1. Introducció
This manual provides essential information for the safe and effective operation of your Einhell TE-AG 18/115 Li 18V Cordless Angle Grinder. Please read all instructions carefully before use and retain this manual for future reference.
The Einhell TE-AG 18/115 Li is a lightweight and compact cordless angle grinder designed for abrasive cutting and polishing tasks. It features a robust aluminum gearbox, soft-start safeguard, and an ergonomic design for comfortable and precise control. This tool is part of the Einhell Power X-Change family, allowing for battery interchangeability with other compatible tools.
Característiques principals:
- Power X-Change System: Utilizes the versatile 18-Volt battery system compatible with all Einhell Power X-Change tools.
- Rendiment potent: Delivers smooth and consistent operation with up to 8,500 RPM.
- Seguretat millorada: Equipped with soft start and restart protection for user safety, along with overload protection for device longevity.
- Construcció duradora: Features aluminum gearing and optimized ventilation for increased service life and improved cooling.
- Manipulació ergonòmica: Includes a 3-position easy-connect auxiliary handle for customizable comfort and control.
2. Informació de seguretat
Always observe general safety regulations when using power tools. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
Advertències generals de seguretat d'eines elèctriques:
- Seguretat de l'àrea de treball: Mantingueu la zona de treball neta i ben il·luminada. Les zones desordenades o fosques conviden als accidents. No feu servir eines elèctriques en atmosferes explosives, com ara en presència de líquids, gasos o pols inflamables.
- Seguretat elèctrica: Eviteu el contacte corporal amb superfícies connectades a terra. No exposeu les eines elèctriques a la pluja ni a condicions humides.
- Seguretat personal: Porteu sempre protecció ocular. Feu servir protecció auditiva quan treballeu durant períodes prolongats. Porteu una màscara antipols si les operacions generen pols. Vestiu-vos correctament; eviteu roba ampla o joies.
- Ús i cura de l'eina: No forceu l'eina elèctrica. Feu servir l'eina elèctrica adequada per a la vostra aplicació. Desconnecteu la bateria de l'eina elèctrica abans de fer qualsevol ajust, canviar accessoris o guardar eines elèctriques.
- Ús i cura de l'eina de la bateria: Recarrega només amb el carregador especificat pel fabricant. Utilitza eines elèctriques només amb bateries específicament designades.
Specific Safety Warnings for Grinding Operations:
- This power tool is intended to function as a grinder. Read all safety warnings, instructions, illustrations, and specifications provided with this power tool.
- Always use the correct type of grinding disc for the material and application.
- Assegureu-vos que el disc estigui ben muntat i que no estigui danyat abans de cada ús.
- Never operate the tool without the guard properly installed and adjusted.
- Maintain a firm grip on the tool and position your body to resist kickback forces.
3. Components i peces
Familiarize yourself with the various parts of your Einhell TE-AG 18/115 Li angle grinder for safe and efficient operation.

Figura 1: Einhell TE-AG 18/115 Li Cordless Angle Grinder. This image shows the main body of the angle grinder, highlighting its compact design and the outline of a compatible Power X-Change battery, which is sold separately.

Figura 2: lateral view of the angle grinder. This image provides a closer look at the auxiliary handle and the disc guard, which are crucial for control and safety during operation.
- Mànec principal: Ergonomic grip for primary control.
- Nansa auxiliar: Provides additional grip and control, attachable in multiple positions.
- Botó de bloqueig de l'eix: S'utilitza per bloquejar el fus per a canvis de disc.
- Interruptor d'encesa/apagada: Activa i desactiva l'eina.
- Disc Guard: Adjustable guard for protection against sparks and debris.
- Grinding Disc/Cutting Disc (not included): The abrasive accessory for material removal.
- Battery Pack (not included): Proporciona energia a l'eina.
4. Configuració
Before operating the angle grinder, ensure proper assembly and battery installation.
4.1 Fixació de la nansa auxiliar
The auxiliary handle can be attached in three different positions (left, right, or top) to suit your working preference and application.

