. Buy Now at eBay
- 25% more power than standard M12 XC batteries
- 5.0Ah extended runtime for longer performance
- Performs in extreme temperatures down to -18C
- Chemical-resistant housing protects against oils and greases
- Compatible with 125+ Milwaukee M12 cordless tools

As one of its daily deals, Home Depot offers the DeWalt 20V MAX XR Powerstack Starter Kit for $134. That's $185 off and the lowest price we could find. It pairs a 5.0Ah and a 1.7Ah battery with a charger. The batteries include a 3-LED fuel gauge for checking charge level at a glance. Deal ends today. Buy Now at Home Depot
- Includes one 5.0Ah and one 1.7Ah 20V MAX XR POWERSTACK battery
- Includes a battery charger
- No memory or self-discharge effect helps extend battery life
- 3-LED fuel gauge shows remaining charge level
- Lightweight, compact design for easier portability

At Amazon, clip the on-page coupon to get this 12V 6A Auto Battery Charger for $11. It's the best deal we've seen for this model. Shipping is free for Prime members. Buy Now at Amazon
- 12V, 6A output
- Compatible with AGM, gel, LiFePO4, and lead-acid batteries
- Digital display: real-time voltage, current, charge percentage, and status
- Pulse repair for mildly sulfated batteries
- Protections: reverse connection, short circuit, over-temperature, over-current
- Universal 100-240V input; operating range -10°C to +45°C

Apply promo code "SUNSHINE20" to get this open-box Milwaukee M12/M18 Multi Voltage Charger for $15. It's the best deal we could find by $66. Coupon ends July 1. Buy Now at eBay
- Compatible with M12 and M18 Milwaukee battery platforms
- Model: 48-59-1812

This CRAFTSMAN V20 2-pack includes a 4 Ah and a 2 Ah lithium-ion battery plus a charger for $99. A buy-1-get-1 promotion is also active letting you choose a free item — such as the CRAFTSMAN V20 Cordless Jigsaw (regularly $109) — with purchase. Some exclusions may apply. This promotion is valid through July 29, 2026. Buy Now at Lowe's
- 20V MAX lithium-ion platform
- Includes 4 Ah and 2 Ah batteries
- Charger included
- Model: CMCB204-CKVA
- Compatible with CRAFTSMAN V20 tool lineup

View the battery & charger stater kit and click 'shop this offer' to view the list of free power tools to choose. Depending on which you select, total savings can be as much as $238 off. This deal ends August 1. Shop Now at Home Depot
- Includes one 2.0 Ah and one 4.0 Ah 18V lithium-ion battery
- Includes a charger for both batteries
- Compatible with over 300 RYOBI 18V ONE+ tools

Amazon offers the Motopower 12V Automatic Battery Charger & Maintainer for $14.16. That's a $7 low. Shipping is free for Prime members. Buy Now at Amazon

This Makita 18V LXT starter pack, which includes two 4.0Ah batteries and a charger, is $99, down from $168. This price is at an all-time low on Amazon. Free shipping applies. Buy Now at Amazon
- Includes two 18V LXT lithium-ion 4.0Ah batteries and a charger
- Battery reaches full charge in 90 minutes
- Provides up to 35% more run time per charge compared to the BL1830 battery
- Integrated LED indicator shows battery charge level
- Works in extreme temperatures down to -4°F
- Backed by a 3-year limited warranty

Six ports and 200W of total output makes this a practical hub for households or desks where multiple devices need charging at once, and the GaN design keeps it compact relative to the wattage. At $56, it's $14 off the $70 list price. Buy Now at Best Buy
- 200W total output power
- Six ports for simultaneous device charging
- 100W power delivery per USB-C port
- Charges devices to 50 percent in 28 minutes
- MultiProtect and ActiveShield 3.0 safety monitoring

As part of today's daily deals, get this at the best price it's ever been. Buy Now at Lowe's
- charger is compatible with Craftsman V20 power tool and outdoor tool batteries
- includes 4Ah and 6Ah Lithium-Ion batteries
- 3-LED state-of-charge indicator

Amazon offers this Greenworks battery 2-pack with charger for $105. That's a 34% savings. Shipping is free. Buy Now at Amazon
- Two 4.0Ah (96Wh) 24V lithium-ion batteries included
- Dual-port rapid charger included
- Compatible with Greenworks 24V and 48V (2x24V) products
- Built-in USB port; 24,000mAh power bank capacity per battery
- On-board battery charge indicator
- 3-year battery and charger warranty

You'd pay $5 more at Amazon. Buy Now at B&H Photo Video

Use promo code "USAFF5" to drop the price. That makes for a total savings of $65 off. Shipping is free. Buy Now at AliExpress

At Amazon, get this 12V 6A Auto Battery Charger for $11.50 when you add it to your cart and proceed to checkout. It's the lowest price that Amazon has charged for this battery charger. Shipping is free for Prime members. Shop Now at Amazon

At eBay, get the Refurb Greenworks 80V 2A Standard Charger for $30. That's a savings of $20. It's backed by a two-year Allstate warranty. Buy Now at eBay