DeWalt Battery Operated Chain Saws: Which Bar Length Fits Your Yard?
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Finding the right dewalt battery operated chain saw comes down to matching your existing battery inventory to the thickness of wood you routinely cut. Homeowners who already maintain a collection of 20V MAX or 60V FlexVolt batteries can skip the fumes, pull cords, and carburetor maintenance of gas tools by choosing a compatible cordless platform. Whether you are pruning stray tree limbs along a fence line or cutting up downed logs after heavy wind, selecting the correct bar length and motor wattage guarantees smooth cutting without stalling or burning through your power packs prematurely.
This comparison covers 6 battery-powered chainsaws engineered for or compatible with DeWalt battery platforms, ranging from lightweight 6-inch and 8-inch handheld pruning saws up to a commercial-scale 18-inch timber saw. While smaller models prioritize single-handed balance and rapid branch clearing, mid-range 10-inch and 12-inch saws add automatic oiling reservoirs for prolonged cutting. At the top end, dual-battery 40V configurations and dedicated 60V brushless motors deliver the chain speed and torque necessary for bucking thick firewood and clearing fallen trees across your property.
Which DeWalt Battery Powered Chainsaw Should You Buy
- For ultra-compact one-handed limb trimming and clearing tight brush: Cordless Mini Chainsaw Compatible with Dewalt
see 3 of 6 - For general backyard pruning with a battery and charger included out of the box: 10 Inch Cordless Chainsaw for DEWALT
see 2 of 6 - For steady 12-inch cutting capacity backed by dual safety activation buttons: 12 Inch Cordless Mini Chainsaw
see 1 of 6 - For mid-sized firewood preparation that accepts both 20V and 60V DeWalt power packs: Brushless Electric Chainsaw 12″ Cordless Tool
see 5 of 6 - For high-torque storm cleanup and logs up to 16 inches using dual 20V packs: 40V 16″ Brushless Chainsaw Cordless Compatible
see 6 of 6 - For maximum cutting depth and felling heavy timber on dedicated high-voltage power: Dewalt Saw Chain BRUSHLESS Bare 18IN
see 4 of 6
What Sets These Models Apart
| Chainsaw Model | Bar Length | Motor Output | Battery System Compatibility |
|---|---|---|---|
| 12 Inch Cordless Mini Chainsaw | 12 inches | 1000W Brushless | DeWalt 20V MAX (Bare Tool) |
| 10 Inch Cordless Chainsaw for DEWALT | 10 inches | 1000W Brushless | DeWalt 20V MAX (4.0Ah Battery Included) |
| Cordless Mini Chainsaw Compatible with Dewalt | 6 & 8 inches | 1200W Brushless | DeWalt 20V MAX (Bare Tool) |
| Dewalt Saw Chain BRUSHLESS Bare 18IN | 18 inches | 2.85 HP Brushless | DeWalt 60V Platform (Bare Tool) |
| Brushless Electric Chainsaw 12″ Cordless Tool | 12 inches | 1200W Brushless | DeWalt 20V / 60V Compatible (Bare Tool) |
| 40V 16″ Brushless Chainsaw Cordless Compatible | 16 inches | 2.0 HP Brushless | Dual DeWalt 20V MAX Packs (Bare Tool) |
Figures in this table are copied from the Amazon listings for these models.
Buying Tips for DeWalt Battery Powered Chainsaws
Navigating a dewalt chainsaw comparison requires looking closely at your typical cutting workload before choosing a guide bar length. For casual yard grooming, shaping shrubs, and trimming overhead branches, a bar length between 6 and 10 inches gives you superior physical control, reduced fatigue, and easy one-handed operation. If you regularly slice through downed limbs from mature shade trees or split medium logs for outdoor fire pits, a 12-inch to 16-inch bar provides the essential reach and cutting surface needed to make clean, straight cuts without binding inside the kerf.
Your choice of battery capacity also directly dictates your cutting stamina and tool performance. While compact pruning saws can operate comfortably on basic 2.0Ah or 3.0Ah compact 20V packs, larger 12-inch and 16-inch saws demand higher sustained amperage to avoid stalling under heavy mechanical resistance. Pairing your saws with high-capacity 4.0Ah, 5.0Ah, or 6.0Ah batteries ensures maximum torque retention throughout the cut and prevents thermal throttling during extended sessions in dense wood.
Finally, inspect the oiling and tensioning mechanisms before deciding which dewalt chainsaw to buy. Chainsaws generate substantial heat along the bar groove; choosing a model with an automatic chain lubrication pump and a visible reservoir prevents catastrophic chain stretching and bar scorching. Tool-free tensioning dials and dual-nut locking plates further streamline your maintenance routine, ensuring that re-tensioning a loosened chain remains a quick, tool-free task in the yard.
FAQ
Can I use my existing DeWalt 20V MAX drill batteries on these chainsaws?
Yes, all the 20V compatible models covered here accept standard DeWalt 20V MAX slide-style lithium-ion batteries. However, while smaller 6-inch and 8-inch pruning saws can run on standard 2.0Ah batteries, larger 12-inch and 16-inch chainsaws perform significantly better with 4.0Ah or higher capacity packs due to their higher sustained current draw.
What type of oil should I put in the automatic oiler reservoir?
You should use standard bar and chain oil in the automatic oiler reservoir. Bar and chain lubricant is specially formulated with high tackiness additives that keep the fluid clinging to the rapidly spinning chain and bar groove, preventing excessive friction, premature chain wear, and motor overheating.
Why is a brushless motor superior for a cordless chainsaw?
A brushless motor delivers significantly higher energy efficiency, reduced mechanical friction, and lower operating temperatures than traditional brushed motors. Because it eliminates carbon brushes that wear out over time, a brushless motor provides higher sustained torque under heavy cutting loads and extends the overall operating lifespan of your outdoor power tools.
Can a 12-inch battery chainsaw cut down a tree?
A 12-inch cordless chainsaw can comfortably fell small trees and saplings with trunk diameters up to approximately 10 inches using proper felling cuts. For trunks thicker than 10 to 12 inches, stepping up to a 16-inch or 18-inch chainsaw is much safer and significantly faster, as it allows you to complete directional cuts without having to work around the trunk from multiple awkward angles.
Do these bare tool chainsaws include bar and chain oil in the box?
The listings specify that bare tool packages do not include bar and chain oil. You must purchase standard chain lubricant separately and fill the oil reservoir before making your first cut to prevent immediate bar damage and chain binding.










