Upgraded Replacement for Greenworks 40V 4.0Ah Lithium Ion Battery
4.3Editor score
6-fold safety protection included
Compatible with Gen 2 tools only
LED indicator for power status
In this guide
Keeping your Greenworks cordless tools running requires a reliable power source that delivers consistent performance throughout your yard work tasks. When the original battery fades or fails, finding a compatible replacement ensures your equipment remains ready for any job without frustrating interruptions during peak usage times.
We have evaluated ten distinct battery replacement options based on capacity, safety certifications, compatibility with specific tool generations, and user feedback. Each product was assessed for its ability to provide fade-free power, runtime duration, and overall value to help you make an informed decision for your specific garden needs.
Each pick in this list highlights unique strengths such as extended runtime, enhanced safety features, or dual-port charging capabilities. Prices and availability fluctuate frequently so please verify current details on the linked product pages before making your final selection to ensure the best deal today.
Top 3 Picks for Best Greenworks 40V Battery Replacement
Greenworks 40V 4.0Ah Lithium-Ion Battery
4.5Editor score
Fade-free power delivery
Genuine Greenworks compatibility
Built-in battery management system
Greenworks 40V 4.0Ah USB Lithium-Ion Battery
4.4Editor score
Integrated USB charging port
Compatible with 75+ tools
Quick charge time of 120 minutes
Top 10 Best Greenworks 40V Battery Replacement in 2026 Compared
This side-by-side comparison breaks down the key specifications and features of the top ten Greenworks 40V battery replacement options available on the market to help you identify which model aligns best with your power tool requirements and budget constraints.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Greenworks 40V 4.0Ah Lithium-Ion Battery
Voltage: 40V
Capacity: 4.0Ah
Type: Lithium-Ion
Warranty: Limited
4.5Editor score
Editor's Choice
Upgraded Replacement for Greenworks 40V 4.0Ah Lithium Ion Battery
Voltage: 40V
Capacity: 4000mAh
Safety: UL FCC ROHS
Generation: Gen 2 only
4.3Editor score
Best Premium
4.0Ah High Capacity Battery Replacement for 40v Greenworks Battery and Charger
Voltage: 40V
Capacity: 4000mAh
Includes: Charger combo
Input: 100V-240V
4.2Editor score
1 Pack 29472 Battery Replacement for Greenworks 40V Battery 6000mAh(Green)
Voltage: 40V
Capacity: 6.0Ah
Type: Lithium ion
Indicator: 4-level LED
4.5Editor score
2Pack 40V 4.0Ah Battery Replacement for Greenworks 40V Battery and Charger
Voltage: 40V
Capacity: 4.0Ah
Includes: Dual-port charger
Pack: 2 batteries
4.3Editor score
1Pack 6.0Ah 40V Battery Replacement for Greenworks 29462 29252
Voltage: 40V
Capacity: 6.0Ah
Wattage: 240Wh
Material: Composite housing
4.1Editor score
6.5Ah 40V Battery and Charger Compatible with Greenworks 40V
Voltage: 40V
Capacity: 6500mAh
Feature: USB Port
Charger: Rapid 2.0AMP
5.0Editor score
2 Pack 40V 6000mAh Replacement for Greenworks 40V Battery 6.0Ah (Black)
Voltage: 40V
Capacity: 6000mAh
Indicator: 4 LED lights
Pack: 2 batteries
4.4Editor score
TREE.NB 6.0Ah 40V 29472 Lithium Battery Replacement for GreenWorks 40V G-MAX Li-ion Battery 29472 29462 2901319 Power Tools 24282 24252 21332 25322 20672 2101602 20312
Voltage: 40V
Capacity: 6.0Ah
Type: Li-ion
Gen: Gen 2 only
4.0Editor score
Greenworks 40V 4.0Ah USB Lithium-Ion Battery
Voltage: 40V
Capacity: 4.0Ah
Feature: USB Port
Charge Time: 120 mins
4.4Editor score
1. Greenworks 40V 4.0Ah Lithium-Ion Battery – Best Overall Greenworks 40V Battery Replacement
Greenworks 40V 4.0Ah Lithium-Ion Battery
Genuine Original Part
Fade-Free Power
LED Fuel Indicator
75+ Tool Compatible
The Genuine Greenworks 40V 4.0Ah Lithium-Ion Battery stands out as the top choice for users seeking reliability and direct compatibility with their existing tool ecosystem. With a high rating from verified buyers it ensures fade-free power without memory loss after charging.
