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Home Depot · 2 days ago
Popular Deal
Free w/ tool purchase as low as $40
free shipping w/ $25
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As part of Home Depot's Labor Day Sale, this Ryobi 2.0Ah battery is free with a number of different power tools. You can choose to bundle it with a charger, ratchet or screwdriver kits, or other tools, which start as low as $40. The battery works with the Ryobi USB Lithium system and can also charge mobile devices, with a built-in LED fuel gauge to track remaining power. Shipping is free and the deal ends on September 9. Shop Now at Home Depot
Features
- 2 amp hour lithium-ion battery
- Compatible with the RYOBI USB Lithium system
- Charges mobile devices
- LED fuel gauge shows battery level status
- Compact, lightweight design
Popular Deal
staff pick
Home Depot · 2 days ago
Popular Deal
Free w/ tool purchase
free shipping
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This Milwaukee M12 5.0Ah battery pack comes free with the purchase of a selection of different M12 cordless tools right now at Home Depot. It's worth $129 and can be bundled with a Milwaukee power tool that costs as little as $199. Shipping is free on all bundles. This battery delivers 25% more power, runs 25% cooler, and offers 25% more runtime than standard Milwaukee battery packs, and it works across more than 125 M12 cordless tools. The deal ends on September 9. Shop Now at Home Depot
Features
- 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
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B&H Photo Video · 1 wk ago
$110 $250
free shipping
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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
Features
- 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
Popular Deal
staff pick
Amazon · Jun 22, 2026
Popular Deal
$11
free shipping w/ Prime
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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
Features
- 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
staff pick
Woot! An Amazon Company · 6 days ago
$3 $6
free shipping w/ Prime
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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
Popular Deal
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Amazon · Jul 14, 2026
Popular Deal
$3 $7
free shipping w/ Prime
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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
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Amazon · Jul 3, 2026
Popular Deal
$10 via Sub & Save $26
free shipping w/ Prime
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Amazon offers the Rayovac High Energy Alkaline AA Batteries 60-Pack for $10 when you check Sub & Save and clip the on-page coupon. That's the best price we could find by $8 and the lowest we've seen for it. Prime members get free shipping. Buy Now at Amazon
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Amazon · Jul 3, 2026
$188 $357
free shipping
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This Milwaukee starter kit includes two high-output batteries and a charger for $188 at Amazon. You'd pay $299 for the same kit today at Home Depot, so this is a great deal. The batteries deliver 50% more power and run 50% cooler than Milwaukee's standard M18 RedLithium XC packs. Buy Now at Amazon
Features
- Includes two M18 RedLithium High Output XC6.0 batteries
- Includes one M18/M12 multi-voltage charger
- Delivers 50% more power than standard M18 RedLithium XC battery packs
- Runs 50% cooler than standard battery packs
- Operates in temperatures below 0°F
- Compatible with over 200 Milwaukee M18 cordless tools
staff pick
Amazon · Jun 28, 2026
$11 via Sub & Save $24
free shipping w/ Prime
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Subscribe for this price on these Duracell batteries. Shipping is free for Prime members. You'd pay around double this price elsewhere; it's also at its best price of the past few years on Amazon. Buy Now at Amazon
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Amazon · Jun 18, 2026
$11 via Sub. & Save $15
free shipping w/ Prime
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At Amazon, get the Energizer Alkaline Power AAA Batteries 20-Pack for $11 when you check out with Subscribe & Save. It's the best deal we've seen for this multipack. Shipping is free for Prime members. Buy Now at Amazon