Product Review: Dong Cheng Brushless Cordless Chainsaw 16 Inch, 40V Battery Chainsaw with Tool-Free Chain Tensioning, Instant-Stop Chain Brake, Includes 2 × 4.0Ah Batteries & Charger, Ideal for Tree & Wood Cutting
Introduction
If you’re looking to buy cordless chainsaw power without the fuss of gas, the Dong Cheng Brushless Cordless Chainsaw is worth a close look. This 16 inch chainsaw runs on a dual-battery 40V system and promises professional-level cutting performance in a lightweight, portable package. In this review I cover real-world performance, safety, runtime, and whether this model is the best battery chainsaw for tree cutting or general woodcutting around the yard.
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What is this product?
The Dong Cheng Brushless Cordless Chainsaw is a 16 inch battery chainsaw powered by two 20V batteries (40V total). Designed for homeowners, arborists, and pros who need a portable chainsaw without the maintenance headaches of gas, this brushless chainsaw offers a gas-like power feel, tool-free chain tensioning, and an instant-stop chain brake for added safety. The kit includes two 4.0Ah batteries and a charger, making it a complete chainsaw kit with charger included.
Key Features
- Gas-Like Power for Professional Cutting: Powered by dual 20V batteries (40V), this cordless chainsaw delivers the cutting performance expected by arborists and experienced DIYers for tree felling and firewood.
- Heavy-Duty Performance – Up to 150 Cuts Per Charge: The high-efficiency brushless motor gives consistent power and longer runtime—up to 150 cuts on 4×4 wood per charge with the included 4.0Ah batteries.
- Tool-Free Chain Tensioning: Adjust chain tension quickly without tools, keeping downtime minimal and maintenance simple on the job or at home.
- Instant-Stop Chain Brake for Maximum Safety: The chain brake stops the chain instantly to reduce the risk of accidental cuts—important for both professionals and homeowners.
- Versatile Battery System: Part of the DongCheng 20V/40V ecosystem—batteries are interchangeable across compatible tools, offering more value for those building a battery tool collection.
Detailed Description
Although compact and portable, this 16 inch chainsaw is built to tackle demanding jobs like tree pruning, storm cleanup, and firewood processing. The brushless motor improves efficiency and reduces heat, which translates into longer life for the tool and the batteries. The included two 4Ah batteries provide a practical balance of runtime and weight—ideal when you need a cordless 16 inch brushless chainsaw with two 4Ah batteries for extended work sessions.
Other highlights include an ergonomic handle and a lightweight design that make it a comfortable portable chainsaw for remote job sites. For homeowners wanting a quiet electric chainsaw for homeowners and those seeking an easy-to-maintain wood cutting chainsaw, the Dong Cheng model checks a lot of boxes. Features like tool-free chain tensioning and the instant-stop brake make this unit a safe and low-maintenance choice.
Pros and Cons
Pros
- Powerful brushless motor: Delivers gas-like cutting performance for a battery chainsaw.
- Includes 2 × 4.0Ah batteries & charger: Ready to use out of the box—perfect for buyers searching for a chainsaw kit with charger included or a chainsaw with two batteries.
- Tool-free chain tensioning: Fast adjustments keep you cutting with less downtime.
- Instant-stop chain brake: Enhances safety for both professionals and homeowners.
- Interchangeable battery platform: Works with other DongCheng 20V/40V tools for greater flexibility.
Cons
- Weight vs. single-battery models: Slightly heavier than some compact single-battery saws because it uses two batteries for 40V output.
- Replacement parts availability: As with many brands, chain and bar replacements may vary by region—check availability before purchase.
- Not a direct gas replacement for the heaviest felling jobs: While powerful, extreme logging may still favor big gas chainsaws.
Who Should Buy This Product
This brushless battery chainsaw is ideal for:
- Homeowners who want a quiet electric chainsaw for homeowners to prune trees, cut firewood, and manage yard debris.
- Professional arborists and contractors who need a long runtime brushless chainsaw for cutting trees on remote job sites where portability matters.
- Anyone looking to buy Dong Cheng chainsaw as part of a 20V/40V cordless tool system to power multiple tools with the same batteries.
- Shoppers looking for a 16 inch battery chainsaw for sale with a safety-first design like the instant-stop brake.
Comparison with Similar Products
Compared to gas chainsaws, the Dong Cheng 40V chainsaw offers cleaner operation, lower noise, and easier maintenance. Against other electric and battery models, its use of two 4.0Ah batteries for a full 40V output provides a performance edge that approaches gas-like cutting. If you’re looking for the best battery chainsaw for tree cutting, this model competes well with other brushless cordless chainsaw options.
Key differentiators:
- Runtime: Up to ~150 cuts per charge on standard 4×4 wood with included batteries—better than many single-battery 40V competitors.
- Safety: Instant-stop chain brake is a strong selling point compared to basic electric saws without such features.
- Maintenance: Tool-free chain tensioning beats many models that require a screwdriver or wrench.
Frequently Asked Questions
Q: Is this chainsaw suitable for heavy tree felling?
A: The 40V brushless system offers gas-like power for many felling tasks, but for very large timber you may still prefer a high-displacement gas saw. For most homeowners and many pros, this electric chainsaw will be sufficient.
Q: How long do the included batteries last?
A: With the two 4.0Ah batteries, you can expect up to 150 cuts on 4×4 wood per charge under typical conditions. Real-world runtime varies by wood type and cutting technique.
Q: Can I buy extra batteries or a charger separately?
A: Yes. The DongCheng 20V/40V battery platform means extra batteries and chargers are available, letting you scale runtime by adding spares—ideal if you need a chainsaw with two batteries or more for long jobs.
Final Verdict
For those who want a reliable cordless chainsaw with professional features, the Dong Cheng Brushless Cordless Chainsaw is a compelling choice. It blends the convenience of a battery chainsaw with the power and safety features pros expect—tool-free chain tensioning, instant-stop chain brake, and a robust brushless motor. If you want to buy cordless chainsaw that is ready out of the box (batteries and charger included), or you’re searching for a brushless cordless chainsaw deal, this kit is worth serious consideration.
Explore more options and read expert picks at our review roundup: Best Cordless Chainsaws