Pros
- Genuine OEM quality guarantee
- Fade-free power delivery
- Built-in safety safeguards
- LED fuel indicator feedback
- Compatible with 75+ tools
Cons
- Higher price point
- No USB charging port
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Its integrated LED fuel indicator provides immediate feedback on the battery state allowing you to plan your work efficiently. The built-in battery management system includes overheat short circuit and over-voltage safeguards ensuring safe operation during heavy use.
While it comes at a premium price compared to third-party options the genuine quality and warranty support make it a worthwhile investment. Users appreciate the seamless fit and consistent performance across the entire G-MAX tool range.
If you prioritize long-term reliability and want to avoid any compatibility issues this battery is the ideal pick. It delivers consistent performance for all your yard work needs without unexpected downtime or reduced power output.
Genuine OEM Reliability
Using an original Greenworks battery ensures perfect fit and full compatibility with all safety protocols designed by the manufacturer.
Fade-Free Power Delivery
The lithium-ion cells maintain consistent voltage output throughout the discharge cycle preventing power drops during demanding tasks.
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2. Upgraded Replacement for Greenworks 40V 4.0Ah Lithium Ion Battery – Best Budget Greenworks 40V Battery Replacement
Upgraded Replacement for Greenworks 40V 4.0Ah Lithium Ion Battery
4000mAh Capacity
UL FCC ROHS Certified
Gen 2 Tools Only
LED Indicator Included
This Upgraded Replacement offers an excellent budget-friendly alternative for those needing a reliable power source for their second-generation Greenworks 40V tools. It delivers stable consistent power output thanks to premium battery cells designed for longer service life.
Pros
- Affordable price point
- Triple certified safety
- Extended runtime performance
- Smart interface design
- 24-hour customer service
Cons
- Not for Gen 1 tools
- Third-party warranty only
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Safety is a key focus with triple certification from UL FCC and ROHS along with 6-fold safety protection including overcharge and overheat safeguards. The LED indicator clearly shows remaining battery level making it easy to monitor your tool status.
Users should note this battery fits Gen 2 tools only so check your model compatibility before purchasing. The precision interface ensures steady power output and efficient heat dissipation to prolong battery life during heavy-duty outdoor use.
For homeowners looking to save money without sacrificing performance this replacement is a strong choice. It balances cost and reliability effectively ensuring your trimmers and mowers keep running smoothly throughout your gardening sessions.
Triple Certified Safety
Certification by UL FCC and ROHS ensures the battery meets rigorous international safety standards for consumer electronics and battery usage.
Extended Runtime
The 4000mAh capacity provides extended runtime compared to older models allowing for longer uninterrupted work sessions.
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3. Greenworks 40V 4.0Ah USB Lithium-Ion Battery – Best Premium Greenworks 40V Battery Replacement
Greenworks 40V 4.0Ah USB Lithium-Ion Battery
USB Charging Port
Fade-Free Power
Genuine OEM
120 Min Charge
This premium Greenworks 40V 4.0Ah USB Lithium-Ion Battery stands out with its integrated USB charging port offering versatile power solutions beyond just tools. It delivers fade-free power and pairs with a charger for quick charge times around 120 minutes.
Pros
- Integrated USB port
- One battery for 10 tools
- Quick charge time
- Compatible with 75+ tools
- Snap-in design
Cons
- Highest price in list
- Limited to G-MAX 40V
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Designed as a one battery system for 10 tools it offers a complete yard work solution without needing multiple battery types. The easy-to-use design snaps in and out of tools effortlessly enhancing convenience during busy gardening routines.
Users appreciate the genuine quality and compatibility with G-MAX 40V tools and chargers. While the price is higher than third-party options the added USB feature and original build quality justify the investment for power users.
If you want maximum versatility and premium features this battery is the top pick. It combines reliable performance with modern conveniences ensuring your tools stay ready and your devices can charge on the go.
USB Charging Convenience
The built-in USB port allows you to charge mobile devices using the battery providing a useful power bank feature during outdoor tasks.
One Battery System
Compatible with a wide range of tools this battery simplifies your tool ecosystem by reducing the need for multiple battery types.
