1. Úvod
This manual provides detailed instructions for the safe and effective use of the Wendry HW-391 2S Lithium Battery Protection Board. This board is designed to protect 2-series (2S) lithium-ion battery packs from overcharge, over-discharge, and overcurrent conditions. It is intended for use with two 4.2V cells connected in series.
2. Konec produktuview
The HW-391 protection board is built with high-quality materials to ensure durability and reliable performance. It features a professional chipset for stable operation.
- Nabíjecí svtage: DC 8.4-9V
- Trvalý vybíjecí proud: 20A (Note: Reduce load current if heat dissipation is poor.)
- Continuous Charging Current: 10A
- Ochranné vlastnosti: Přepětítage, podpaltage a nadproudovou ochranu.
- Design: Precise cuts and interfaces for easy installation and secure fit.
Obrázek 2.1: Nahoře view of the HW-391 board, highlighting its robust construction.
Obrázek 2.2: Detailní view of the board's electronic components and voltage značení.
3. Specifikace
| Parametr | Hodnota |
|---|---|
| Model produktu | HW-391 |
| Nabíjecí svtage | DC 8.4-9V |
| Trvalý vybíjecí proud | 20A |
| Trvalý nabíjecí proud | 10A |
| Typ položky | Ochranná deska baterie |
| Velikost produktu (D x Š x V) | Přibližně 5 x 2 x 0.2 cm (2.0 x 0.8 x 0.1 palce) |
| Vstupní objemtage | 9 voltů |
| Výstupní objemtage | 9 voltů |
4. Nastavení a instalace
The HW-391 board is designed for 2-series (2S) lithium-ion battery configurations. Proper wiring is crucial for safe operation. This board provides basic protection and does ne include charging management, cell balancing, or temperature monitoring.
4.1 Schéma zapojení a připojení
Follow these steps for connecting the battery cells and output:
- Battery Series Connection: Connect two 4.2V lithium-ion cells in series. Ensure the positive terminal of Cell 1 is connected to the negative terminal of Cell 2. The configuration should be: +[Cell 1]- +[Cell 2]-.
- 0V Pad Connection: Připojte 0V pad on the protection board to the ZÁPORNÝ (-) terminal of Cell 2.
- 4.2V Pad Connection: Připojte 4.2V pad on the protection board to the KŘIŽOVATKA point between Cell 1's negative terminal and Cell 2's positive terminal.
- 8.4V Pad Connection: Připojte 8.4V pad on the protection board to the POZITIVNÍ (+) terminal of Cell 1.
- Výstupní připojení: Connect your load or charger to the + a - output pads on the board.
Figure 4.1: Connection points on the HW-391 board.
Důležité: Always double-check your wiring before applying power to prevent damage to the board or batteries. Incorrect wiring can lead to short circuits, overheating, or fire.
5. Návod k obsluze
Once properly installed, the HW-391 board operates automatically to provide protection for your 2S lithium battery pack.
- Nabíjení: Connect a DC 8.4-9V charger to the output terminals. The board will allow charging up to 10A. It will cut off charging if the voltage exceeds the overcharge protection threshold.
- Vybíjení: Connect your load to the output terminals. The board will allow discharge up to 20A. It will cut off discharge if the voltage drops below the over-discharge protection threshold.
- Nadproudová ochrana: The board will interrupt the circuit if the discharge current exceeds 20A to protect the batteries and the board itself.
The board's protection functions are designed to prolong the lifespan of your lithium batteries by preventing them from operating outside their safe voltage a aktuální limity.
6. Údržba
The HW-391 battery protection board requires minimal maintenance. Adhere to the following guidelines:
- Udržujte v čistotě: Ensure the board is free from dust, dirt, and moisture. Use a soft, dry brush or cloth for cleaning if necessary.
- Podmínky prostředí: Operate the board within its specified temperature and humidity ranges. Avoid extreme heat, cold, or damp prostředí.
- Fyzická kontrola: Periodically inspect the board for any signs of physical damage, loose connections, or discoloration.
- Odvod tepla: If operating at high continuous discharge currents (close to 20A), ensure adequate airflow around the board to prevent overheating. Consider reducing the load current if the board becomes excessively hot.
7. Řešení problémů
If you encounter issues with the HW-391 board, consider the following common problems and solutions:
| Problém | Možná příčina / řešení |
|---|---|
| Žádný výstupní výkon. |
|
| Baterie se nenabíjejí. |
|
| Board becomes excessively hot. |
|
| Unexpected power cut-off. |
|
Poznámka: This board provides basic protection. It does not perform cell balancing. Ensure your 2S battery pack is balanced externally if required for your application.
8. Bezpečnostní informace
Read and understand all safety precautions before installing or operating the HW-391 protection board.
- Elektrické nebezpečí: This product involves electrical components. Improper handling can result in electric shock.
- Bezpečnost baterie: Always use appropriate lithium-ion batteries and handle them with care. Do not short-circuit batteries.
- Správný svtage: Zajistěte vstupní a výstupní hlasitosttages are within the specified range (DC 8.4-9V).
- Polarita: Observe correct polarity for all connections. Incorrect polarity can damage the board and batteries.
- Větrání: Ensure adequate ventilation, especially when operating at high currents, to prevent overheating.
- Profesionální instalace: If you are unsure about any aspect of installation, seek assistance from a qualified professional.
- Děti a domácí mazlíčci: Uchovávejte výrobek mimo dosah dětí a domácích zvířat.
9. Záruka a podpora
For warranty information or technical support regarding your Wendry HW-391 2S Lithium Battery Protection Board, please refer to the retailer's return policy or contact Wendry customer service through their official channels. Please have your product model number (HW-391) and purchase details ready when contacting support.