1. Introducció
This manual provides essential information for the safe and efficient use of your Nedis Rechargeable Lead Acid Battery (Model BALA900012V). Please read these instructions carefully before installation and operation to ensure optimal performance and longevity of the battery.

Image 1.1: Nedis 12V 9000mAh Rechargeable Lead Acid Battery in a workshop environment, showcasing el seu disseny compacte.
2. Instruccions de seguretat
Observeu sempre les precaucions de seguretat següents per evitar lesions o danys a la bateria i als equips connectats:
- NO CURTCIRCUITS: Avoid connecting the positive and negative terminals directly, as this can cause severe damage to the battery, fire, or explosion.
- Use only compatible chargers designed for lead-acid batteries with the specified voltage i corrent.
- No exposeu la bateria a temperatures extremes, llum solar directa o foc.
- Mantingueu la bateria allunyada de l'aigua i la humitat.
- Do not attempt to open or disassemble the battery. It contains corrosive substances.
- In case of contact with battery acid, immediately flush the affected area with plenty of water and seek medical attention.
- Mantenir fora de l'abast dels nens.
- Ensure proper ventilation when charging to prevent accumulation of gases.
- RECHARGE AFTER USE: To maintain battery health and extend its lifespan, recharge the battery promptly after each use.
3. Producte acabatview
The Nedis BALA900012V is a 12V, 9000mAh (9Ah) rechargeable sealed lead-acid battery designed for various applications requiring reliable power. Its robust construction ensures durability and consistent performance.

Imatge 3.1: Detallada view of the battery label, displaying model number BALA900012V and constant voltage charge parameters.
Característiques principals:
- Voltage: 12 Volts
- Capacitat: 9000 mAh (9 Ah)
- Composició de la bateria: Àcid de plom
- Reutilitzabilitat: Recarregable
- Número de model: BALA900012V
- Designed for reliable power supply in various electronic tools and devices.
4. Configuració i instal·lació
Before connecting the battery, ensure that the device it will power is compatible with a 12V lead-acid battery and that the current requirements do not exceed the battery's capabilities.
- Inspeccioneu la bateria: Visually check the battery for any signs of damage, leaks, or corrosion on the terminals. Do not use a damaged battery.
- Identificar terminals: Locate the positive (+) and negative (-) terminals on the battery. The positive terminal is typically marked with a plus sign and is often red, while the negative terminal is marked with a minus sign and is often black.
- Connecta't al dispositiu: Connect the positive terminal of the battery to the positive input of your device. Connect the negative terminal of the battery to the negative input of your device. Ensure connections are secure and tight to prevent arcing or poor performance.
- Càrrec inicial: For optimal performance, it is recommended to fully charge the battery before its first use. Refer to the "Operating Instructions" section for charging details.

Imatge 4.1: Part superior view of the battery clearly showing the positive and negative terminals for correct connection.
5. Instruccions de funcionament
Càrrega de la bateria:
Use a charger specifically designed for 12V lead-acid batteries. The battery label provides critical charging parameters:
- Vol. Constanttage Càrrec:
- Ús del cicle: 14.40 - 15.00 V
- Standby Use: 13.50 - 13.80 V
- Corrent inicial: Menys d'2.70 A
- RECHARGE AFTER USE: Always recharge the battery immediately after it has been discharged to prevent sulfation and prolong its life.
- Do not overcharge the battery, as this can reduce its lifespan and potentially cause damage.
- Ensure the charger's output voltage matches the battery's requirements.

Imatge 5.1: Anglesa view of the battery, highlighting its robust casing and terminal design.
Descàrrega de la bateria:
- Avoid deep discharges. While lead-acid batteries can tolerate deep discharges, frequent deep cycling can shorten their lifespan.
- Monitora el voltage of the battery if your application allows. Do not allow the battery voltage to drop below 10.5V under load.
6. Manteniment
Proper maintenance ensures the longevity and reliability of your Nedis battery:
- Càrrega regular: Always recharge the battery after use. If stored for extended periods, recharge it every 3-6 months to prevent self-discharge and sulfation.
- Neteja els terminals: Keep the battery terminals clean and free from corrosion. Use a wire brush if necessary and apply a thin layer of petroleum jelly to prevent future corrosion.
- Emmagatzematge: Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure it is fully charged before storage.
- Inspecció física: Periodically inspect the battery casing for any cracks, bulges, or leaks. Discontinue use immediately if any damage is observed.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La bateria no es carrega |
|
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| Temps de funcionament curt |
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| Battery overheating during charge/discharge |
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8. Especificacions
| Característica | Detall |
|---|---|
| Marca | NEDIS |
| Número de model | BALA900012V |
| Composició de la bateria | Àcid de plom |
| Voltage | 12 Volts |
| Capacitat | 9000 mAh (9 Ah) |
| Reutilitzabilitat | Recarregable |
| Pes | 2.34 quilos |
| País d'origen | Xina |

Imatge 8.1: posterior view of the battery, showing branding, model information, and regulatory marks.
9. Informació d'eliminació
This product contains a lead-acid battery. Do not dispose of the battery with general household waste. Lead-acid batteries are recyclable and should be disposed of at designated collection points or recycling facilities in accordance with local regulations. Proper disposal helps prevent potential negative consequences for the environment and human health.
10. Garantia i Suport
Per obtenir informació sobre la garantia, assistència tècnica o consultes sobre el servei tècnic, consulteu la documentació que s'inclou amb la compra o poseu-vos en contacte amb el vostre distribuïdor. Conserveu el comprovant de compra per a reclamacions de garantia.