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4. 4.0Ah High Capacity Battery Replacement – Value Pack Greenworks 40V Battery Replacement
4.0Ah High Capacity Battery Replacement for 40v Greenworks Battery and Charger
Includes Charger Combo
4000mAh Capacity
LED Indicator
Multi-layer Safety
This battery replacement kit includes both a 4.0Ah high capacity battery and a compatible charger providing a complete power solution for Greenworks 40V tools. It delivers longer run time and long-lasting performance with intelligent protection against over-charging.
Pros
- Includes charger unit
- High capacity cells
- Smart charging LED
- Input range support
- 24/7 online support
Cons
- Third-party charger quality
- Less brand recognition
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The LED indicator shows charging status in real time helping you work smarter by tracking power levels accurately. The charger input supports 100V to 240V making it suitable for international travel or varied electrical environments.
Manufactured with high-quality battery cells it features an efficient heat dissipation design to ensure safe charging. Users appreciate the consideration after-sales service and factory tests that comply with industry safety standards for reliable operation.
For those needing a quick charger and battery combo this option offers great value. It simplifies the setup process and ensures you have everything required to power up your tools immediately upon delivery.
Complete Combo Pack
Having both battery and charger together simplifies setup and ensures compatibility between charging electronics and power storage.
Global Voltage Support
The charger's wide input voltage range supports use in different countries without requiring additional adapters or converters.
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5. 1 Pack 29472 Battery Replacement – High Capacity Greenworks 40V Battery Replacement
1 Pack 29472 Battery Replacement for Greenworks 40V Battery 6000mAh(Green)
6.0Ah Capacity
4-level LED Indicator
Lithium ion Type
Heat Release Holes
The 29472 Battery Replacement offers a 6.0Ah high capacity option that extends runtime significantly for your Greenworks 40V power tools. It features a 4-level LED battery charge indicator allowing users to monitor battery usage easily during operation.
Pros
- 6.0Ah high capacity
- Heat release design
- Quick release button
- Safety protections
- Direct model replacement
Cons
- Single pack only
- Bulkier due to capacity
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Surrounding heat release holes accelerate battery cooling ensuring optimal temperature management during heavy use. The battery includes multiple safety protections such as short-circuit over-charge and over-temperature protection making use safer and more reliable.
Designed with a quick-release button the battery snaps in and out of tools easily enhancing convenience. Users note the precision fit and strong resistance to damage thanks to high-strength composite materials used in the housing.
If you need longer runtime without swapping batteries frequently this 6.0Ah model is an ideal choice. It balances capacity and safety features to support extended gardening sessions without interruptions or overheating issues.
High Capacity for Long Use
The 6.0Ah capacity stores more energy allowing for longer continuous use before needing to recharge your power tools.
Heat Dissipation Design
Heat release holes around the battery housing accelerate cooling to prevent overheating and maintain performance in hot conditions.
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6. 2Pack 40V 4.0Ah Battery Replacement – Dual Pack Greenworks 40V Battery Replacement
2Pack 40V 4.0Ah Battery Replacement for Greenworks 40V Battery and Charger
Two Batteries
Dual-Port Charger
4 LED Indicators
Gen 2 Compatible
This 2-pack set includes two 4.0Ah batteries and a dual-port charger offering a practical solution for extended outdoor tasks. Each battery features 4 LED indicators that display remaining power helping you plan work wisely and avoid unexpected downtime.
Pros
- Two batteries included
- Dual-port charging
- LED power display
- Safety intelligent protection
- 24-hour support
Cons
- No USB feature
- Heavier total package
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The charger has a built-in LED indicator showing real-time charging progress for easy tracking of battery status. Compatible with Greenworks 40V GMAX Power Tools it ensures seamless power delivery for lawn mowers trimmers and other garden tools.
Intelligent protection against over-charging and short-circuits helps maintain battery health and tool safety. Users appreciate the 24-hour customer service available to resolve any concerns about compatibility or performance after purchase.
For those needing multiple batteries to cover long work days this dual pack is a cost-effective choice. It ensures you always have a charged battery ready while minimizing idle time for your tools.
Dual-Pack Value
Having two batteries allows you to swap them quickly and maintain continuous workflow without waiting for recharges.
Dual-Port Charger
The charger can charge two batteries simultaneously reducing overall downtime and keeping your tools ready for use.
