GreenWorks 20312 Review

Aug 24, 2018 | Reviews

The GreenWorks 20312 chainsaw runs on a 40 volt 4A Li-ion rechargeable battery. This offers cleaner energy compared to traditional gas. The battery takes approximately 2 hours to be fully charged. The chainsaw can cut through about 150, 4x4 pieces of timber before needing a recharge. 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 slicing through thick wood.

Comfortable and Lightweight Design

Weighing 6.9 pounds, the GreenWorks 20312 G-MAX 40V 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 tagging on a pull cord 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, the GreenWorks 20312 won’t produce fumes and comes with built-in features such as a chain break which ensure user safety.

Features and specifications

  • Built-in DigiPro brushless motor
  • Runs on 40V 4A G-MAX li-ion battery
  • 16 inch heavy duty bar
  • Cuts through up to 150 4×4’s on a single charge
  • 6.9 pounds weight
  • Up to 70% less vibration
  • Up to 30% more torque
  • Battery and charger included

Overall, the GreenWorks 20312 16 inch cordless chainsaw makes 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.

Pros and cons

  • ​It is designed with an automatic oiling system and a simple to view chain oil level window
  • ​It comes with an external adjustment screw for proper tensioning of the chains
  • Equipped with a wraparound hand guard that guarantees effortless running of the equipment on various cutting positions
  • Perfect for trimming, pruning, and light cutting tasks
  • There are several reported cases of receiving a defective saw.
  • Several have reported issues with oil leaks
  • Needs an electric outlet
  • Not meant for heavy duty cutting


In theory, the Remington RM1645 Versa Saw 16 Inch Electric Chainsaw might be an excellent idea. However, in practice, it might not be the best chainsaw for household usage since the quality is hit or miss. There might be a product on the market that is better suited for your needs at an even better deal with a more consistent standard of quality. So, you might prefer to surf around first before making your final purchase.

John McDonald

Chainsaw Expert for

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