Name: Kobalt Ultimate Output 24 -Volt 1 -Pack Battery ( 4 Ah Lithium )
Brand: Kobalt
SKU: 5000020305
Price: 79 USD
Availability: InStock
Rating: 4.5 (474 reviews)

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KOBALT 24-Volt Max Ultimate Output Battery. The Ultimate Output lithium ion battery utilizes cutting edge technology for high energy 24-volt power tools, like KOBALT XTR tools. The power Indicator display allows immediate feedback on charge status. While internal technology protects the battery pack from extreme temperatures. Compatible with the entire line of KOBALT 24V Max tools and includes a 3-year limited warranty.

Compatible with all Kobalt 24-volt max cordless power tools (sold separately)
Utilizes the latest battery cell technology that high energy 24V power tools demand
Lighter weight versus the 24V MAX 4.0Ah Extended Run battery
Battery pack is optimized for use with XTR tools
Power indicator displays charge status and can be used whether the battery is on the tool or off
Internal circuitry protects the battery pack from extreme temperatures, over-discharge, and over-charge for longer life
3-year limited warranty gives you peace of mind

General
Sub-Brand	Ultimate Output	Battery Package Count	1
Charges Battery Voltage	24v	Battery Type	Lithium
Package Contents	Battery	Battery Voltage	24-volt
Type	Battery

Features
Battery 1 Amp-Hours	4	Charge Time (Hours)	1.16
Battery 2 Amp-Hours	0	Charger Included	No
Battery Platform	Kobalt 24V	Wireless	No
Voltage	24	Cordless	Yes

Compatibility
Works with iOS	No	App Compatibility	No
Works with Android	No	Bluetooth Compatibility	No
Wi-Fi Compatibility	No	Brand/Model Compatibility	Kobalt 24-volt

Warranty
Warranty	3-year

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -

Miscellaneous
UNSPSC	26111700

Check out the Best Selling Power Tool Batteries & Chargers on Lowes.com

Review

4.5 out of 5

474 Reviews

84% Recommend this product

Ratings may include incentivized customer reviews.

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+ 6

What Customers Are Saying

The battery provides excellent runtime and capacity for a wide range of power tools, significantly outperforming smaller 4Ah batteries. It is praised for its long-lasting power, especially when used with demanding tools. However, some customers have reported issues with battery longevity, having to return multiple batteries. Overall, the battery is considered a high-quality, powerful, and long-lasting option for Kobalt 24V power tool users.

Customer review summary generated by AI, including incentivized reviews.

474 Customer Reviews

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Works

Long run time, charges fast

BurghunterSeptember 1, 2026
Verified Purchaser

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Do not order online, Lowes will not deliver

Would Not Recommend

Do not order anything online from lowes, they use idiot delivery people that leave your stuff in the street so walkers by can steal it,. They do not attempt to contact you either.

lowesuckAugust 24, 2026
Verified Purchaser

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Response from Kobalt Team

Hi there! Thank you for reviewing your Kobalt KXB 424-03 24v ultimate output battery. We're sorry to hear that you didn't receive it. Please ...

Kobalt TeamAugust 26, 2026

Chervon-Kobalt

29 Questions

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		Name	Current Item KobaltUltimate Output 24 -Volt 1 -Pack Battery ( 4 Ah Lithium )
		Ratings	474
		Type	Battery
		Cordless
		Battery Type	Lithium
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