The Best Kobalt 40V 4.0 Ah Battery of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Kobalt 40V 4.0 Ah Battery of 2022. Check our ranking below.

2,609 Reviews Scanned

SaleRank No. #1

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

High performance Kobalt 40-volt Li-ion 4.0ah battery delivers fade-free power with no memory loss after charging
Long run battery has double the capacity of the 2.0-Ah Kobalt quick charge battery and provides extended run time
Compatible with the Kobalt 40-volt max team of tools
Fuel gauge provides an easy check on available power level

Rank No. #2

POWITEC 40V 4.0Ah Replacement Battery for Kobalt 40V MAX Battery KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 Cordless Power Equipment Battery

✔️【Stronger & Longer 40-Volt battery】4.0Ah battery provides 3X longer runtime for Kobalt 40v tools and much more power than original Kobalt 40V battery. With higher capacity and long lasting performance you can cut half the time it takes to do a job!
✔️【Excellent Compatibility】Compatible with multiple Kobalt 40V cordless tool such as Kobalt 40V string trimmer, leaf blower, hedge trimmer, chainsaw and lawn mower etc. Replacement Battery for Kobalt KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03
✔️【Intelligent Battery Management】this replacement battery for Kobalt 40V battery features advanced cell protection to provide fade free, cord-like power, which allows battery and tools to communicate to provide the best performance possible that powers through heavier applications and protects against overloading and overheating.
✔️【Upgraded compact construction】 This 40-Volt battery of 3rd generation has been improved in the battery energy density and possesses a lighter weight so that it can offer lengthened runtime and stronger power.
✔️【4-LED fuel gauge】 4 LED lights indicate the remaining power at a glance and the level of charge for quick reference to battery status. Fast charge with original Kobalt 40V battery charger KRC60-06,KRC40-06,KRC 840-03.

Rank No. #3

Supowill 40V 4.0Ah Replacement for Kobalt 40V Battery Kobalt KB2540C-06 Lithium Ion Battery KB440-03 KB640-03 KB240-06 KB240C-06 KB640-06 KB245-06 Kb540-06 ‎Cordless Power Tool Battery

🏡[ Upgraded Battery for 4X Longer Runtime ]🌟: Type: Lithium-ion | Voltage: 40V | Capacity: 4000mAh | Watt: 160Wh (Offers 4X More Power than the Original Kobalt 40V 4.0Ah Battery, Makes Your Tools More Runing Time.)
🎁[ Perfect Replacement For Kobalt 40V Battery ]🔌: 40V 4.0Ah 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

JIALIPOK 40V 4.0Ah Replacement for Kobalt 40V Battery Rechargeable Lithium Ion Cordless Power Tool Battery KB540C-06 KB245-06 KB240-06 Kb540-06

✅【Great Replacement for Kobalt】100% Brand New 40V | 4.0Ah | lithium-ion battery. The 40V replacement battery for Kobalt has high-capacity rechargeable battery for extended run time. Repeated tested to match over 5 Kobalt 40V power tools.
✅【Higher Capacity】 The replacement For Kobalt 40V 4.0 Ah higher capacity battery for Kobalt tools, made with Top-A grade battery cell and repeated tested to match original for Kobalt power tools, the replacement battery has no memory effect. Upgraded 4.0AH 40-volt battery serves as a direct replacement for older 2.0AH and 2.5AH batteries and provides 50% longer run time vs original 2.0AH.
✅【Replacement for Kobalt Battery Part】Replace for KOBALT 40V series battery, 1 battery system for 7 lawn care tools. Fits for Kobalt 40V original charger KRC 60-06 KRC 40-06
✅【Compatible with Kobalt Tools】 For Kobalt 40v lithium battery replacement compatible with Kobalt outdoor power tools KB-440C-06 KB 240-06 KB 240C-06 KB245-06 Kb540-06 KB540C-06.
✅【Safety & Reliable】With four LED lights on the battery that display the remaining power and reduce the risk of downtime work, allowing you to monitor charge levels conveniently. Protect against overcharge, over-discharge, overpower, over-temperature, overcurrent, short circuit.

