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Greenworks GMAX 40V 4. 0 amp-hour lithium-ion battery for use in all GreenWorks GMAX cordless tools, model number 29463.
The innovative GMAX 40V Lithium-Ion Battery delivers high performance and efficiency among all GreenWorks GMAX tools. A quick charge time of 60 minutes for a 2 AH battery and 120 minutes for a 4 AH battery makes the NEW GreenWorks GMAX Series of lawn tools a great option when looking to replace gas-powered products. Featuring a simple snap-on and off design for ease of use and an innovative battery charge level indicator, Lithium-ion batteries offer no negative memory effect, consistent fade-free power throughout their entire run cycle, and 3 times longer run time than Nicad batteries. From mowing and edging to trimming and blowing. It’s not compatible with previous GreenWorks 40V tools.

Lithium-Ion batteries can be charged any time with no negative memory effect, so they will be at peak power even after hundreds of charge cycles. Even a few minutes of charging gives you enough full power to finish the job.


  • High-Performance G-MAX 40V 4.0 Ah Lithium-Ion Battery delivers fade-free power with no memory loss after charging
  • On-board battery ‘fuel’ indicator allows for on-demand reference of remaining power
  • One battery system for 50+ tools offers a complete yard work solution
  • Full Power during its entire run time
  • 120 minutes charge time
  • Diagnostic LED’s indicates when the charging process has been completed
  • Environmentally friendly


  • Brand: GreenWorks
  • Number Of Batteries: 1 Lithium-ion battery required. (included)
  • Battery Cell Composition: Lithium-Ion
  • Unit Count: 1 Count
  • Voltage: 40 Volts
  • Product Dimensions: 6.2 x 3.2 x 3.4 inches
  • Item Weight: 2.92 pounds