Einhell 4431122 18V 4-1/2″ Cordless Angle Grinder, TE-AG 18/115 Li – Tool Only

The Einhell TE-AG 18/115 Li is a compact, high-performance 18V cordless angle grinder designed for demanding grinding, cutting, and polishing applications on metal, tile, masonry, and more. Compatible with all Power X-Change batteries, this tool offers unrestricted mobility for contractors, metal fabricators, and DIYers who need reliable cordless power in the shop or on the jobsite. With a no-load speed of 8,500 RPM and a durable 4-1/2″ (115 mm) disc capacity, it’s built to handle everything from rust removal and weld prep to concrete scoring and bracket trimming.

The tool features soft-start for controlled power-up and a restart safeguard that prevents accidental reactivation after battery changes—delivering peace of mind in dynamic environments. The rugged aluminum gear housing and overload protection system extend the tool’s life, while the three-position auxiliary handle improves control from any angle. Built for both precision and productivity, it’s a dependable cordless grinder ready for daily use. Use a 2.5Ah battery or higher for optimal performance.

Battery and charger sold separately.

Einhell 18V 4-1/2″ Cordless Angle Grinder At a Glance

• Power X-Change compatibility: Runs on all Einhell 18V lithium-ion batteries for cordless convenience.
• Soft-start function: Ensures smooth and controlled startup, preventing kickback.
• Restart safeguard: Prevents unintentional startup after battery changes for added safety.
• Overload protection: Extends tool life by automatically shutting down in case of excessive strain.
• 8,500 RPM no-load speed: Delivers fast, efficient grinding and cutting performance.
• Quick-adjust disc guard: Allows tool-free repositioning for different cutting and grinding applications.
• Three-position auxiliary handle: Provides better control and stability, improving handling for various tasks.
• Rugged aluminum gear housing: Ensures durability and improved cooling for longer operation.
• Optimized airflow system: Reduces heat buildup and extends tool longevity.
• Smooth operation: Motor and gear separation design minimizes vibration and enhances performance.
• Cutting disc not included: Compatible with standard 4-1/2″ (115 mm) discs.
• Recommended battery: Use a 2.5Ah battery or higher for optimal performance.
• Battery and charger sold separately.

Markets

• Metalworking & Fabrication – Cuts and grinds steel, aluminum, and sheet metal with precision and speed
• Construction & Masonry Work – Useful for cutting tile, concrete, and block without cords
• Automotive & Welding – Removes rust, cleans welds, and trims exhaust or brackets
• DIY & Home Improvement – Ideal for sharpening blades, trimming fasteners, and cutting through hardware
• Trade Schools & Education – Teaches safe operation and control in a hands-on learning environment

Professionals in metalworking will find it invaluable for smoothing welds or cutting steel with ease, while construction trades benefit from its ability to cut tile, rebar, or masonry without reaching for an extension cord. Automotive shops and welders will appreciate the slim profile for underbody and tight-access grinding, and DIYers and renovators can confidently tackle tasks like sharpening blades, grinding rusted hardware, or cutting fasteners. This grinder is also a smart training tool in trades education, giving students experience with cordless safety protocols and angle grinder control.

Einhell 4431122 18V 4-1/2″ Cordless Angle Grinder TE-AG 18/115 Li-Solo Features

• Member of the Power X-Change family
• Softstart function and restart safeguard to make it safer to use
• Overload cut-out for a long service life
• Modified air guidance for better cooling and longer service life
• Very smooth operation thanks to separation of motor and gearing
• Disc guard with quick adjust facility
• Robust aluminum gear housing
• Ergonomic soft grip surfaces
• Additional handle can be fitted flexibly in 3 positions
• Cutting disc not included
• Recommended battery for optimum results 2.5 Ah battery
• Battery and charger sold separately

Einhell 4431122 18V 4-1/2″ Cordless Angle Grinder, TE-AG 18/115 Li – Tool Only Includes

• (1) TE-AG 18/115 Li Cordless Angle Grinder – Tool Only
• Cutting Discs, Battery and charger sold separately

Einhell 4431122 18V 4-1/2″ Cordless Angle Grinder TE-AG 18/115 Li-Solo Specifications

• Motor Voltage: 18V
• Motor Type: Brush Motor
• Disc Size: 4-1/2″ (115 mm)
• No-Load Speed: 8,500 RPM
• Max Cutting Depth: 1-1/8″ (28 mm)
• Spindle Thread: 5/8″ – 11 UNC
• Arbor Size: 7/8″ (22.2 mm)
• Length: 12.25 in
• Width: 11.00 in
• Height: 4.50 in
• Product Weight: 2.60 lbs
• Package Volume: 0.35 CuFt
• Item Number: 4431122
• EAN: 772995017669

Einhell 4431122 18V 4-1/2″ Cordless Angle Grinder, TE-AG 18/115 Li – Tool Only Warranty

• Einhell’s 2 year warranty with an extended year if you register your machine online.

Why Customers Choose the Einhell 18V 4-1/2″ Cordless Angle Grinder, TE-AG 18/115 Li

This model is a top choice for users searching “cordless angle grinder,” “battery-powered metal grinder,” or “18V grinder for cutting tile.” Customers appreciate its balance of portability, power, and safety features, especially in situations where maneuverability or lack of outlet access matters. With professional-grade durability and all the cordless benefits of Power X-Change, it’s a go-to tool for cutting and grinding without compromise.