The Best Kb 540-06 of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Kb 540-06 of 2022. Check our ranking below.

2,872 Reviews Scanned

Rank No. #1

Replacement Kobalt 40V Battery 6.0Ah for KB-540-06/KB440-06/KB240-06 Series | 40V MAX Lithium-Ion Battery | Compatible with 40 Volt Kobalt Cordless Power Tools | Fast Charging & Extended Runtime

【High-Performance 6.0Ah Capacity】Engineered with premium lithium-ion cells, this Kobalt 40V Battery 6.0Ah delivers 3X longer runtime than standard batteries. Perfect for demanding tasks with Kobalt 40V MAX tools, ensuring uninterrupted power for lawn mowers, chainsaws, and trimmers
【Smart LED Power Indicator】Featuring a 4-LED fuel gauge system, this 40 Volt Kobalt Battery provides real-time power status updates. Never get caught off-guard with precise battery level monitoring during intensive yard work
【Universal Compatibility】Designed as a direct replacement for Kobalt 40V tools (KB-540-06/KB440-06/KB240-06 series). This KOBALT battery 40 VOLT powers all 40V MAX cordless tools, including leaf blowers, hedge trimmers, and pole saws
【Advanced Safety Protection】Built with multiple safety mechanisms, this 40v lithium battery features overcharge/overheat protection and durable ABS+PC casing. Certified for reliable performance in various weather conditions
【24-Month Warranty】— Industry-Leading Protection Enjoy DOUBLE the coverage of most competitors (12 months). Save costs and shop worry for 2 full years! Questions about your battery? Click "Contact Seller" in "Your Orders" for a replacement or solution within 24 hours.

Rank No. #2

DONGPUCUN 40V 6.0Ah Battery for Kobalt 40V Battery MAX KB-540-06 KB440-06 KB240-06 KB2540C-06 KB640-03 Replacement for Kobalt 40V Lithium Battery

Brand New | Battery Type: Lithium-ion | Voltage: 40V | Capacity: 6.0Ah | Wattage: 240W | Battery Replacement for Kobalt 40V battery
Compatible with Kobalt 40v battery KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 etc. Compatible with Kobalt 40V system of cordless power tools such as 40V string trimmer, leaf blower, hedge trimmer, chainsaw, lawn mower. Fit for Kobalt 40V original battery chargers.
6.0Ah high capacity provide more runtime. LED level indicator on the battery helps you better plan your work.
Made with premium grade high-performance lithium cells, no memory effect and self-discharge, extended battery life. The shell is made of A0-class fireproof material, effectively eliminating the risk of fire. Build-in intelligent chip to provide all-around protection against over-charge, short-circuit, over-heat, over-load, and low-voltage.
Come with 45-day Money Back , 18-month extended product Warranty and 24*7 prompt customer service. If you have any issue or advice to us, just contact us at any time.

Rank No. #3

Supowill KB2540C-06 40V Replacement for Kobalt 40V Battery 6.0Ah KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03, Compatible with Kobalt Battery for 40V Cordless Power Tools

🏡[ Upgraded Battery for 4X Longer Runtime ]🌟: Type: Lithium-ion | Voltage: 40V | Capacity: 6000mAh | Watt: 240Wh (Offers 4X More Power than the Original Kobalt 40V 4.0Ah Battery, Makes Your Tools More Runing Time.) Lithium-ion battery for 40V Kobalt batteries delivers fade-free power with no memory loss after charging.
🎁[ Perfect Replacement For Kobalt 40V Battery ]🔌: 40V 6.0Ah Real Capacity Replacement Battery for Kobalt KB440-03 KB640-03 KB240-06 KB240C-06 KB640-06. 100% Compatible with Kobalt 40V Battery Chargers: KRC60-06 KRC40-06 KRC 840-03. Fit For All Kobalt 40V Tools. Makes Your Tools More Runing Time.
🔋[ Longevity Enhanced & Smart Ecp Protection ]👍: With a Recharge Cycle of 1000 Times and a Mere 1% Self-discharge Rate, The Supowill Replacement for Kobalt 40V Battery Ensures Flawless Operation for Up to 5 Years. Enhanced by a Battery Management System (BMS), It Provides Effective Protection Against Potential Damage from Short Circuits, Overcharging/Discharging, Over-voltage, and Overheating.
👷[ Don't Buy Inferior or Uncertified Batteries ]🔐: Do not purchase low-quality batteries (unauthorized batteries), be cautious as batteries may turn into 'bombs.' Supowill all products are certified by 𝐔𝐋/𝐂𝐄/𝐂𝐄/𝐅𝐂𝐂/𝐏𝐒𝐄/𝐑𝐎𝐇𝐒/𝐈𝐒𝐎𝟗𝟎𝟎𝟏/𝐂𝐁/𝐌𝐒𝐃𝐒/𝐔𝐍𝟑𝟖.𝟑, Fully Certified,Guaranteed Safety.
📧[ 2 Year Free Full Refund Or Replacement Only, No Repair] 💝: If You Have Any Questions About The Replacement For Kobalt 40V Battery, You Can Click The "𝐀𝐬𝐤 𝐀 𝐐𝐮𝐞𝐬𝐭𝐢𝐨𝐧" On Our Storefront Or In "𝐘𝐨𝐮𝐫 𝐎𝐫𝐝𝐞𝐫" Options Click The "𝐂𝐨𝐧𝐭𝐚𝐜𝐭 𝐒𝐞𝐥𝐥𝐞𝐫".We Are Committed To Resolving Any Situation In Which Our Product Does Not Meet Your Expectations.