SaleRank No. #5

eJiasu Replacement for Kobalt 40V Battery: 6.0Ah Lithium ion Replace for 40 Volt Max Batteries KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 Cordless Power Tool Battery (Blue)

Replacement Battery for All Kobalt 40v Battery -- This 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, 40v max kobalt 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, kobalt battery leaf blower equipped with automatic overload cut-off, short-circuit and over-voltage protection, no memory effect, 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 whole Kobalt 40-volt tools lineup including the Kobalt 40v chain saws, weed whacker, leaf blower, lawn mower(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 all the original Kobalt 40V Chargers KRC60-06, KRC40-06 and KRC840-03
Visible Battery Power -- 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 kobalt 40v max 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

S SKSTYLE Replacement for Kobalt 40v Battery 4.0ah Lithium Ion (Compatible with All Kobalt 40 Volt Cordless Power Tools)

[ New Upgraded 3X Longer Runtime ]: Type: Lithium-ion | Voltage: 40V | Capacity: 4000mAh | Watt: 160Wh | (Offers 2X More Power than the Original kobalt 40v 2.0Ah Battery,Makes Your Tools More Runing Time)✚ 1/2 Lightweight for better handling and less fatigue.
[ Perfect Replacement For Kobalt 40V Battery ]: Perfect Replacement for Kobalt KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 etc.Compatible with all original Kobalt 40V power tools: chain saws, weed whacker, leaf blower, lawn mower, string trimmer etc, and also compatible with Kobalt 40V chargers KRC60-06, KRC40-06 and KRC40-06.
[ Longevity Enhanced & Smart Ecp Protection ]: With a Recharge Cycle of 1000 Times and a Mere 1% Self-discharge Rate, The S SKSTYLE Replacement for Greenworks 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.' S SKSTYLE all products are certified by 𝐔𝐋/𝐂𝐄/𝐂𝐄/𝐅𝐂𝐂/𝐏𝐒𝐄/𝐑𝐎𝐇𝐒/𝐈𝐒𝐎𝟗𝟎𝟎𝟏/𝐂𝐁/𝐌𝐒𝐃𝐒/𝐔𝐍𝟑𝟖.𝟑, Fully Certified,Guaranteed Safety.

Rank No. #7

POWITEC 40V 6.0Ah Replacement Battery for Kobalt 40V MAX Lithium Ion Battery KB440-06‎ KB240-06 KB2540C-06 KB640-03

✔️【Stronger & Longer 40-Volt battery】6.0Ah battery provides 3X longer runtime for Kobalt 40v tools and much more power than original Kobalt 40V battery. With higher capacity and long lasting performance you can cut half the time it takes to do a job!
✔️【Excellent Compatibility】Compatible with multiple Kobalt 40V cordless tool such as Kobalt 40V string trimmer, leaf blower, hedge trimmer, chainsaw and lawn mower etc. Replacement Battery for Kobalt KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03
✔️【Intelligent Battery Management】this replacement battery for Kobalt 40V battery features advanced cell protection to provide fade free, cord-like power, which allows battery and tools to communicate to provide the best performance possible that powers through heavier applications and protects against overloading and overheating.
✔️【Upgraded compact construction】 This 40-Volt battery of 3rd generation has been improved in the battery energy density and possesses a lighter weight of 2.66lbs so that it can offer lengthened runtime and stronger power.
✔️【4-LED fuel gauge】 4 LED lights indicate the remaining power at a glance and the level of charge for quick reference to battery status. Fast charge with original Kobalt 40V battery charger KRC60-06,KRC40-06,KRC 840-03.

SaleRank No. #8

BULL-TECH New 40V 4000Mah Battery Replacement for Kobalt 40V 4.0ah Rechargeable Lithium Ion Cordless Power Equipment Battery,Compatible with All Kobalt 40V max Team Tools

Up to 100 percent more runtime than the standard Kobalt 2.0 Ah 40-volt battery
On board LED lights fuel indicator for on demand reference of remaining power. For use with ALL Kobalt 40V max team tools including blower, backpack blower, trimmer, hedge trimmer, and lawn mower
All-weather performance: Delivers fade-free power in extreme jobsite conditions
Monitors voltage and temperature to protect against overloading and extend battery life
After-sales Service: If you have any question about the battery, please feel free to contact us, our professional service team to give you the best guaranteed support. We are committed to providing a 5-Star shopping experience to all buyers!

