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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) or fill out the web form.

For 80V tool enquiries call our 80V PRO Customer Service Team 1-855-345-3934.

Our customer service teams 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.