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7. 1Pack 6.0Ah 40V Battery Replacement – Long Runtime Greenworks 40V Battery Replacement
1Pack 6.0Ah 40V Battery Replacement for Greenworks 29462 29252
6000mAh Capacity
CE RoHS FCC Certified
Quick-Release Button
Microchip Protection
This 6.0Ah battery replacement provides extended runtime for Greenworks 29462 and 29252 models with reliable power output. It is CE RoHS and FCC certified ensuring safety and compliance with international standards for battery usage and disposal.
Pros
- 6000mAh high capacity
- Certified safety
- Precision fit design
- Microchip protection
- 24-hour support
Cons
- Third-party warranty
- Slightly heavier build
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The precision design with 4 LED indicator lights allows users to easily monitor remaining battery power and minimize risk of work interruptions. The quick-release button ensures easy installation and removal from tools during tasks.
Built-in microchip protection prevents overheat and overcharge conditions extending battery life and maintaining safety. Users appreciate the product exchange services available within one year of purchase for additional peace of mind regarding quality.
If you prioritize capacity and safety certifications this model is a strong contender for reliable yard work. It delivers consistent power across multiple tool types while protecting your investment with robust safety features.
High Capacity Output
The 6000mAh rating ensures prolonged operation for large yards or demanding tasks that require continuous power delivery.
Certified Safety Standards
Certification by CE RoHS and FCC confirms the battery meets strict regulatory requirements for quality and user protection.
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8. 6.5Ah 40V Battery and Charger – Max Power Greenworks 40V Battery Replacement
6.5Ah 40V Battery and Charger Compatible with Greenworks 40V
6500mAh Max Capacity
Includes USB Port
Rapid Charger Included
CE FCC RoHS Certified
This 6.5Ah battery and charger combo offers the highest capacity in the list delivering 260Wh of energy for extended runtime. The smart protection ECP chip prevents overcharge and overdischarge to extend lifespan significantly for long-term use.
Pros
- 6.5Ah highest capacity
- USB charging feature
- Rapid charger included
- Top rated performance
- Worry-free service
Cons
- Third-party reliability
- Bulkier size
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A built-in USB port lets you charge devices during outdoor work adding versatility beyond just power tools. The included rapid charger provides 2.0 AMP output charging 40V G-MAX batteries efficiently with a clear LED gauge for status tracking.
Users highlight the worry-free service with 45-day money-back and 12 months quality assurance for confident purchasing. The product is CE FCC RoHS certified for security testing standards ensuring safety during heavy-duty tasks.
If maximum runtime and added USB functionality are priorities this battery offers the best value in terms of energy storage. It is ideal for professionals or homeowners with large properties needing long-lasting power without interruptions.
Highest Capacity Available
The 6.5Ah capacity provides the longest runtime available reducing the frequency of recharges during large-scale projects.
Built-in USB Port
The integrated USB port allows charging of phones or other devices adding extra utility for outdoor work.
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9. 2 Pack 40V 6000mAh Replacement – Dual High Power Greenworks 40V Battery Replacement
2 Pack 40V 6000mAh Replacement for Greenworks 40V Battery 6.0Ah (Black)
Two Batteries
6000mAh Capacity
4 LED Indicators
Black Design
This 2-pack offers two 6000mAh batteries providing more than triple the run time of the original. Each battery features 4 LED indicators allowing users to monitor power and reduce downtime risk during demanding outdoor tasks.
Pros
- Two 6.0Ah batteries
- More runtime
- LED power monitor
- Stable protection system
- Long time working
Cons
- Heavier to carry
- No charger included
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The batteries are built with high-quality cells and a stable protective system preventing over-charge over-heat and short-circuit issues. Users appreciate the design that fits second generation 40v tools only ensuring precision and secure installation.
Having two high-capacity batteries ensures continuous workflow for large yards where single battery power falls short. The sleek black design maintains a professional look while delivering consistent power across your entire tool collection.
If you need multiple high-capacity units this pack delivers solid value. It ensures your tools never stop working unexpectedly by providing ample backup power for extended gardening or landscaping sessions.
Two High Capacity Units
Two 6.0Ah batteries ensure you can swap them out seamlessly for non-stop work on large properties.
Precise LED Monitoring
The four LED lights display remaining run time helping you plan tasks effectively without unexpected power loss.
