Introducció
Thank you for choosing the WORKPRO 20V 4.0Ah Lithium-Ion Battery. This battery is designed to provide reliable power for your WORKPRO 20V cordless power tools. This manual provides essential information for the safe and efficient use, maintenance, and troubleshooting of your battery.
Informació de seguretat
Always observe the following safety precautions when using, charging, or storing your battery:
- Use only with compatible WORKPRO 20V chargers and tools.
- No exposeu la bateria a l'aigua, la humitat ni a temperatures extremes.
- Eviteu curtcircuitar els terminals de la bateria.
- Do not attempt to disassemble, open, or service the battery pack.
- Protect against incorrect voltage, overcharge, and internal overheating. The battery features built-in protection functions.
- Guardeu la bateria en un lloc fresc i sec, lluny de la llum solar directa i de les fonts de calor.
- Desfeu-vos de les piles de manera responsable d'acord amb la normativa local. No les llenceu a les escombraries domèstiques.
Producte acabatview
The WORKPRO 20V 4.0Ah Lithium-Ion Battery is a high-quality, rechargeable power source for your cordless tools. It weighs approximately 700g and contains 10 individual 3.7V 18650-4000mAh Lithium-ion cells.

Una part frontal view of the WORKPRO 20V 4.0Ah Lithium-Ion Battery, showcasing its compact design and power indicator lights.

An exploded diagram illustrating the internal components of the WORKPRO 20V 4.0Ah Lithium-Ion Battery, including individual battery cells and circuit board.
Indicador d'alimentació
The battery is equipped with 4 LED indicator lights that show the real-time charge status. Simply press the power indicator button to check the remaining battery life.

Un primer pla view of a finger pressing the power indicator button on the WORKPRO 20V 4.0Ah Lithium-Ion Battery, showing the illuminated charge status lights.
Configuració i instal·lació
To install or remove the battery from your WORKPRO 20V cordless tool:
- Ensure the tool is turned off and disconnected from any power source.
- Alineeu la bateria amb la ranura de la bateria de l'eina.
- Press the release button (if applicable) on the battery or tool, and slide the battery firmly into place until it clicks.
- Per treure-la, premeu el botó d'alliberament i feu lliscar la bateria cap a fora.

An image demonstrating the process of installing or removing the WORKPRO 20V 4.0Ah Lithium-Ion Battery from a compatible power tool by pressing the release button.
Compatibilitat
This battery is exclusively compatible with the WORKPRO 20V cordless power tool series, including but not limited to:
- Trepans
- Controladors d'impacte
- Claus d'impacte
- Esmoladores angulars
- Serres alternants
- Retalladores Hedge
- Serres de pal
- And other WORKPRO 20V tools (e.g., W004578AU, W122039AU, W125049AU, W125062AU, W159007AU, W159009AU).

The WORKPRO 20V 4.0Ah Lithium-Ion Battery centrally placed, surrounded by various compatible WORKPRO 20V cordless power tools such as drills, impact drivers, and hedge trimmers, illustrating its versatility.
Instruccions de funcionament
Carregant la bateria
To charge your WORKPRO 20V 4.0Ah Lithium-Ion Battery:
- Ensure you are using an official WORKPRO 20V battery charger.
- Connecteu el carregador a una presa de corrent adequada.
- Slide the battery onto the charger until it is securely seated.
- Els indicadors lluminosos del carregador mostraran l'estat de càrrega. Consulteu el manual del carregador per conèixer els patrons d'il·luminació específics.
- Once fully charged, remove the battery from the charger. Do not leave the battery on the charger for extended periods after it is fully charged.
The battery has no memory effect, allowing it to be charged freely without needing to be fully discharged first.
Manteniment i emmagatzematge
Proper maintenance and storage will extend the life of your battery:
- Neteja: Keep the battery terminals clean and free of debris. Use a dry cloth to wipe the battery exterior.
- Emmagatzematge: For long-term storage, store the battery in a cool, dry place, ideally at room temperature (20-25°C or 68-77°F). Store the battery with a partial charge (around 50%) rather than fully charged or fully discharged.
- Temperatura: Avoid storing or operating the battery in extreme hot or cold conditions.
- Ús habitual: If storing for extended periods, it is recommended to charge the battery to about 50% every 3-6 months to prevent deep discharge.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La bateria no es carrega |
|
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| La bateria no alimenta l'eina |
|
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| Power indicator lights not working |
|
|
Especificacions
| Característica | Detall |
|---|---|
| Marca | WORKPRO |
| Número de model | W126054 |
| Tipus de bateria | Ió de liti |
| Voltage | 20 Volts |
| Capacitat | 4.0 Amp-hours (4000mAh) |
| Nombre de cel·les | 10 (3.7V 18650 cells) |
| Pes | 700 grams |
| Reutilitzabilitat | Recarregable |
| Ús recomanat | Power tool battery |
| Fabricant | Hang Zhou Great Star Industrial Co.,LTD |
| País d'origen | Xina |
Garantia i Suport
For warranty information or technical support, please refer to the documentation included with your original purchase or contact WORKPRO customer service directly. Keep your purchase receipt as proof of purchase.
For further assistance, you may visit the official WORKPRO weblloc web o contacteu amb els seus canals d'atenció al client.