SaleRank No. #4

40-Volt 4-Amps 4.0ah Rechargeable Lithium Ion (Li-Ion) Cordless Power Equipment Battery for Kobalt

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Rank No. #5

eJiasu Battery Replacement for Kobalt 40V, 6.0Ah Lithium-Ion Compatible Cordless Power Tool with 40 Volt Max Batteries KB-540-06 KB440-06 KB240-06 KB2540C-06 KB640-03

Replacement for Kobalt 40v Battery -- The 40 volt kobalt battery with a solid value in good design and engineering, kobalt battery 40v has 6AH capacity, wattage at 240Wh, support long-lasting performance and durability, kobalt 40v max battery great replace for all kobalt 40v batteries including KB440-03 KB2540C-06 KB640-03 KB240-06 KB640-06 KB245-06 ‎KRC40-06 KB440C-06 KRC60
Reliable Quality -- High quality battery cells integrated microchip protects the rechargeable battery replacement for kobalt batteries 40v and extends lifetime, equipped with automatic overload cut-off, short-circuit and over-voltage protection, no memory effect, kobalt battery leaf blower can be charged or discharged as needed without capacity reduction, the kobalt leaf blower battery easy meet your requirement
Widely Compatibility -- Kobalt 40 volt battery seamless fit for Kobalt 40-volt tools including the Kobalt 40v chain saws, weed whacker, leaf blower, lawn mower such as 20 inch mower KM 2041B-06 KPM1040A-03, 16 inch mower KM-1640-06(please check your mower model before purchase), string trimmer, pole saw, hedge trimmer, etc... , prolonging tool run time, and 40v battery kobalt can be fast charged with original Kobalt 40V Chargers KRC60-06, KRC40-06 and KRC840-03
Smart Battery Indicator -- Replacement for kobalt 40 V lithium battery with smart 4 led fuel indicators to show the batterty charging status, and if in demand, press the button near the indicator LED to show how much power remains in the 40v kobalt battery replacement
What you get -- 1x kobalt 40v battery 6.0ah, replacement for 40v max kobalt battery with 30-days money back and One Year Exchange aftersales service. Any problem, please feel free to contact us. Please click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller", we will give you the most satisfactory solution

Rank No. #6

JGSPJ 6.0Ah Battery Replacement for Kobalt 40V Battery KB 440-06‎ KB 540-06 KB 640-03(2Pack)

[Battery Specifications]: Replacement for Kobalt 40V Max Battery.Voltage: 40V, Capacity: 6000mAh, Battery type: Lithium-ion, Package: 2Pack.
[Replacement Model]: Perfect Replacement for 40V Kobalt Battery KB 640-06, KB 540-06, KB 440-06,‎ KB 340-06, KB 640-03, KB 440-03, KB 440C-06, KB 540C-06,etc.The LED indicator light allows user to conveniently monitor charge levels.
[100% Compatible]: Compatible with all 40V Power Tools Mower, Blowers, Trimmers & Edgers, Chainsaws & Pole Saws and Chargers KRC 60-06, KRC 40-06, KRC 840-03,etc.
[High Performance]: JGSPJ 40V Battery 6.0Ah meets CE, FCC, ROHS certifications, adopts advanced electronic and top A-grade cells which can provide 1000 times of charging and discharging without loss of capacity, perfectly compatible with OEM tools.
[Service Warranty]: All Batteries come with 90 Days refund & 12 Month Warranty & 24h Online Support. Any questions please click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller".

Rank No. #7

VEHAKIFA 40V 4.0ah Battery Compatible with Kobalt KB2540C-06 Lithium Ion Battery KB2540C-06 KB440-03 KB640-03 KB440-06‎ KB240-06 KB-540-06 Cordless Power Tool

Product Specification:Voltage: 40V,Capacity: 4000mAh,Watt: 160Wh,Type: Lithium-ion.Makes Your Tools More Runing Time
Perfect Compatibility:VEHAKIFA perfect Compatible with Kobalt 40V batteries KB640-06 KB440-03 KB640-03 KB240-06 KB240C-06 etc. VEHAKIFA compatible with Kobalt 40v 4.0ah battery is 100% compatible with more than 45 Kobalt 40V tools such as Kobalt 40V lawnmowers, leaf blowers, hedge trimmers, chainsaws and mowers
Led Indicator:Easily track the life of VEHAKIFA Compatible with Kobalt 40v 4.0ah batteries with the four LED capacity indicators, which displays the remaining battery power and charge level at a glance
Security Protection:Please do not purchase inferior and unauthorized batteries and beware of exploding batteries. All our Compatible with Kobalt 40v 4.0ah batteries are UL/CE certified, fully qualified and safety guaranteed
Friendly Service:If you have any questions about the product, we will respond

