Choose a Greenworks platform by the tools you need and the work you expect them to do—not by voltage alone. Greenworks positions 24V for everyday maintenance and small-to-medium yards, and 40V for residential homeowners and hobbyists. Those are broad manufacturer use-case descriptions, not tested yard-size limits or proof that one platform is better for every task. Most importantly, 24V and 40V batteries are not interchangeable.
How to choose between Greenworks 24V and 40V
| Your priority | A reasonable starting point | What to check |
|---|---|---|
| Everyday household and yard maintenance | 24V, if it has the tools you need | Confirm the specific tool is suited to your task and check what the kit includes. Greenworks describes 24V as suited to everyday maintenance and small-to-medium yards. Greenworks’ October 2025 voltage guide does not set a measured yard-size limit. |
| Building a residential or hobbyist tool fleet | 40V, if the needed tools are available | Compare the exact model’s features, battery capacity, included charger, and expected runtime. Greenworks positions 40V for residential homeowners and hobbyists in its October 2025 guide. |
| Adding tools when you already own batteries | Stay within the battery’s voltage family | Greenworks says batteries are interchangeable only with tools on the same voltage platform. Check the exact tool and battery model before buying. Greenworks battery compatibility guidance |
| Comparing the cost of starter kits or bundles | Compare the complete kit and future tool needs | Check whether batteries and a charger are included, the battery’s amp-hour (Ah) rating, and whether the tools you may add are on that platform. Greenworks lists 24V tools, 40V tools, and a 24V starter kit. |
Greenworks’ use-case guidance is a starting point, not a substitute for checking a model’s specifications. The available evidence does not establish a controlled 24V-versus-40V performance comparison, so voltage alone cannot tell you which specific tool will suit a demanding job.
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What battery compatibility means
Greenworks states: “Our batteries are interchangeable with tools that are of the same voltage platform only.” In practice, a 24V battery will not power a 40V tool, and a 40V battery will not power a 24V tool. The company’s compatibility page explicitly identifies 24V and 40V as incompatible platforms.
Before purchasing a bare tool, battery, or bundle, verify the voltage platform and model compatibility on the product listing or in the manual. Owning a Greenworks battery does not mean it fits every Greenworks tool.
#1 Best Overall
- High Performance G-MAX 40V Battery delivers fade-free power with no memory loss after charging.
- Integrated LED fuel indicator provides immediate feedback on state of the battery.
- Built-in battery management system (BMS) with overheat, short circuit, over-voltage, over-current, and over-charge safeguards.
- Greenworks 40V batteries are compatible with 75+ Greenworks tools in the same voltage for total freedom of movement without tangled cables.
- What's included: 1 x 40V 4.0Ah Lithium-Ion Battery
Battery capacity, runtime, and chargers
Ah affects runtime, but does not give a guaranteed number of hours
Greenworks says higher-Ah batteries offer more runtime. Actual runtime depends on the tool and how it is used; the available manufacturer information does not provide a matched 24V-versus-40V runtime test. Treat Ah as a factor to compare within the exact product choice, not as a promise of a particular run time or proof that one voltage platform lasts longer.
Use a charger for the correct voltage platform
Greenworks says each voltage line has designated charger models, and that a charger can work with batteries of different Ah ratings within that voltage line. Confirm the charger model and battery platform for the product you are buying. The Greenworks battery FAQ also describes compatibility constraints for certain other product lines and tools; those examples are not stated as 24V/40V exceptions. For any particular model, follow its manual or Greenworks’ model-specific compatibility information.
