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The Best Kobalt 40 Volt Battery of 2023 – Reviewed and Top Rated

2,684 Reviews Scanned

Rank 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

TenHutt 【3rd-Generation】 4.0Ah 40V Replace 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 & 3X Longer Runtime】Arguments:40-Volt 4.0Ah Lithium-ion | Not just a replacement！Actual capacity and top A grade li-ion cells provides 3X longer runtime and stronger power than original Kobalt 40V battery. (You can get lot done with full charge.)✚ 1/2 Lightweight for better handling and less fatigue.
✔【Extensive Compatibility & Seamless Fit】100% Fits all Kobalt 40V Max Tools and Kobalt 40V chargers[Support fast charging] ✚ Replace for all Kobalt 40V Series Battery
✔【Upgraded in Longevity】Thanks to its 1000 times recharge cycle and 1% low self discharge rate, the TenHutt battery for Kobalt could easily works for up to 3 years without problem.| Doesn't allow the tool to slow down at the end of the charge.
✔【Excellent Performance】 This 40V 3rd-Lithium battery are Smaller and lighter than common replacement batteries, yet delivers longer runtime and fade-free power.
✔【Safety Assured】One of the few battery cell selection with UL cetified in the market of Kobalt MAX 40volt replacement battery, equipped with battery management system(BMS) that can effectively protect the battery from potential damage caused by short circuit, over-charge/discharge, over-voltage and over-heating.

Rank No. #3

【Upgrade】 6.0Ah 40Volt Replacement Battery for Kobalt 40V MAX Battery 2540C-06 Lithium-ion Battery for KB440-03 KB2540C-06 KB640-03 KB240-06 for Cordless Power Tools -High Capacity

✔【Powerful & 3X Longer Runtime】Arguments:40-Volt 6.0Ah Lithium-ion | Not just a replacement！Actual capacity and top A grade li-ion cells provides 3X longer runtime and stronger power than original Kobalt 40V battery. (You can get lot done with full charge.)✚ 1/2 Lightweight for better handling and less fatigue.
✔【Extensive Compatibility & Seamless Fit】100% Fits all Kobalt 40V Max Tools and Kobalt 40V chargers[Support fast charging] ✚ Replace for all Kobalt 40V Series Battery
✔【Upgraded in Longevity】Thanks to its 1000 times recharge cycle and 1% low self discharge rate, the TenHutt battery for Kobalt could easily works for up to 3 years without problem.| Doesn't allow the tool to slow down at the end of the charge.
✔【Excellent Performance】 This 40V 3rd-Lithium battery are Smaller and lighter than common replacement batteries, yet delivers longer runtime and fade-free power.
✔【Safety Assured】One of the few battery cell selection with UL cetified in the market of Kobalt MAX 40volt replacement battery, equipped with battery management system(BMS) that can effectively protect the battery from potential damage caused by short circuit, over-charge/discharge, over-voltage and over-heating.

Rank No. #4

Kobalt 40-Volt 2.5AH Amp Hours Rechargeable Lithium Ion (Li-ion) Cordless Power Equipment Battery

High performance Kobalt 40 volt li ion battery delivers no fade power with no memory loss after charging
Compatible with the Kobalt 40 volt max team, 1 battery system for over 24 lawn care tools
Fuel gauge provides an easy check on available power level
Initial no load voltage, when fully charged, peaks at 40 volts, nominal voltage under typical load is 36 volts

SaleRank No. #5

Kobalt 40 Volt Max 5 Amp Hour Rechargeable Lithium Ion (Li-Ion) Cordless Power Equipment Battery

Model# KB 540C-06 High performance Kobalt HC 5.0 40-volt li-ion battery delivers fade-free power with no memory loss after charging
Compatible with the Kobalt 40-volt max family of tools - 1 battery system for 24+ lawn care tools
Fuel gauge provides an easy check on available power level
Battery Amp Hours: 5
Charge Time (Hours): 1.50