SaleRank No. #8

JGSPJ 6.0Ah Battery Replacement for Kobalt 40V Battery KB 640-06 KB 640-03 KB 540-06 KB 440-06‎ KB 340-06 40Volt Max Lithium Batteries

[Battery Specifications]: Battery Replacement for Kobalt 40V Max Battery. Battery Type: Lithium-ion | Voltage: 40V | Capacity: 6000mAh | Package: 1Pack 40V lithium battery.
[Replacement Model]: Perfect Replacement for Kobalt 40 Volt Battery KB 640-06, KB 540-06, KB 440-06,‎ KB 340-06, KB 640-03, KB 440-03, KB 440C-06, KB 540C-06,etc.The LED indicator light allows user to conveniently monitor charge levels.
[100% Compatible]: Compatible with all 40V Power Tools Mower, Blowers, Trimmers & Edgers, Chainsaws & Pole Saws and Chargers KRC 60-06, KRC 40-06, KRC 840-03,etc.
[High Performance]: JGSPJ 6.0Ah 40V Lithium battery meets CE, FCC, ROHS certifications, adopts advanced electronic and top A-grade cells which can provide 1000 times of charging and discharging without loss of capacity, perfectly compatible with OEM tools.
[Service Warranty]: All Batteries come with 90 Days refund & 12 Month Warranty & 24h Online Support. Any questions please click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller".

Rank No. #9

CPY Replacement for Kobalt 40V Battery 6Ah, Compatible with Kobalt 40V Max Battery KB-540-06 KB440-06 KB240-06 KB2540C-06 KB640-03 for Cordless Power Tools

【High-Performance 6.0Ah Capacity】：Engineered with premium lithium-ion cells, this Kobalt 40V battery 6.0Ah delivers 3X longer runtime than standard batteries. Perfect for demanding tasks with Kobalt 40V MAX battery tools, ensuring uninterrupted power for lawn mowers (KB-540-06), chainsaws (KB640-03), and trimmers (KB440-06).
【Smart 4-LED Power Monitoring】：Precision 4-level LED indicators deliver real-time battery status updates, ensuring uninterrupted workflow during intensive yard operations. Glare-resistant design guarantees clear visibility in direct sunlight while trimming, mowing, or sawing.
【Universal Compatibility】：40v kobalt battery Precisely engineered for KB-540-06/KB440-06/KB240-06 series. Powers all Kobalt 40V MAX tools: mow, blow, trim, saw with zero compatibility gaps.
【Triple-Safeguard Certified】：Encased in fire & impact-resistant ABS+PC composite, this battery endures extreme job site conditions . Its triple-layer protection system (overcharge/overheat/short-circuit) meets rigorous PSE, CE, and RoHS standards, delivering industry-leading safety for high-intensity operations.
【24-Month Peace of Mind】：Enjoy 24 months of worry-free coverage! Need help? Simply click "Contact Seller" in "Your Orders". Our support team is available 24/7 and will respond promptly to address your concern or arrange a replacement if needed.

Rank No. #10

Capowill 40V 6.0Ah Replacement Battery for Kobalt 40V KB2540C-06 Lithium Ion Battery KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 Cordless Power Tool

【Long-lasting Capacity】 The Capowill 40V 6.0Ah battery is not merely a replacement, but a superior battery designed to surpass OEM standards. Featuring actual capacity and top-tier lithium-ion cells, it offers extended runtime and increased power, ensuring exceptional performance to meet the demands of extended work periods.
【Comprehensive Compatibility】Fully compatible with the Kobat 40V charger, suitable for all Kobat 40V tools and for replacing Kobat 40V series batteries.
【Smart Battery Indicator】Four LED lights clearly display the remaining battery power and charging status, helping to effectively plan working hours.
【Reliable Safety Assurance】 The dependable Battery Cell Protection (BCP) ensures a safer and more worry-free experience. BCP guards against overcharging, over-discharging, excessive power, high temperatures, overcurrent, and short circuits. Additionally, the battery features effective cooling mechanisms to prevent overheating, allowing for peace of mind during use.
【Quality Assurance】 The Capowill replacement battery comes with CE, FCC, PS, and ROHS certifications, ensuring superior quality compared to OEM. It has undergone rigorous testing by the manufacturer, is trusted globally, and comes with a 12-month warranty.

Last update on 2025-11-20 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Kb 540-06?

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We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Kb 540-06 that you consider buying. Your questions might include the following:

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Potential sources can include buying guides for Kb 540-06, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Kb 540-06. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Kb 540-06 buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Kb 540-06 currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Kb 540-06 has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Kb 540-06?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Kb 540-06.
Customer Ratings: Number ratings grade Kb 540-06 objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Kb 540-06.
Product Quality: You don’t always get what you pay for with an Kb 540-06, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Kb 540-06 is should be an indication of how long it will work out for you.

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If you think that anything we present here regarding Kb 540-06 is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

Corsair 540

The Best Kb 540-06 of 2022 – Reviewed and Top Rated

How Do You Buy The Best Kb 540-06?

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