Introducció
This manual provides detailed instructions for the safe and efficient use of your Xiaomi Electric Precision Screwdriver. Please read this manual thoroughly before operating the device and retain it for future reference.
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The Xiaomi Electric Precision Screwdriver is designed for intricate tasks, featuring a powerful magnetic motor, an all-metal gearbox, and a comprehensive set of S2 steel precision bits. It is ideal for disassembling and assembling small electronic devices and household appliances.
Característiques principals:
- Strong Magnetic Motor: Achieves a maximum speed of 200rpm with a concentricity of less than 0.2mm for improved efficiency.
- 24 S2 Steel Precision Bits: Includes 9 kinds of bits with hardness up to 60HRC, suitable for various electronic products.
- Long Bits for Deep Holes: 6 commonly used 45mm long bits for complex situations like deep holes and narrow spaces.
- Càrrega tipus C: Universal Type-C interface with an indicator light for low power warning and charging status.
- Bateria de liti recarregable: Built-in battery provides long service life, capable of driving over 400 precision screws on a full charge.
- Construcció duradora: Unibody aluminium alloy case with anodising process for non-slip, sweat-resistant, and rust-resistant properties.
Contingut del paquet:
- Xiaomi Electric Precision Screwdriver
- Estoig d'emmagatzematge
- 24 S2 Steel Precision Bits
- Cable de càrrega tipus C.

Image: The Xiaomi Electric Precision Screwdriver, its sleek grey aluminum alloy case, and the organized tray of 24 S2 steel precision bits.
Configuració
Càrrega del tornavís:
- Locate the Type-C charging port on the screwdriver.
- Connect the provided Type-C charging cable to the screwdriver and a compatible USB power adapter (not included).
- The indicator light near the charging port will illuminate to show charging status. A full charge is indicated when the light changes or turns off.
- Espereu aproximadament 1-2 hores per a una càrrega completa.

Imatge: Un primer pla view of the top of the screwdriver, showing the Type-C charging port and the small indicator light.
Inserting and Removing Bits:
- Open the storage case to access the precision bits.
- Select the appropriate S2 steel bit for your task.
- Gently insert the bit into the magnetic chuck of the screwdriver until it is securely seated. The magnetic design ensures the bit is held firmly in place.
- To remove a bit, simply pull it straight out from the chuck.

Image: The Xiaomi Electric Precision Screwdriver with a bit inserted, ready for use, highlighting the magnetic bit retention.
Instruccions de funcionament
Power On/Off and Direction Control:
The screwdriver features a dual-mode control for forward (screw in) and reverse (screw out) rotation.
- Premeu el botó "L" button to rotate counter-clockwise (screw out).
- Premeu el botó "R" button to rotate clockwise (screw in).
- Release the button to stop rotation.

Imatge: Una imatge detallada view of the screwdriver's body, highlighting the "L" and "R" buttons for controlling the rotation direction (screw out and screw in, respectively).
Control de parell:
The screwdriver offers two electric torque settings and a manual mode for precise control.
- Low Gear (I): 0.05 N.m for delicate tasks.
- High Gear (II): 0.2 N.m for general precision tasks.
- Mode manual: Up to 3 N.m for initial loosening or final tightening of screws. This mode is engaged by manually twisting the screwdriver when the motor is off or when more torque is required than the electric modes provide.

Image: A visual representation of the screwdriver's torque control settings, showing Low Gear (I), High Gear (II), and Manual Mode, along with their respective torque values.
Consells d'ús:
- Always select the correct bit size and type for the screw head to prevent stripping.
- Start with the low torque setting for sensitive components and increase if necessary.
- For very tight screws, use the manual mode to break them loose before switching to electric mode.
- Ensure the bit is fully engaged with the screw head before operating the screwdriver.
Manteniment
Neteja:
- Wipe the screwdriver body and case with a soft, dry cloth.
- No utilitzeu netejadors abrasius ni dissolvents, ja que poden danyar l'acabat.
- Keep the magnetic chuck free of debris to ensure proper bit retention.
Cura de les broques:
- Store bits in their designated slots within the case to prevent loss and damage.
- If bits become worn or damaged, replace them with genuine Xiaomi S2 steel precision bits.
Cura de la bateria:
- Carregueu la bateria regularment, fins i tot si no l'utilitzeu amb freqüència, per mantenir-la en bon estat.
- Eviteu descarregar completament la bateria abans de tornar-la a carregar.
- Store the screwdriver in a cool, dry place away from extreme temperatures.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El tornavís no s'engega. | La bateria està esgotada. | Carregueu el tornavís amb el cable tipus C. |
| Bit slips or strips screw head. | Incorrect bit size/type or insufficient pressure. Torque setting too high. | Ensure correct bit is used and fully engaged. Apply firm, steady pressure. Reduce torque setting. |
| Screwdriver stops during operation. | Overload protection activated or battery low. | Reduce load. Charge the battery. |
| Bits are not held securely. | Magnetic chuck is dirty or damaged. | Clean the magnetic chuck. If damaged, contact customer support. |
Especificacions
| Característica | Detall |
|---|---|
| Nom del model | Xiaomi Electric Precision Screwdriver Set |
| Número de model de l'article | BHR5474GL |
| Marca | Xiaomi |
| Color | Gris |
| Material | Electric Cordless, 24 Magnetic High Grade Steel Bit Set (Aluminium Alloy Case) |
| Estil del cap | Phillips (and other types included in 24 bits) |
| Nombre d'articles | 1 (Screwdriver + Case + Bits) |
| Dimensions de l'article (L x A x A) | 7.94 x 2.92 x 0.99 polzades |
| Pes de l'article | 2.1 unces |
| Font d'alimentació | Funciona amb bateria (necessita 1 bateria de polímer de liti) |
| Velocitat màxima | 200 rpm |
| Parell elèctric | Low: 0.05 N.m, High: 0.2 N.m |
| Parell manual | Fins a 3 Nm |
| Material de la broca | S2 Steel (Hardness up to 60HRC) |
| Interfície de càrrega | Tipus-C |
Garantia i Suport
Per obtenir informació sobre la garantia i l'atenció al client, consulteu la pàgina oficial de Xiaomi. weblloc web o poseu-vos en contacte amb el vostre centre de servei Xiaomi autoritzat local. Conserveu el rebut de compra com a comprovant de compra per a reclamacions de garantia.
You can also find additional support and product information on the official Xiaomi store page: Visit the Xiaomi Store





