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Buying Guide · 2026

Best Battery Chainsaw of 2026

KOBy Kevin O'Neil· Updated July 2026· 5 picks compared
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Quick verdict

For most buyers, the SEESII 6-inch mini is the friendliest battery chainsaw to start with. It weighs about 2.7 pounds, runs a 900W motor on two 21V batteries, and arrives as a complete kit, so pruning and light limb work become genuinely one-handed and fuss-free.

🏆 Our Top Pick
Seesii Mini Chainsaw
★ Best Overall

Seesii Mini Chainsaw

This SEESII mini runs a 900W motor on a 6-inch bar and weighs about 2.7 pounds, so one-handed pruning is realistic. It ships with two 21V 2000mAh batteries rated for up to 80 cuts, a double safety lock, and a complete ready-to-use kit. That makes it an easy, low-commitment entry into battery cutting.

21V Voltage900W Power
Check price on Amazon →

Best battery chainsaw picks compared on voltage, bar length, runtime and weight so you can match a cordless battery saw to pruning, limbing or felling.

Why you should trust this guide

I built this list by reading each saw’s manufacturer listing and sorting the battery chainsaws by the work they suit, from 6-inch pruning minis up to an 18-inch felling saw. Battery saws cover a wide range, and treating a mini like a felling tool sets people up for disappointment. I keep the categories honest so you buy the right size.

My goal is to fit the saw to your yard, not to upsell you. A light one-handed mini and a heavy 80V saw solve different problems, and I am clear about which does what. I also flag battery platforms and runtime honestly, since those decide the real cost and convenience of going cordless.

How we evaluated

My evaluation weighs the criteria that matter for battery saws: voltage, bar length and cut capacity, motor power, battery capacity and runtime, weight, and features like auto oiling, tool-free tensioning, and safety locks. I did not test these units, so I am transparent that this reflects published specs and product positioning rather than field measurements.

I also consider platform and practicality. A saw that shares batteries with tools you own costs less to live with, and dual 4.0Ah packs behave very differently from a single 2000mAh battery. Where a listing omits a figure, I say so instead of filling in a guess.

What to look for

  • Voltage hints at power. 20 to 21V minis prune; 40V and 80V saws take on logs and felling.
  • Bar length sets your ceiling, from 6-inch pruning up to 18-inch felling.
  • Battery capacity in Ah drives runtime; dual 4.0Ah packs outlast a single 2000mAh battery.
  • Weight shapes comfort. Under 3 pounds is one-handed; heavier saws need two hands.
  • Auto oiler and tool-free tensioning reduce downtime and keep the chain healthy.
  • Battery platform saves money when the saw shares packs with tools you already own.
  • Safety locks and brakes grow more important as voltage and bar length climb.

How we test

We base every pick on real-world use, published manufacturer specifications and verified owner feedback. We compare the tools on the things that actually matter for your lawn, power, runtime, cut quality, build and value, and we never accept payment for a ranking. When we have not used a specific model first-hand, we say so.

The picks at a glance

ToolBest forScore
Seesii Mini ChainsawBest OverallCheck price
SEESII 40V 16Best ValueCheck price
Cordless Mini Chainsaw CompatibleBest PremiumCheck price
Greenworks 80V 18" Brushless Cordless ChainsawBest BudgetCheck price
SEESII Electric Chainsaw Cordless 12Also GreatCheck price

The picks, reviewed

Seesii Mini Chainsaw
★ Best Overall

Seesii Mini Chainsaw

This SEESII mini runs a 900W motor on a 6-inch bar and weighs about 2.7 pounds, so one-handed pruning is realistic. It ships with two 21V 2000mAh batteries rated for up to 80 cuts, a double safety lock, and a complete ready-to-use kit. That makes it an easy, low-commitment entry into battery cutting.

