1. ആമുഖം
This manual provides essential information for the proper installation, operation, and maintenance of your LiebeWH 5S Li-ion Battery Protection Board. This board is designed to manage and protect 5 series Li-ion battery cells, commonly used in electric power tools and other applications requiring 18.5V (nominal) to 21V (full charge) battery packs with a maximum discharge current of 15A. It integrates critical protection features to ensure battery longevity and safe operation.
2 സുരക്ഷാ വിവരങ്ങൾ
- Always handle Li-ion batteries with extreme care. Incorrect handling can lead to fire, explosion, or severe injury.
- Ensure all connections are correct before applying power. Reverse polarity can damage the protection board and batteries.
- Do not exceed the specified maximum discharge current of 15A.
- Use appropriate wiring gauges for the current draw to prevent overheating.
- ഈർപ്പം, പൊടി, കടുത്ത താപനില എന്നിവയിൽ നിന്ന് ബോർഡ് അകറ്റി നിർത്തുക.
- Installation should be performed by individuals familiar with electronics and battery systems.
- Do not attempt to modify or repair the protection board.
3. ഉൽപ്പന്നം കഴിഞ്ഞുview
The LiebeWH 5S Li-ion Battery Protection Board is a Battery Management System (BMS) designed for 5-series lithium-ion battery packs. It provides essential protection functions to safeguard your battery cells.

Figure 1: The protection board supports overcharge, over-discharge, and short circuit protection.
പ്രധാന സവിശേഷതകൾ:
- ഓവർചാർജ് പരിരക്ഷണം: Prevents individual battery cells from being charged beyond their safe voltagഇ പരിധി.
- അമിത ഡിസ്ചാർജ് സംരക്ഷണം: Stops discharge when cells reach their minimum safe voltage, preventing damage.
- ഷോർട്ട് സർക്യൂട്ട് സംരക്ഷണം: Automatically cuts off power in case of a short circuit to prevent damage and fire.
- സ്ഥിരതയുള്ള പ്രകടനം: Provides reliable protection for 5S battery configurations.
- Integrated Charging/Discharging: The charging and discharging connectors are shared, simplifying wiring.

ചിത്രം 2: മുകളിൽ view of the LiebeWH 5S Li-ion Battery Protection Board.

ചിത്രം 3: താഴെ view of the LiebeWH 5S Li-ion Battery Protection Board.
4 സ്പെസിഫിക്കേഷനുകൾ
| ഫീച്ചർ | സ്പെസിഫിക്കേഷൻ |
|---|---|
| മോഡൽ നമ്പർ | LiebeWHsknqe1d04g |
| ബാറ്ററി തരം | 5S Li-ion (Lithium-ion) |
| നാമമാത്ര വോളിയംtage | 18.5V |
| ഫുൾ ചാർജ് വോളിയംtage | 21V |
| പരമാവധി ഡിസ്ചാർജ് കറൻ്റ് | 15എ |
| സംരക്ഷണ സവിശേഷതകൾ | Overcharge, Over-discharge, Short Circuit |
| Charging/Discharging Port | പങ്കിട്ടു |
| നിർമ്മാതാവ് | LiebeWH |
5. സജ്ജീകരണവും ഇൻസ്റ്റാളേഷനും
Careful wiring is crucial for the correct function and safety of the battery pack. Refer to the diagram below for connection points.