Quick Recap
Best Value
- Rechargeable | Battery Voltage: 40V | Capacity: 6.0Ah | Package Include: 2* 29472 Battery
- Replacement for Greenworks 40 volt battery 29462 29472; Compatible with Greenworks 40v 29482 charger
- Compatible with Greenworks 40 volt cordless power tools 20302 20672 24252 20202 22262 20322 25312 25302 25322 25223 21302 22272 27062 21242 24282 21332
- 29462 battery integrated 4-level LED battery charge indicator allows user to monitor battery using. Surrounding heat release holes accelerate battery cooling. Easy-to-use design snaps in and out of tools
- 29472 replacement battery provide short-circuit protection, over-charge protection, over-discharge protection, over-temperature protection, over-current protection and over-voltage protection,make the uses safer
Rank #4
- 100% Brand New | Type: Li-ion | Voltage: 40V | Capacity: 6000mAh | Rechargeable | Only fits the second generation 40v tools. (NOT for Gen 1)
- Compatible with GreenWorks 40V G-MAX lawn and garden tool MO40L02, MO40L410, 20302, 20672, 25302, 24252, 20202, 22262, 20322, 25312, 25322, 25223, 21302, 22272, 27062, 21242, 24282, 21332, 21362, 22342
- High-Performance battery cells to ensure that all batteries are efficiency, reliability, safety and quality excellent. No memory effect, can be charged or discharged as needed without losing capacity. Hope you will like it
- Having 4 LED indicators, When you press the button,4 LED indicators will show battery charge and usage levels
- No memory effect,virtually no self-discharge for maximum power & less downtime; Built-in protections against the potential damage from over-charge, over-discharge, over-current and short-circuit
Rank #3
- Rechargeable | Battery Voltage: 40V | Capacity: 6.0Ah | Package Include: 1* 29472 Battery
- Replacement for Greenworks 40 volt battery 29462 29472; Compatible with Greenworks 40v 29482 charger
- Compatible with Greenworks 40 volt cordless power tools 20302 20672 24252 20202 22262 20322 25312 25302 25322 25223 21302 22272 27062 21242 24282 21332
- 29462 battery integrated 4-level LED battery charge indicator allows user to monitor battery using. Surrounding heat release holes accelerate battery cooling. Easy-to-use design snaps in and out of tools
- 29472 replacement battery provide short-circuit protection, over-charge protection, over-discharge protection, over-temperature protection, over-current protection and over-voltage protection,make the uses safer
Rank #2
- 【Basic Information】Battery Type: Lithium; Voltage: 40V; Capacity: 6.0Ah; Wattage: 240Wh. Replacement Battery for Greenworks 40V Battery 29472 29462 29252 20202 22262 25312 21242
- 【Replace for GreenWorks 】Compatible with GreenWorks 29462 G-MAX, Fits GMAX Tools 20302 20672 24252 20202 22262 20322 25312 25302 25322 25223 21302 22272 27062 21242 24282 21332 21362 22342 2500502 MO40L410
- 【LED indicator for Greenworks Battery 】4 LED indicators for users to monitor power. Display remaining run time and reduce the risk of downtime work and promptly remind you that you need to charge.
- 【High Capacity】High-Performance battery cells to ensure that all batteries are efficiency, reliability, safety and quality excellent. No memory effect, can be charged or discharged as needed without losing capacity. Hope you will like it.
- 【Battery Protection】No memory effect, Can be charged or discharged as needed without loss of capacity. Please keep the Power Tool clean. And exported North America, European areas, Australia, Japan, Korea etc，trusted and loved by people all over the world.
A practical checklist before buying
- List the tools you actually need. Check whether each is offered in 24V, 40V, or both on Greenworks’ 24V tools and 40V tools pages.
- Choose a platform that fits your existing batteries, if applicable. Batteries work only with tools in the same voltage family, according to Greenworks’ compatibility guidance.
- Check the exact tool and battery specifications. Consider the task, the battery’s Ah rating, and any model-specific compatibility details rather than relying on voltage as a performance guarantee.
- Compare kit contents. Verify whether the purchase includes a battery and charger, and whether those components match the tool’s platform. Greenworks lists batteries and chargers in its battery collection and offers a 24V starter kit.
- Plan for later additions. If you expect to expand your collection, check that the tools you may want are available in the platform you select.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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