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10. TREE.NB 6.0Ah 40V 29472 Lithium Battery Replacement – Solid Value Greenworks 40V Battery Replacement
TREE.NB 6.0Ah 40V 29472 Lithium Battery Replacement for GreenWorks 40V G-MAX Li-ion Battery 29472 29462 2901319 Power Tools 24282 24252 21332 25322 20672 2101602 20312
6.0Ah Li-ion
LED Charge Indicator
Exothermic Holes
Gen 2 Compatible
This TREE.NB 6.0Ah battery replacement delivers upgraded capacity for second generation Greenworks 40V tools with a high-performance Li-ion design. The 4 Led indicator lights display battery power helping you control your time more wisely during work.
Pros
- 6000mAh high capacity
- Integrated fuel gauge
- Heat dissipation design
- Microchip protection
- Reasonable price
Cons
- Not for Gen 1 tools
- Limited warranty
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It features an on-board fuel gauge integrated LED battery charge level indicator that allows users to monitor battery usage precisely. Surrounding exothermic holes speed up battery cooling ensuring efficient heat management during continuous use.
With built-in integrated microchip the battery prevents overcharging self-discharge and short circuit protection to lengthen battery life. Users note the precise interface design that makes it easy to use with snaps that fit securely into tools.
If you are looking for a cost-effective high-capacity option for your Gen 2 tools this battery offers a solid choice. It balances performance and durability to ensure reliable operation for your lawn mowers and garden equipment.
Fuel Gauge Precision
The integrated LED indicator gives real-time battery power status helping you plan tasks and avoid running out of charge.
Thermal Management
Exothermic holes around the housing help dissipate heat quickly to keep the battery cool and functional.
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Buying Guide – How to Choose the Best Greenworks 40V Battery Replacement
Choosing the right battery replacement requires understanding your specific tool requirements compatibility and desired runtime to ensure seamless operation across your outdoor power equipment.
Tool Generation Compatibility
Greenworks 40V tools come in different generations with Gen 1 and Gen 2 having distinct battery shapes and connectors. Always check your tool model number against the battery description to ensure the battery fits your specific device.
Battery Capacity and Runtime
Battery capacity measured in Ah or mAh determines how long your tool will run on a single charge. Higher Ah values like 6.0Ah provide longer runtime but may be heavier than 4.0Ah options.
Safety Certifications
Look for batteries certified by UL FCC ROHS or CE to ensure they meet rigorous safety standards. These certifications indicate the battery includes protections against overcharging overheating and short circuits for safer operation.
OEM vs Third-Party Options
Genuine OEM batteries offer perfect fit and warranty support but cost more. Third-party replacements are more affordable but vary in quality so check reviews and certifications before buying.
Charging Time and Port Features
Consider the charging speed and whether the battery includes extra features like USB ports. Rapid chargers reduce downtime while USB ports allow you to charge phones during yard work.
Warranty and Customer Support
Reliable brands provide clear warranty terms and accessible customer service. A 12-month warranty or exchange policy protects you against defects and ensures support if issues arise.
How to Use and Care for Your Greenworks 40V Battery Replacement
Insert the battery firmly into the tool until it clicks into place to ensure proper electrical contact and safety. Avoid forcing the battery as this can damage the internal connectors or the housing.
Frequently Asked Questions
Are third-party Greenworks 40V batteries reliable?
Many third-party replacements are reliable if they carry certifications like UL or CE. Always check user reviews and warranty terms to ensure safety and consistent performance.
Does the battery fit all Greenworks 40V tools?
Only if the tool is the same generation. Gen 1 and Gen 2 tools have different battery shapes so verify your model before buying.
How long do replacements last?
Most lithium-ion batteries last 2 to 4 years depending on usage and charging habits. Avoid over-discharging to extend lifespan.
Can I charge the battery in cold weather?
Avoid charging below freezing as extreme temperatures can damage the cells. Store and charge the battery at room temperature for best results.
Is the warranty valid on third-party batteries?
Warranties vary by seller. Some offer 12 months while others may only offer 30 days. Check the product description for details.
What happens if the battery overheats?
High-quality batteries have overheat protection that shuts off the power. If this happens let the battery cool before resuming work.
Final Thoughts on Choosing the Best Greenworks 40V Battery Replacement
These ten options cover every need from high capacity and rapid charging to genuine OEM quality. Whether you are looking for budget savings or maximum runtime there is a battery here to keep your tools ready.