Figure 4: Connection points on the LiebeWH 5S Li-ion Battery Protection Board.
- ബാറ്ററികൾ തയ്യാറാക്കുക: Ensure your 5 Li-ion cells are balanced in voltage before connecting them to the BMS.
- കണക്ഷൻ പോയിന്റുകൾ തിരിച്ചറിയുക: The board has specific pads for battery connections (B-, B1, B2, B3, B4, B+) and main power connections (P-, P+).
- ബി-: Connect to the negative terminal of the first battery cell (Cell 1 negative).
- B1: Connect to the positive terminal of Cell 1 and the negative terminal of Cell 2.
- B2: Connect to the positive terminal of Cell 2 and the negative terminal of Cell 3.
- B3: Connect to the positive terminal of Cell 3 and the negative terminal of Cell 4.
- B4: Connect to the positive terminal of Cell 4 and the negative terminal of Cell 5.
- B+: Connect to the positive terminal of the fifth battery cell (Cell 5 positive). This is the main positive terminal for the battery pack.
- പി-: This is the main negative output/input terminal for the load/charger.
- P+: This is the main positive output/input terminal for the load/charger. This should be connected to B+.
- വയറിംഗ് ക്രമം: Connect the balance wires (B-, B1, B2, B3, B4, B+) in sequence from the lowest voltage point to the highest. Then connect the main discharge/charge wires (P- and P+).
- കണക്ഷനുകൾ പരിശോധിക്കുക: Double-check all connections for correct polarity and secure soldering. Incorrect wiring can lead to immediate damage.
- Insulate: After installation, ensure all exposed connections are properly insulated to prevent short circuits.
6. പ്രവർത്തന നിർദ്ദേശങ്ങൾ
Once properly installed, the LiebeWH 5S Li-ion Battery Protection Board operates automatically to manage your battery pack. It continuously monitors the voltage of each cell and the overall current flow.
- ചാർജിംഗ്: Connect your 21V Li-ion charger to the P+ and P- terminals. The board will manage the charging process, preventing overcharge of individual cells.
- ഡിസ്ചാർജ് ചെയ്യുന്നു: Connect your electric power tool or other load to the P+ and P- terminals. The board will allow discharge up to 15A and will cut off power if any cell reaches its over-discharge threshold.
- സംരക്ഷണം സജീവമാക്കൽ: If an overcharge, over-discharge, or short circuit event occurs, the board will temporarily cut off power to protect the battery. Normal operation should resume once the fault condition is removed. For over-discharge, a charger connection may be required to reset the protection.
7. പരിപാലനം
The LiebeWH 5S Li-ion Battery Protection Board is designed for low maintenance. However, following these guidelines can help ensure its longevity:
- വൃത്തിയായി സൂക്ഷിക്കു: Periodically inspect the board for dust or debris and gently clean with a soft, dry brush if necessary.
- ഈർപ്പം ഒഴിവാക്കുക: Ensure the board remains dry. Moisture can cause corrosion and short circuits.
- താപനില നിയന്ത്രണം: Operate the battery pack and BMS within recommended temperature ranges. Extreme heat or cold can affect performance and lifespan.
- കണക്ഷനുകൾ പരിശോധിക്കുക: Occasionally check that all soldered connections remain secure and free from corrosion.
8. പ്രശ്നപരിഹാരം
If you encounter issues with your battery pack or protection board, consider the following:
| പ്രശ്നം | സാധ്യമായ കാരണം | പരിഹാരം |
|---|---|---|
| ഔട്ട്പുട്ട് പവർ ഇല്ല | Over-discharge protection activated | Connect a charger to reset the protection. Check individual cell voltages. |
| ബാറ്ററി ചാർജ് ചെയ്യുന്നില്ല | Overcharge protection activated (if cells are already full) or charger issue | Verify charger functionality. Check individual cell voltages. |
| Board gets hot | Excessive current draw or short circuit | Reduce load. Check for short circuits in wiring or load. Ensure proper ventilation. |
| സ്ഥിരതയില്ലാത്ത പ്രകടനം | Unbalanced cells or poor connections | Ensure cells are balanced. Re-check all wiring connections. |
If problems persist, consult a qualified technician or contact LiebeWH customer support.
9. വാറൻ്റിയും പിന്തുണയും
Specific warranty details for the LiebeWH 5S Li-ion Battery Protection Board are not provided in this manual. For warranty claims or technical support, please refer to the retailer where the product was purchased or visit the official LiebeWH webബന്ധപ്പെടാനുള്ള വിവരങ്ങൾക്കുള്ള സൈറ്റ്.
നിർമ്മാതാവ്: LiebeWH
മോഡൽ നമ്പർ: LiebeWHsknqe1d04g