Product Review: Dong Cheng 12 Inch Brushless Cordless Chainsaw, 20V Battery Powered with 2×4000mAh Batteries, 12m/s Chain Speed, Tool-Free Tensioning, Auto Oiler & Chain Brake, Ideal for Wood Cutting & Tree Trimming
Looking to buy Dong Cheng chainsaw or searching for the best cordless chainsaw to buy for backyard jobs? In this review we look closely at the Dong Cheng 12 Inch Brushless Cordless Chainsaw — a portable, lightweight, and brushless chainsaw designed for homeowners and hobbyists who want a quiet but powerful 20V chainsaw for tree trimming, pruning, and small log cutting.
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Introduction
This Dong Cheng chainsaw combines a brushless motor with a compact 12 inch guide bar and dual 4000mAh batteries to deliver balanced power and runtime. If you need a cordless chainsaw for sale that’s lightweight — only 5.5 lbs with battery — and capable of up to 12m/s chain speed, this model is worth considering. Below we break down features, pros and cons, and who should buy this battery chainsaw.
What is this product?
The Dong Cheng 12 Inch Brushless Cordless Chainsaw is a 20V battery powered, portable chainsaw that targets homeowners and light-professional users. It’s a 12 inch chainsaw with automatic oiler, tool-free tensioning, and a safety chain brake. This brushless chainsaw is marketed for pruning, limb cutting, fence post work, and light firewood — essentially a chainsaw for tree trimming and general backyard wood cutting.
Key Features
- Lightweight Yet Powerful – Only 5.5 lbs (with battery), ideal for pruning and limbing in tight spaces.
- Efficient Cutting with 12m/s Chain Speed – Up to 12 meters/second chain speed for quick cuts through hardwood and branches.
- Long Runtime – Up to 80 Cuts Per Charge – Comes with 2×4000mAh batteries; combined runtime supports up to 160 cuts on 4×4 inch wood per charge.
- Tool-Free Tensioning & Automatic Oiler – Side dial for quick chain tension adjustments and a built-in automatic oiler for smoother cuts and longer chain life.
- Safety Features – Instant-stop chain brake (<0.12s) and lock-off safety switch help prevent accidental starts.
Detailed Description
This 20V battery powered 12 inch chainsaw offers a brushless motor that improves efficiency and reduces noise compared with brushed alternatives. The Dong Cheng 12 inch brushless cordless chainsaw with 2x4000mAh batteries is designed for homeowners who want a reliable tool without the fuss of gas. The brushless motor not only improves runtime but provides more torque at the bar, making it suitable as a chainsaw for tree trimming and cutting branches up to about 10″ thick.
Tool-free tensioning makes maintenance simple — adjust chain tension with the side dial before each job. The cordless chainsaw with tool-free tensioning and auto oiler minimizes downtime, while the automatic oiler keeps chain lubrication optimal during continuous cuts. For those searching for a chainsaw kit with 2 batteries or a 20V chainsaw with batteries, this Dong Cheng kit is positioned as a practical dual-battery cordless chainsaw for extended runtime.
Safety-wise, the built-in chain brake stops the chain in under 0.12 seconds, and the lock-off switch prevents accidental startups — features that make this brushless motor chainsaw ideal for pruning and limb cutting by homeowners and beginner users. The portable battery chainsaw with chain brake and compact design also fits the bill for quiet, residential use: it’s a silent brushless chainsaw for residential use relative to gas alternatives.
Pros and Cons
Pros
- Lightweight and portable — only 5.5 lbs with battery, easy for extended use.
- Brushless motor — better efficiency, quieter operation, and longer motor life.
- Dual batteries — 2×4000mAh provides extended runtime and quick swapping.
- Tool-free maintenance — side dial tensioning and automatic oiler reduce hassle.
- Safety features — fast chain brake and lock-off switch.
Cons
- Not designed for heavy timber or full-time professional logging work.
- Range limited by 12 inch bar — not ideal if you need larger bar lengths regularly.
- Replacement chains and bars may have limited aftermarket availability depending on region.
Who Should Buy This Product
This Dong Cheng cordless chainsaw is aimed at:
- Homeowners who need a lightweight 12 inch chainsaw for backyard wood cutting and fence post work.
- Gardeners and weekend warriors who want a silent brushless chainsaw for residential use.
- People looking for a cordless chainsaw for sale or a chainsaw kit with 2 batteries for extended runtime.
- Anyone who wants to buy Dong Cheng chainsaw with modern safety features like a chain brake and lock-off switch.
If you want to order Dong Cheng cordless chainsaw or compare prices for a brushless cordless chainsaw price, this model presents a solid balance of price, performance, and convenience.
Comparison with Similar Products
Compared with other 12 inch cordless models, the Dong Cheng 12 inch brushless cordless chainsaw stands out for its dual 4000mAh batteries and tool-free tensioning. Cheaper 12 inch chainsaw online options might skimp on battery capacity or use brushed motors, while premium brands may offer longer bars or higher RPM motors at a higher brushless cordless chainsaw price.
In short:
- Vs. budget cordless saws: Dong Cheng offers brushless efficiency and two batteries, usually delivering better runtime and less noise.
- Vs. premium brands: Other brands may have stronger aftermarket support and accessories, but often cost more.
Frequently Asked Questions
Does it come with batteries and charger?
Yes — this listing includes 2×4000mAh batteries and a charger, making it a complete 20V chainsaw with batteries kit.
How thick a log can it cut?
The 12m/s chain speed and 12-inch bar are suitable for branches and logs up to about 10″ thick. It performs best on pruning, limb cutting, and smaller firewood tasks.
Is it safe for beginners?
With its instant-stop chain brake and lock-off safety switch, it’s a good option for beginners who follow standard safety practices and use appropriate protection (gloves, eye protection, chaps).
Final Verdict Cordless Chainsaw
Overall, the Dong Cheng chainsaw is a compelling choice if you’re looking for a lightweight, portable brushless chainsaw for tree trimming, pruning, and small-scale cutting. It hits the sweet spot for homeowners who want the convenience of a cordless chainsaw with the performance boost of a brushless motor and dual batteries. If your priority is a quiet, efficient, and easy-to-maintain 12 inch chainsaw, this model should be near the top of your list.
Want a quick comparison or help deciding whether to buy Dong Cheng chainsaw or another brand? Use the internal links above or jump to the Who Should Buy This Product section for a quick checklist.