Rank No. #6

DSANKE 40V 6000mAh Battery Replacement for Kobalt 40Volt Lithium Ion Battery KB440-03 KB540C-06 KB540-06 KB2540C-06 KB640-03 KB240-06 KB640-06 KB245-06 ‎KRC40-06 KB440C-06 KRC60 KRC40-06 KB240-06

✔【Battery Specifications】Type: Lithium-ion | Voltage: 40V | Capacity: 6000mAh | Watt: 240W | Pack: 1 Pack,Delivers up to 4X the run time than Kobalt 40V 3.0Ah battery.
✔【100% Compatible】Replacement for Kobalt 40Volt Lithium Ion Battery KB440-03 KB2540C-06 KB640-03 KB240-06 KB240C-06 KB640-06 KB245-06 ‎KRC40-06 KB440C-06 KRC60 KRC40-06 KB240-06, 100% Compatible with Kobalt 40Volt Tools,Perfect fit all Kobalt 40V Chargers(KRC60-06 KRC40-06 KRC 840-03).
✔【Why Choose Us?】Our more powerful 40V 6.0Ah battery delivers up to 4X the run time of the 3.0Ah battery.Built-in ECP smart protection chip provide overcharge and overdischarge protection to extend 4X battery life.Use A-class Lithium-ion Cells to make the battery charge and discharge cycles >1000 times!! Stay alert of the state of charge with a convenient 4-LED fuel gauge.
✔【Safety & Reliable】All of the products are CE FCC PSE ROHS certified, tested by manufacturer to match OEM products and exported all around the world.No memory effect, can be charged or discharged as needed without losing capacity.
✔【1.5 YEAR WARRANTY!!】30 days money back + 1.5 year FREE refund or replacement + 24*7 hours prompt after-sales service. If you have any questions about the DSANKE replacement for Kobalt 40V battery, you could try again or contact us by your Order ID.

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.

Rank No. #8

Kobalt 40-Volt Power Equipment Battery Rapid Quick Charger Gen3

Integrated LED charge indicator lights - to let you know if your battery has a full charge or not
Compatible with all Kobalt 40-volt max Li-ion batteries (sold separately)

Rank No. #9

【Upgrade】 CaliHutt 40V 6.0Ah 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 & 3x Longer Runtime】Specs: 40V 6.0Ah 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

Kobalt 40-Volt 3.0AH Amp Hours Rechargeable Lithium Ion (Li-ion) Cordless Power Equipment Battery 3AH

Upgraded Newer 3.0AH 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
High performance Kobalt 40-volt Li-ion battery delivers fade-free power with no memory loss after charging
Compatible with the Kobalt 40-volt max team - 1 battery system for 7 lawn care tools
Fuel gauge provides an easy check on available power level
Initial no-load voltage, when fully charged, peaks at 40 volts; nominal voltage under typical load is 36 volts

Rank No. #11

Kobalt 40-Volt Battery and Charger Kit (2.0Ah Battery and Charger)

Includes one 2.0Ah battery and one standard charger
High performance li-ion battery delivers fade-free power with no memory loss after charging
Fuel gauge provides an easy check on available power level
Charger is compatible with all 40V batteries

Rank No. #12

40V Lithium Ion Battery Charger (Battery Not included) for Kobalt 40 Volt Outdoor Cordless Power Tools and Equipment (Blower, Trimmer, Chainsaw, Pole Saw) Replace KRC 60-06

Rank No. #13

Kobalt 40-Volt Lithium Ion (Li-Ion) Generation 2 Compact Cordless Power Equipment Battery Charger with New Top Load Design, 2019 Model

Smart charging capability for all Kobalt 40-volt Lithium ion batteries
Visual charge status indicator
Can be used bench top or mounted on the wall
Initial no-load voltage, when fully charged, peaks at 40 volts; nominal voltage under typical load is 36 volts

SaleRank No. #14

Kobalt KRC 60-06 40-Volt Lithium Ion Standard Cordless Power Equipment Battery Charger

This refurbished product is tested and certified to work properly. The product will have minor blemishes and/or light scratches. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, and may arrive in a generic box.

