Can I use the 24V battery in 40V tools?

No. The 24V pack fits the POWERALL 24V platform and the 40V pack fits G-MAX 40V tools. The voltages and mounts differ, so neither works in the other's tools.

Which has more run time?

The 40V pack, at 144Wh versus 96Wh for the 24V. That is 50% more energy, though actual run time depends on the tool.

Which charges faster?

The 24V battery, at 48 minutes with a 2-Amp charger versus 120 minutes for the 40V pack. Neither charger is included.

Is the 40V worth the extra money?

Only if you own G-MAX 40V tools. At $56.98 versus $24.95 at eBay as of November 4, 2026, the 40V buys more capacity and a much wider tool range, but it is useless on a 24V tool.

The 40V has the larger energy reserve and overdischarge protection, which helps pack life. The 24V has auto cut-off against overcharging. Both are lithium-ion with no memory effect.

Does either include a charger?

No. The 24V needs a designated 24V charger and the 40V needs a 40V charger, both sold separately.

Greenworks 24V 2.0Ah Lithium-Ion Battery vs Battery for power tools extra digital 40V 4.0Ah Li-ion

Buy the 24V 2.0Ah battery if you own a Greenworks 24V POWERALL tool, especially the SVG24L410 or SVW24L410 stick vacuums, and want the cheapest way to add a spare with a USB-C port. Buy the 40V 4.0Ah battery if you are on the G-MAX 40V platform, where it fits 75+ tools and gives 144Wh of capacity. The 24V is $24.95 at eBay and the 40V is $56.98 at eBay, both as of November 4, 2026. They are not interchangeable, so the platform you already own decides it.

Today the Greenworks 24V 2.0Ah Lithium-Ion Battery costs $40.98 less at its best price.

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