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G-MAX 40V 4Ah Lithium-ion Battery

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  • Features & Benefits
  • Specification
  • Media
  • Reviews
  • Manuals

Features & Benefits

  • High Performance G-MAX 40V Lithium-Ion Battery delivers fade-free power with no memory loss after charging
  • Twice the runtime of our G-MAX 2 Ah Lithium-Ion Battery
  • One battery system for multiple tools to offer a complete yard work solution
  • On-board battery "fuel" indicator allows for on-demand reference of remaining power
  • Design allows for easy transfer between all of your G-MAX tools

Product Videos

  • G-MAX Family of Tools

Product Images

Customer Reviews

User Manual (pdf)

Customer Support

To contact GreenWorks Customer Care, call our help line 1-888-90-WORKS (888.909.6757) Monday - Friday 9am to 5pm EST or fill out the web form

Our customer service team will help you choose the right Greenworks product or help you with any issues you are having. Please allow up to 24-48 hrs for email response.