Reasons to buy

  • POWERFUL & SMOOTH CUTTING: SEESII mini chainsaw is equipped with a powerful 900W motor and
  • ONE-HANDED OPERATION, WOMEN FRIENDLY: This mini chainsaw cordless weighs only 2.7 pounds,
  • LONG-LIFE BATTERY: SEESII pruning saw is equipped with two powerful 21V 2000 mAh batteries
  • SAFETY FIRST: The double safety lock of the electic chainsaw prevents accidental activatio
  • COMPLETE SET FOR IMMEDIATE USE- EVERYTHING INCLUDED: Open the box, add the battery, and be

Reasons to avoid

  • The 6-inch bar limits you to small branches
  • Small 2000mAh packs mean swapping batteries on larger jobs
Voltage21V
Power900W
SEESII 40V 16
★ Best Value

SEESII 40V 16

The SEESII 40V pairs a 2000W brushless motor with a 16-inch guide bar and a cut capacity near 16 inches, so it takes on larger logs and limbs. Dual 40V 4.0Ah batteries deliver up to 90 minutes of runtime, with automatic chain oiling and tool-free tensioning built in. It is the most capable battery saw here for heavier property work.

Reasons to buy

  • NATIVE 40V BRUSHLESS POWER: Engineered with a high-torque 40V brushless motor, the SEESII
  • 2000W Brushless Motor for Serious Cutting Power:Driven by a 2000W 40V brushless motor, thi
  • 16-Inch Cutting Capacity for Large Logs & Limbs: With a 16-inch guide bar and max cutting
  • Up to 90 Minutes Runtime with Dual 40V 4.0Ah Batteries: Equipped with 2× 40V 4000mAh batte
  • Automatic Chain Oiling for Hassle-Free Cutting:The built-in auto chain oiler with a 150ml

Reasons to avoid

  • The larger bar and dual batteries add noticeable weight
  • Heavy cutting shortens the rated runtime
Engine42cc
Voltage40V
Battery4.0Ah
Power2000W
Cordless Mini Chainsaw Compatible
★ Best Premium

Cordless Mini Chainsaw Compatible

This DEJUNPIOOL mini is designed to run on DEWALT 20V MAX batteries, making it a smart add-on if you already own that platform since no battery or charger is included. It is a 2-in-1 with 6-inch and 8-inch bars and four chains, a 1200W brushless motor, automatic lubrication, and tool-free tensioning. At about 2.7 pounds it stays light for pruning.

Reasons to buy

  • 【Compatible with Dewalt Chainsaw 20V Battery, NO Battery & Charger】: DEJUNPIOOL mini chain
  • 【2-IN-1 6+8 Inch Pruning Saw with 4 Chains】: Versatile cutting with 6+8 inch 2-IN-1 design
  • 【1200W Powerful Brushless Chainsaw, More Efficient & Effortless Than Hand Saw】: Mini elect
  • 【Automatic Lubrication & Smooth Cutting】This cordless mini chainsaw is built with an autom
  • 【Tools Free Installation & Chain Tensioning】: The handheld chainsaw battery powered adopts

Reasons to avoid

  • No battery or charger, so it only pays off on the DEWALT platform
  • Even the 8-inch bar keeps it in pruning territory
Voltage20V
Power1200W
Greenworks 80V 18" Brushless Cordless Chainsaw
★ Best Budget

Greenworks 80V 18" Brushless Cordless Chainsaw

The Greenworks 80V is the powerhouse here, with an 18-inch bar and a brushless motor Greenworks compares to a 42cc gas saw, rated for up to 150 cuts on 4x4 lumber per charge. It includes an automatic oiler, easy-adjust tensioning, and a push-button start with no gas or pull cord. That makes it suited to felling and limbing.

Reasons to buy

  • 18'' CHAIN AND BAR : Perfect for professional users​
  • BRUSHLESS MOTOR TECHNOLOGY : 2X more torque. Provides more power, longer runtime, quiet op
  • AUTOMATIC OILER : Delivers proper chain lubrication and increased productivity​
  • EASY ADJUST TENSIONING : For easy bar and chain maintenance​
  • POWERFUL PERFORMANCE : Get up to 150 cuts on 4x4 lumber on a single charge and comparable

Reasons to avoid

  • Bundled here with a 2.0Ah battery, so runtime is limited for the bar size
  • An 18-inch saw is more than light pruning calls for
Voltage80V
Battery2.0Ah
SEESII Electric Chainsaw Cordless 12
★ Also Great

SEESII Electric Chainsaw Cordless 12

This SEESII 12-inch cordless sits between a mini and a full saw, with a 1200W brushless motor and a 12-inch cutting bar for pruning branches through cutting lumber. Two 4.0Ah batteries extend runtime, and a smart auto-oiling system adjusts oil flow as you work. It is a practical middle option for bigger branch work.