Figura 3: Angle grinder demonstrating the three possible positions for attaching the auxiliary handle, allowing for versatile and comfortable use.
- Screw the auxiliary handle firmly into the desired threaded opening on the gear head.
4.2 Mounting the Disc Guard
The disc guard must always be used for safety and adjusted to direct sparks away from you.
- Place the disc guard onto the collar of the gear housing.
- Rotate the guard to the desired position, ensuring it covers the top of the disc and directs sparks away from the operator.
- Apretar el clamppalanca per fixar la protecció al seu lloc.
4.3 Instal·lació/canvi de discs de mòlta
Always ensure the tool is switched off and the battery is removed before changing discs.
- Manteniu premut el botó de bloqueig de l'eix.
- Use the supplied spanner wrench to loosen and remove the clamping nou.
- Traieu el disc vell i netegeu les brides.
- Place the new disc onto the lower flange, ensuring it sits flat.
- Enrosqueu el clamping nut and tighten it firmly with the spanner wrench while holding the spindle lock button.
4.4 Instal·lació de la bateria
This tool is sold without a battery or charger. Use only Einhell Power X-Change 18V batteries.
- Assegureu-vos que la bateria estigui completament carregada.
- Slide the charged battery pack into the battery receptacle on the tool until it clicks into place.
- Per treure-la, premeu el botó d'alliberament de la bateria i feu-la lliscar cap a fora.
5. Instruccions de funcionament
Seguiu aquests passos per a un funcionament segur i eficaç de la vostra esmoladora angular.
5.1 Encesa i apagat
Vídeo 1: Demonstrating the on/off switch operation of the Einhell TE-AG 18/115 Li angle grinder. This short clip shows how to engage and disengage the tool's power.
- Per encendre: Push the On/Off switch forward and then press it down.
- Per apagar: Release the On/Off switch. If the switch is locked in the ON position, press the rear part of the switch to release it.
5.2 Tècniques de mòlta i tall
Always allow the disc to reach full speed before contacting the workpiece.

Figura 4: The angle grinder in operation, illustrating the direction of cutting and the protective function of the disc guard.
- Mòlta: Mantingueu l'eina en un angle d'aproximadament 15-30 graus respecte a la peça de treball. Apliqueu una pressió moderada i moveu l'eina uniformement per la superfície.
- Tall: Hold the tool at a 90-degree angle to the workpiece. Apply light, even pressure. Do not tilt the cutting disc, as this can cause it to jam or break.
- Assegureu-vos que la peça de treball estigui ben ferma clamped per evitar el moviment.
- Avoid overloading the tool. If the tool slows down significantly, reduce pressure.
6. Manteniment
Un manteniment regular garanteix la longevitat i el rendiment òptim de la vostra esmoladora angular.
6.1 Neteja
- Traieu sempre la bateria abans de netejar-la.
- Mantingueu netes les ranures de ventilació per evitar el sobreescalfament. Feu servir un raspall suau o aire comprimit per eliminar la pols i les restes.
- Netegeu la carcassa de l'eina amb anunciamp tela. No utilitzeu agents de neteja o dissolvents forts.
6.2 Substitució del disc
Refer to section 4.3 for detailed instructions on changing grinding discs.
6.3 Emmagatzematge
- Guardeu l'eina en un lloc sec i segur fora de l'abast dels nens.
- Traieu la bateria de l'eina abans de guardar-la.
7. Solució De Problemes
Aquesta secció tracta problemes comuns que podeu trobar amb la vostra esmoladora angular.
- L'eina no s'inicia:
- Check if the battery pack is properly inserted and charged.
- Ensure the On/Off switch is fully engaged.
- The tool may be in restart protection mode; release the switch and try again.
- Reduced power or overheating:
- Pot ser que la bateria estigui baixa; recarregueu-la.
- Clean the ventilation slots to ensure proper airflow.
- Reduce pressure on the workpiece to avoid overloading.
- Vibració excessiva:
- Check if the grinding disc is correctly mounted and tightened.
- Inspeccioneu el disc per detectar danys o desequilibris; substituïu-lo si cal.
8. Especificacions
| Característica | Especificació |
|---|---|
| Marca | Einhell |
| Número de model | TE-AG 18/115 Li |
| Font d'alimentació | Battery Powered (Einhell Power X-Change 18V) |
| Voltage | 18 Volts |
| Velocitat de rotació màxima | 8500 RPM |
| Diàmetre del disc | 4.5 polzades (115 mm) |
| Pes de l'article (només eina) | 2.27 quilograms (aproximadament 5 lliures) |
| Dimensions del producte | 12.8 x 6.9 x 5.2 polzades |
| Material | Metall (carcassa d'engranatges) |
| UPC | 810000340071 |
9. Einhell Power X-Change Ecosystem
The Einhell TE-AG 18/115 Li is part of the innovative Power X-Change battery system. This means that any 18V Power X-Change battery can be used with this angle grinder, as well as with over 200 other tools and garden equipment in the Einhell range.

Figura 5: The Einhell Power X-Change battery at the center, surrounded by a wide array of compatible tools, illustrating the versatility of the battery system.
Vídeo 2: Un acabatview of the Einhell Power X-Change system, showcasing how one battery can power multiple tools for various tasks. This video highlights the convenience and efficiency of the interchangeable battery platform.
Vídeo 3: An official video from Einhell USA LLC, demonstrating the brand's commitment to quality and innovation across its range of tools, including the Power X-Change system.
10. Garantia i Suport
Einhell products are manufactured to high-quality standards and undergo strict quality controls. In the unlikely event of a problem, please contact your retailer or the Einhell customer service department. Keep your purchase receipt as proof of purchase for warranty claims.
For detailed warranty terms and conditions, or to find contact information for customer support, please refer to the official Einhell weblloc web o la documentació inclosa amb l'embalatge del producte.





