GreenWorks 20312 Review

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The GreenWorks 20312 chainsaw runs on a 40 volt 4A Li-ion rechargeable battery. This offers cleaner energy compared to traditional gas. The battery also takes approximately 2 hours to be fully charged and lasts for up to 100 cuts (rated on 4×4 lumber). 

The Li-ion technology ensures that the battery is able to provide consistent power even after multiple recharges. Compared to gas chainsaws, maintenance checks are quite minimal. The battery is also quite versatile and can be used on a variety of GreenWorks cordless tools and equipment.

GreenWorks 20312 Cordless Chainsaw

Our Rating


The motor installed in a cordless chainsaw plays a huge role in determining the amount of torque and vibration output. The GreenWorks 20312 comes fitted with a unique brushless motor. This design produces less noise and vibration to ensure that you’re comfortable even when operating the chainsaw for extended periods. The motor design also provides more torque which comes in handy when cutting through thick wood.

Comfortable and Lightweight Design

Weighing 10.4 pounds, the GreenWorks G-MAX cordless chainsaw is easy to carry and operate for extended periods. The inclusion of a powerful brushless motor reduces vibration and noise output further ensuring that you remain comfortable while operating this chainsaw.

Instant Start, Self-Oiling, and User Safety Focused

You won’t have to worry about dealing with a recoil cable to get this chainsaw running as it’s fitted with an instant start ON/OFF switch. Its built-in automatic self-oiler ensures that you don’t need to take unnecessary breaks to oil the chain. Being a cordless chainsaw, it won’t produce fumes and comes with built-in features such as a chain break which ensure user safety.

Notable Features and Specifications

  • Built-in DigiPro brushless motor
  • Runs on 40V 4A G-MAX li-ion battery
  • 16 inch heavy duty bar
  • Rated at 100 cuts per charge (4x4s)
  • 10.4 lbs weight
  • Up to 70% less vibration
  • Up to 30% more torque
  • Battery and charger included
  • Pros: Battery lasts quite a while. Quick recharge. Cuts quite well. 
  • Cons: Reports of chain falling off. Could be due to usage.


Overall, the GreenWorks 20312 cordless chainsaw makes for a good investment if you want a lightweight yet powerful unit. It includes many features that make it comfortable to use, low maintenance, and quite durable.

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