Rank No. #9

CaliHutt 【Upgrade】 40V 4.0Ah Replacement Battery for Kobalt 40V MAX 2540C-06 High Capacity Lithium-ion Battery KB440-03 KB2540C-06 KB640-03 KB240-06 for Cordless Power Tools

✔ 【Powerful & 2x Longer Runtime】Specs: 40V 4.0Ah Lithium-ion | More than just a replacement! Actual capacity and top grade A-level lithium-ion cells provide longer runtime and more power than the OEM battery. (You can complete many tasks after a full charge.)
✔ 【Wide Compatibility & Seamless Fit】100% compatible with all original Kobalt 40V chargers KRC60-06, KRC40-06, KRC40-06 Kobatl 40V batteries KB440-03 KB2540C-06 KB640-03 KB640-06 KB245-06 JewKRC40-06 KB440C-06 KRC60 KRC40-06 KB240-06... - Kobalt 40V power tools.
✔ 【Extended Lifespan】With 1000 charging cycles and 1% low self-discharge rate, this TenHutt battery can work for up to 3 years without any issues. | Won't slow down your tools at the end of a charge.
✔ 【4 LED Indicators & Fast Charging】Faster charging speed. When you press the button, 4 LED indicators will display battery charging and usage level. | Won't slow down your tools at the end of a charge.
✔ 【Safety Protection | Intelligent ECP Circuit Protection】One of the few battery choices on the Craftsman replacement battery market, equipped with a Battery Management System (BMS) that can effectively protect the battery from potential damage caused by short-circuit, overcharge/discharge, overvoltage, and overheating.

Rank No. #10

OGJUNX 40V 6.0Ah Replacement for Kobalt 40V Battery KB440-03 KB540C-06 KB540-06 KB2540C-06 KB640-03 KB240-06 KB640-06 KB245-06 40V for Kobalt Battery, for Kobalt 40V Outdoor Power Tools

✔️Powerful & 4X Longer Runtime 🔋 - The 6.0Ah battery offers 4X the runtime for Kobalt 40V tools and significantly more power compared to the original for Kobalt 40V battery. With its higher capacity and extended performance, you can complete tasks in half the time!
✔️Replacement For Kobalt 40V Battery 🔋 - Fully compatible with Kobalt Battery KB440-03, KB640-03, KB240-06, KB240C-06, and KB640-06, KB245-06, KB2540C-06, KB440C-06. Perfect fit all Kobalt 40V Chargers KRC60-06, KRC40-06, KRC840-03 and suitable for all Kobalt 40V tools.
✔️Upgraded Longevity 🔋 - With 1000 recharge cycles and a 1% low self-discharge rate, replacement for Kobalt 40V battery lasts up to 3 years without issues. It maintains consistent power throughout the charge, preventing your tool from slowing down.
✔️Clear Power at a Glance 🔋 - The 4 LED indicators gives you a precise and easy-to-read indication of remaining power and charge levels, ensuring you're always aware of your battery's status.This 40V battery features improved energy density and a lighter weight, delivering longer runtime and increased power.
✔️2-Year Refund or Replacement 🔋 - For any questions about the replacement for Kobalt 40V battery, click "Ask a Question" on our storefront or "Contact Seller" in your order options. We're here to resolve any issues.

Last update on 2024-10-13 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Kobalt 40V 4.0 Ah Battery?

Do you get stressed out thinking about shopping for a great Kobalt 40V 4.0 Ah Battery? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Kobalt 40V 4.0 Ah Battery, which is why we have assembled a comprehensive list of the greatest Kobalt 40V 4.0 Ah Battery available in the current market. We’ve also come up with a list of questions that you probably have yourself.

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 Kobalt 40V 4.0 Ah Battery that you consider buying. Your questions might include the following:

Is it worth buying an Kobalt 40V 4.0 Ah Battery?
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What factors deserve consideration when shopping for an effective Kobalt 40V 4.0 Ah Battery?
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Which Kobalt 40V 4.0 Ah Battery are good in the current market?
Where can you find information like this about Kobalt 40V 4.0 Ah Battery?

We’re convinced that you likely have far more questions than just these regarding Kobalt 40V 4.0 Ah Battery, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Kobalt 40V 4.0 Ah Battery, 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 Kobalt 40V 4.0 Ah Battery. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Kobalt 40V 4.0 Ah Battery 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 Kobalt 40V 4.0 Ah Battery 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 Kobalt 40V 4.0 Ah Battery 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 Kobalt 40V 4.0 Ah Battery?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Kobalt 40V 4.0 Ah Battery.
Customer Ratings: Number ratings grade Kobalt 40V 4.0 Ah Battery objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Kobalt 40V 4.0 Ah Battery.
Product Quality: You don’t always get what you pay for with an Kobalt 40V 4.0 Ah Battery, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Kobalt 40V 4.0 Ah Battery is should be an indication of how long it will work out for you.

We always remember that maintaining Kobalt 40V 4.0 Ah Battery information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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The Best Kobalt 40V 4.0 Ah Battery of 2022 – Reviewed and Top Rated

How Do You Buy The Best Kobalt 40V 4.0 Ah Battery?

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