Rank No. #15

Kobalt 40-Volt Max 2.5-Amps Rechargeable Lithium Ion (Li-Ion) Cordless Power Equipment Battery

High performance Kobalt 40-volt li-ion battery delivers fade-free power with no memory loss after charging
Compatible with the Kobalt HC 40 volt max family of products
Fuel gauge provides an easy check on available power level
Model # KB 2540C-06

Rank No. #16

Kobalt 40v Max Li-Ion 2.0 Ah Quick Charge Battery

High performance Kobalt 40-volt Li-ion battery delivers fade-free power with no memory loss after charging
Compatible with the Kobalt 40-volt max team - 1 battery system for 7 lawn care tools
Quick charge time - 60 minutes
Fuel gauge provides an easy check on available power level
Initial no-load voltage, when fully charged, peaks at 40 volts; nominal voltage under typical load is 36 volts

Rank No. #17

NEPOWILL 40V 6.0Ah Replacement Battery for Kobalt 40v Battery MAX 2540C-06, Rechargeable Lithium Ion Battery for Kobalt KB640-03 KB540C-06 KB245-06 KB240-06 Kb540-06 for Cordless Power Tools

RECHANGEABLE POWER SOURCE - Interchangeable Lithium-Ion Battery, Battery voltage - 40V, Battery wattage - 240mAh Battery capacity - 6000mAh, great alternative battery for Kobalt 40V Battery. Replacement Battery for Kobalt KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 etc.
FULLY COMPATIBLE WITH KOBALT - Replacement battery for Kobalt, use Top-A grade battery cell, repeate test to match the original Kobalt. Fully compatible with 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.
LONG LASTING POWER: Powerful battery with high-capacity (6000mAh), provide 3X longer run time and stronger power than original Kobalt 40V battery. Fully charged battery work well for a long time, and without replacing battery frequently during work, improve work efficiency.
INTELLIGENT BATTERY SYSTEM - Built-in ECP smart protection chip for battery, protect against overcharge, over-discharge, overpower, overtemperature, overcurrent, short circuit. Kobalt replacement battery with 4 LED lights, easy to quickly check battery status. Battery with effective cooling function to prevent overheating, achieve worry-free use.
SAFE AND RELIABLE - Advanced battery for Kobalt, made of premium material and smart chip, obtain the CE FCC PSE ROHS certified, tested by manufacturer to match OEM products safe to use. Replacement battery for Kobalt 40v battery, charged or discharged as needed without losing capacity and memory effect.

Rank No. #18

JYJZPB 40V 6.0Ah Replacement Battery for Kobalt 40V Cordless Power Equipment Suitable for Kobalt 40V Weed Eater Outdoor Work with High Capacity Lithium-ion Battery

【High capacity】 The battery can work for a long time when it is fully charged, and can complete a lot of work at one time, and does not need to replace the battery frequently during the work process.
【Perfect replacement battery】 It can be used as a Kobalt battery replacement, capable of doing all the work of the original Kobalt battery.
【Strong adaptability】 Suitable for most Kobalt 40V cordless electric equipment, whether it is a lawn mower, snow blower or other equipment.
【Easy to use】 You can see the remaining power of the battery through the indicator light of the battery power. You only need to fully charge the battery and install it on the electric device to start using it. No other installation steps are required.
【Safe and reliable】 The battery has built-in short-circuit protection, overload protection and overheat protection, and the protection will cut off power and protect your safety in case of an accident.

