G40B4 | 2927007

40V Battery 4Ah

  • Powerful Gen 2 Lithium Battery - precision engineered with advanced lithium technology for outstanding power, lifespan and performance
  • Battery Indication - indicates current battery level
  • Durable - maintains battery power also when not in use
  • Compatible with all Greenworks 40V Garden and Power Tools
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The Greenworks G40B4 is a powerful 40V 4Ah lithium-ion battery. With no cables or petrol to deal with, offering improved safety and freedom around the garden. Featuring the latest Lithium-Ion technology and integrated LED power indicator, clearly showing the power level and when charging is required. Compatible with all 40V garden tools for total convenience.

The 4Ah battery offers 144 Watt hours of power, perfect for any jobs around the garden. Thanks to the latest Lithium-Ion technology the battery offers fast charging, optimum performance and long runtimes, as well as the benefit of no self discharge.

Not sure what Ah means? Ah is an abbreviation for Amp hours, the higher the Amp hour, the longer the battery will power a product.

As part of the Greenworks 40V family, the battery can be used in a range of different tools, from lawn mowers, hedge trimmers, chainsaws.


  • Part of the 40V family – One battery for multiple products
  • 4Ah lithium-ion battery
  • Compact and powerful
  • No self discharge
  • LED power indicator
  • No emissions
  • No fuel or cables to worry about
  • Technical Data

    • Battery Ah 4 Ah
    • Charger Time 4Ah < 120 min
    • Voltage 40V
    • Watt Hours 160 Wh
    • Weight 1,34 kg