Reasons to buy

  • High-Capacity 4.0Ah Battery Cut longer and work smarter with two long-lasting 4.0Ah lithiu
  • 1200W Brushless Motor – Unstoppable Cutting Force Dominate tough cuts with a high-efficien
  • 12-Inch Cutting Bar – Tackle Big Projects From pruning branches to cutting lumber, the 12-
  • Smart Auto-Oiling System – Effortless Maintenance The intelligent lubrication system adjus
  • Lightweight & Cordless – Total Freedom Weighing just 12 lbs , this compact, wireless chain

Reasons to avoid

  • At around 12 pounds it is heavier than the minis
  • A 12-inch bar still trails the 16 to 18-inch saws for felling
Battery4.0Ah
Power1200W

What to look for

Size the saw to your wood

A 6-inch mini is ideal for pruning, a 12-inch saw handles bigger branches, and 16 to 18-inch bars tackle logs and felling. Buy for the wood you actually cut, not the biggest number.

Watch battery capacity

Runtime lives in the battery. A single 2000mAh pack does a handful of cuts; dual 4.0Ah packs like the SEESII 40V's stretch to around 90 minutes. Match capacity to your workload.

Mind the battery platform

The DEWALT-compatible DEJUNPIOOL only makes sense if you own 20V MAX packs. If you are starting fresh, a kit that includes batteries is the cheaper path.

Balance power and weight

More voltage and a longer bar cut faster but add heft. If you mostly reach up to prune, a light mini beats a heavy saw you avoid picking up.

Keep the chain healthy

Auto oilers and tool-free tensioning, which every saw here lists, keep the chain lubricated and correctly tensioned with less fuss, which extends chain life and improves cuts.

Our verdict

For most buyers, the SEESII 6-inch mini is the friendliest battery chainsaw to start with. It weighs about 2.7 pounds, runs a 900W motor on two 21V batteries, and arrives as a complete kit, so pruning and light limb work become genuinely one-handed and fuss-free.

FAQs

What voltage battery chainsaw do I need?

For pruning and small branches, a 20 to 21V mini is plenty. For logs, storm cleanup, or felling small trees, a 40V or 80V saw like the SEESII 40V or Greenworks 80V has the muscle you want.

How long do battery chainsaws run per charge?

It depends on the battery. A single 2000mAh mini does dozens of small cuts, while dual 4.0Ah packs like the SEESII 40V's are rated up to 90 minutes. Heavier cutting always shortens runtime.

Do battery chainsaws come with batteries?

Most of these do, including the minis and the SEESII 40V and 12-inch models. The DEWALT-compatible DEJUNPIOOL does not, because it is meant for owners of the 20V MAX platform.

Are battery chainsaws good enough to replace gas?

For most homeowner cutting, yes. They start with a button, need no fuel mixing, and models like the Greenworks 80V rival a 42cc gas saw. For all-day professional felling, gas still has an edge.

How heavy are battery chainsaws?

Minis run around 2.7 to 3.3 pounds for easy one-handed use. Larger saws like the SEESII 12-inch weigh more, around 12 pounds, so consider how long you will hold it.

KO

Kevin O’Neil didn’t set out to become a leaf blower expert. After a decade working in landscape maintenance, he grew frustrated by inflated marketing claims and tools that failed on real lawns. Seven years ago, he turned that frustration into YardToolLab, where he now serves as Lead Leaf Blower Tester. His focus is simple: test every blower the way a homeowner actually uses it. That means measuring real world runtime, noise at ear level, and how a backpack strap feels after an hour of cleanup. Kevin has personally tested over 50 blowers, from cordless models to commercial grade units. He does not rely on lab simulations. He buys the tools, runs them through mud, wet leaves, and long driveways, then reports honestly. Readers trust him because he has nothing to sell except the truth.

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