This CRAFTSMAN V20 Cordless Brushless 1/4-in Impact Driver (tool only) has a brushless motor giving the user up to 30% more run time. MAX torque and speed allow you to drive large fasteners with ease. This tool-only configuration is intended for buyers who already own a compatible V20 battery and charger.
Is the CMCF813B compatible with CRAFTSMAN V20 batteries, and what size pack makes the most sense?
Yes. The CMCF813B runs on the V20 platform. The included 1.5Ah pack keeps weight down, but moving up to a 4Ah or 6Ah V20 battery makes more sense when you want longer runs between swaps.
When should you choose the CMCF813B as sold versus another package option?
Because the CMCF813B is tool-only, it is the better value if you already own a charger and enough V20 batteries. The listed variants, CMCF813C1 (Kit (1.5Ah)), are the direct comparison points.
What do the key specs on the CMCF813B mean in actual use?
The headline numbers are 2800 RPM, 0.25 in. chuck. Brushless motor construction affects efficiency and heat.
How much does the CMCF813B's brushless motor matter to a buyer?
A brushless CMCF813B is the better buy if you use the tool often, want stronger efficiency from each charge, and expect longer service life under repeated load.
How does the CMCF813B compare with the listed variants?
The related versions are CMCF813C1 (Kit (1.5Ah)). Use those variants to compare battery bundle, tool-only versus kit packaging, and whether another option moves up to brushless RP hardware or a different size class.
# CRAFTSMAN V20 BRUSHLESS RP Cordless 1/4-Inch Impact Driver (Tool Only) **Model:** `CMCF813B` **Brand:** CRAFTSMAN **Category:** Impact Driver > This CRAFTSMAN V20 Cordless Brushless 1/4-in Impact Driver (tool only) has a brushless motor giving the user up to 30% more run time. MAX torque and speed allow you to drive large fasteners with ease. This tool-only configuration is intended for buyers who already own a compatible V20 battery and charger. ## Specifications | Attribute | Value | |---|---| | Product Type | Impact Driver Drill | | Voltage (V) | 20 | | Cordless / Corded | Cordless | | Power Source | Battery | | Motor Type | Brushless | | Tool Only | Yes | | Batteries Included | 0 | | Battery Ah | 1.5 | | Charger Included | No | | Piece Count | 1 | | Battery Platform | V20 | | Barcode (UPC) | 885911824644 | | Country of Origin | Mexico | | Warranty | 3-year limited | | Chuck Size (in.) | 0.25 | | Max Speed (RPM) | 2,800 | | Variable Speed | No | | Hammer Function | No | | No Load Rpm | 2,800 | ## What's Included - (1) V20 BRUSHLESS RP Cordless 1/4-Inch Impact Driver (Tool Only) - Battery and charger sold separately Source: https://www.jaspecs.com/craftsman/impact-driver/cmcf813b-brushless-rp-cordless-1-4-inch-impact-driver-tool-only/