What is the Brushless Technology and how does it improve the performance and life of the 8250?

Brushless motors are more powerful & efficient than brushed motors since it uses a permanent magnet as opposed to wound wire coils found in brushed motors. Brushless motors require less maintenance as you don’t need to replace brushes on the motor

How long does it take to fully charge the Dremel 8250?

Once the B816-01 battery pack is inserted into the charger a blinking green light on the charger will indicate the battery is charging. A solid green light will indicate a fully charged battery. Total charge time is approximately 95 minutes.

How long does a full battery charge last?

The 8250 battery lasts approximately 12 minutes in heavy duty applications and 25 minutes in light duty applications. The estimates provided are based on average use and actual runtimes may vary.

What’s the main difference between the Dremel 8250 and the 8240?

The 8250 features a brushless motor that provides more power, more runtime and more speed vs the 8240 brushed motor.

Are the 8220 & 8250 batteries cross-compatible?

No, the 8250 is not compatible with Dremel 12V battery pack model numbers 875, 880, B812 & B814 which are intended for use with the Dremel 8220. The B816 12V battery pack is intended for use with the 8250 and not compatible with the Dremel 8220.

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Dremel 8250-5 12V Cordless Rotary Tool Kit with Brushless Motor

Dremel 8250-5 12V Cordless Rotary Tool Kit with Brushless Motor

Product ID: 439165887

Details

Brand
Dremel
Color
Black
Power Source
Battery
Recommended Uses For Product
Cutting
Voltage
12 volts

⚡Brushless motor for max power & durability

🔋3.0Ah battery with 2X runtime vs prior models

🎛️Variable speed 5,000-30,000 RPM for precision

MX$8502

Duties & taxes included

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Description

⚡ Power Meets Freedom: Cut, Sand, Drill Anywhere, Anytime!

ALL DAY RUNTIME - Enhanced 12V 3.0Ah battery delivers double the runtime so you never stop mid-project.
COMPLETE PRO KIT - Includes charger, 5 EZ Lock accessories, and a sleek storage case—ready for any challenge.
EZ TWIST NOSE CAP - Switch accessories in seconds—no wrench needed, just pure workflow flow.
PRECISION CONTROL DIAL - Adjust speeds from 5,000 to 30,000 RPM for flawless results on any material.
UNMATCHED BRUSHLESS POWER - Experience 20% more power than top corded models—work faster, smarter.

The Dremel 8250-5 is a professional-grade cordless rotary tool featuring advanced brushless motor technology that delivers 20% more power than Dremel’s top corded model. Equipped with a high-performance 12V 3.0Ah battery, it offers double the runtime of previous cordless versions, ensuring extended use without interruption. Its variable speed dial (5,000-30,000 RPM) provides precise control across multiple applications including cutting, sanding, drilling, and grinding. The patented EZ Twist Nose Cap enables quick accessory changes without tools, making it the ultimate versatile kit for professionals and serious DIYers seeking cordless convenience without sacrificing power or durability.

Specifications

ASIN	B09RKV6RQW
Best Sellers Rank	#12,932 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #25 in Power Rotary Tools
Brand	Dremel
Brand Name	Dremel
Color	Black
Customer Reviews	4.6 out of 5 stars 1,733 Reviews
Included Components	Dremel Rotary Tool 8250, B816-01 3.0Ah battery, GAL12V-20 charger and 5 EZ Lock accessories
Item Dimensions	9.6 x 2.05 x 2.38 inches
Item Highlight	Digital Display Screen, Variable Speed, Quick Accessory Changes, 3AH Battery Pack, Charger, 5 Accessories and Tool Bag
Item Type Name	Rotary Tool
Item Weight	13.76 ounces
Manufacturer	Dremel
Manufacturer Part Number	8250-5
Manufacturer Warranty Description	Limited Lifetime - Manufacturer Only
Maximum Rotational Speed	30000 rpm
Minimum Speed	5000 rpm
Model Number	8250
Number of Batteries	1 Lithium Ion batteries required. (included)
Number of Items	1
Number of Packs	1
Other Special Features of the Product	Compact, Cordless, Cordless Durability, Multi Use, Variable Speed
Power Source	Battery Powered
Recommended Uses For Product	Cutting, Sanding, Drilling, Grinding, Sharpening
Special Feature	Compact, Cordless, Cordless Durability, Multi Use, Variable Speed
Style Name	Original Kit
UPC	080596057343
Unit Count	1 Count
Voltage	12 volts

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