Rank No. #19

SABER 40-Volt 5.0Ah Battery Replacement for Kobalt 40V Outdoor Power Tools (5.0Ah)

KOBALT COMPATIBLE: This battery is fully compatible with the entire Kobalt 40 volt tool lineup including the Kobalt 40v mower, pole saw, string trimmer, leaf blower, hedge trimmer, and more. It can be charged with the original Kobalt 40V charger and is a replacement for all Kobalt 40V batteries (KB440-03 KB2540C-06 KB640-03 KB240-06 KB640-06 KB245-06 ‎KRC40-06 KB440C-06 KRC60 KRC40-06 KB240-06)
HIGH PERFORMANCE: Our 5.0 amp-hour 40V high capacity lithium-ion battery delivers fade-free power with no memory loss after charging. Up to 150% more runtime than the standard Kobalt 2.0 Ah 40-volt battery.
HIGH QUALITY: Saber Battery is a trusted battery brand and our team has decades of experience in the electronics industry. All products are designed, tested, and quality controlled in the USA. You can count on Saber for high-quality products and reliable performance.
MULTIPLE SAFETY PROTECTION: All our batteries are fitted with protection circuitry to prevent overheating, overcurrent, over-charging, and over-voltage - making the battery safer and prolonging life.
CUSTOMER SATISFACTION: If you're unhappy with this battery let us know and we'll make it right - our customer services team is located in the USA so expect a fast and clear response!

Rank No. #20

Xocdvso 40V 6.0Ah Lithium Battery Replacement for ryobi 40v Battery Compatible with 40v ryobi Battery OP4015 OP4026 OP40201 OP40261 OP4030 OP4040 OP40401 OP4050 OP40501 OP40601 (1-Pack)

【Battery Details】Voltage: 40V | Capacity: 6000mAh | Battery Type: Li-ion | High quality cell. | 1Pack Replacement for OP4060 Ryobi 40V battery.
【Widely Compatibility】Replace for 40v ryobi battery: OP4050A OP4015 OP4026 OP40201 OP40261 OP4030 OP40301 OP4040 OP40401 OP4050 OP40501 OP40601. Compatible with Ryobi 40V lithium-ion tools: RY40200 RY40403 RY40204 RY40250 RY40430 RY40460 RY40530 RY40402A etc. Fits for Ryobi 40v battery 6ah chargers OP400 OP401 OP403 OP403A ZROP401 OP400A.
【Premium Battery】6000mAh high capacity offers longer run time for your Ryobi 40v cordless power tools. The battery for ryobi lithium battery 40v use international high-quality battery cell, same as OEM ryobi battery. 2X longer than the standard 3.0Ah.
【Intelligent Protection & Stable】 Battery for ryobi 6ah battery Built in multiple protection protects the replacement for ryobi battery 40v from over current, short-circuit, overheat and over voltage damage. Fade-free lithium-ion power, integrated microchip prevents overcharging & lengthens battery life.
【Worry Free Service】30 days money back and 12 months guarantee. Any reason you might not be satisfied with 40 volt ryobi battery, please contact us in "YOUR ORDER" options click the "contact seller".

Last update on 2023-08-10 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: How many volts does a Kobalt lawn care battery have?

A: Compatible with the Kobalt 40-volt max team – 1 battery system for 7 lawn care tools Fuel gauge provides an easy check on available power level Initial no-load voltage, when fully charged, peaks at 40 volts; nominal voltage under typical load is 36 volts . . .

Q: Is the Kobalt 40 volt Max compatible with Lowes?

A: Compatible with the Kobalt 40-volt max family of tools – 1 battery system for 24+ lawn care tools Subject to credit approval. Get 5% off your eligible purchase or order charged to your Lowe’s Advantage Card. Valid for purchases in US stores and on Lowes.com. 5% discount will be applied after all other applicable discounts.

Q: What kind of battery does a Kobalt spatula use?

A: High performance Kobalt HC 5.0 ah 40-volt li-ion battery delivers fade-free power with no memory loss after charging Qisebin Heavy Duty BBQ Grilling Tools Set. Extra Thick Stainless Steel Spatula, Fork, Basting Brush & Tongs.

Q: Which is better Kobalt 3.0ah or 2.5ah batteries?

A: Make sure this fits by entering your model number. Upgraded Newer 3.0AH 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 High performance Kobalt 40-volt Li-ion battery delivers fade-free power with no memory loss after charging