How long does it take to fully charge the Dremel 8240?

Once the B815-01 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 65 minutes.

How long does a full battery charge last?

The 8240 battery lasts approximately 10 minutes in heavy duty applications and 20 minutes in light duty applications. The estimates provided are based on average use and actual runtimes may vary.

The Battery Indicator light shows three flashing lights, what does this mean?

The three flashing lights indicates that the tool is stalling and is too hot for use. If this happens, remove the tool from the material & shut off. Allow it to cool down. Resume use without excel pressure.

What’s the difference between the Dremel 8220 and the 8240?

Versus the 8220, the 8240 features improved design & extended soft grip for more control & comfort. The tool also has enhanced electronics for optimal power, performance and efficiency; and also has improved ventilation to reduce heat during use.

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. The 8240 does still provide a high level of power, and performance.

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Dremel 8240-5 12V Cordless Rotary Tool Kit with Tool Fabric Carry Bag

Dremel 8240-5 12V Cordless Rotary Tool Kit with Tool Fabric Carry Bag

Product ID: 438902757

Details

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

⚡12V / 2AH Lithium-Ion Battery

🎒Compact & Portable with Carry Bag

🔄5,000-35,000 RPM Variable Speed

$U9456

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Description

⚙️ Power, Precision, and Portability — Your Ultimate DIY Sidekick!

COMFORT DRIVEN DESIGN - Ergonomic 360-degree grip zone maximizes comfort and control during extended use.
POWER MEETS PORTABILITY - Cordless 12V lithium-ion battery delivers up to 2 hours of uninterrupted high-performance work.
STAY IN THE ZONE LONGER - LED battery life indicator and quiet ventilation system keep you informed and focused without distractions.
EFFORTLESS ACCESSORY SWAPS - Patented EZ Twist Nose Cap enables quick, wrench-free accessory changes to keep your workflow seamless.
PRECISION AT YOUR FINGERTIPS - Variable speed dial from 5,000 to 35,000 RPM ensures perfect control for every detailed project.

The Dremel 8240-5 is a sleek, cordless rotary tool powered by a 12V/2AH lithium-ion battery offering up to 2 hours of runtime. With variable speeds from 5,000 to 35,000 RPM and an ergonomic 360-degree grip, it delivers professional-grade precision and comfort. Its patented EZ Twist Nose Cap allows fast accessory changes without tools, while the included carry bag ensures portability. Ideal for cutting, sanding, grinding, and polishing, this kit is a must-have for millennial professionals seeking versatile, high-performance tools that keep up with their dynamic lifestyle.

Specifications

ASIN	B09SKFVSMZ
Battery Average Life	2 hours
Best Sellers Rank	#5,103 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #9 in Power Rotary Tools
Brand	Dremel
Brand Name	Dremel
Color	Black
Customer Reviews	4.5 out of 5 stars 2,358 Reviews
Included Components	8240, B815-01 2.0Ah battery, GAL12V-20 charger and 5 accessories
Item Dimensions	9.98 x 2 x 2.38 inches
Item Highlight	Comfort Grip, Variable Speed, Includes 2AH Battery Pack, Charger, 5 Rotary Tool Accessories, Wrench & Carry Bag
Item Type Name	Rotary Tools
Item Weight	1.5 pounds
Manufacturer	Dremel
Manufacturer Part Number	8240-5
Manufacturer Warranty Description	Limited 2 Years
Maximum Rotational Speed	35000 rpm
Minimum Speed	5000 rpm
Model Number	8240-5
Number of Batteries	1 Lithium Ion batteries required. (included)
Number of Items	1
Other Special Features of the Product	Compact, Cordless, Variable Speed
Power Source	Battery Powered
Recommended Uses For Product	Deburring, Grinding, Polishing, Sanding
Special Feature	Compact, Cordless, Variable Speed
Style Name	Industrial
UPC	080596057336
Unit Count	1 Count
Voltage	12 volts

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