Electronic Spices FHJY
Electronic Spices 4S 20A 14.8V 18650 Li-ion Lithium Battery Protection and Charger BMS Module User Manual
Model: FHJY
1. Einleitung
This manual provides essential information for the safe and effective use of the Electronic Spices 4S 20A 14.8V 18650 Li-ion Lithium Battery Protection and Charger BMS Module. This module is designed to manage and protect 4-series (4S) Li-ion battery packs, ensuring their longevity and safe operation. Please read this manual thoroughly before installation and operation.

Abbildung 1: Vorderseite view of the Electronic Spices 4S 20A BMS Module, showing components and connection points.
2. Hauptmerkmale
The Electronic Spices 4S 20A BMS Module offers the following protective and management features:
- Ladevolumentage: Gleichstrom 14.8 V
- Stromverbrauch: 20 A
- Überladeerkennung Voltage: 3.90 V ± 0.25 V pro Zelle
- Überladefreigabe Voltage: 3.80 V ± 0.05 V pro Zelle
- Überentladungserkennung Voltage Reichweite: 2.0 V ± 0.08 V pro Zelle
- Kurzschlussschutz: Automatically disconnects output in case of a short circuit.
- Überstromschutz: Verhindert Schäden durch übermäßige Stromaufnahme.
- Zellausgleich: Helps maintain equal voltage across all cells in the pack for optimal performance.
3. Aufbau und Verkabelung
Proper wiring is crucial for the safe and correct operation of the BMS module. Refer to the diagram below for connection details. Always ensure power is disconnected before making any connections.
- Connect B- to the negative terminal of the first battery cell (B1-).
- Connect B1 to the positive terminal of the first cell and the negative terminal of the second cell.
- Connect B2 to the positive terminal of the second cell and the negative terminal of the third cell.
- Connect B3 to the positive terminal of the third cell and the negative terminal of the fourth cell.
- Connect B+ to the positive terminal of the fourth battery cell (B4+).
- Connect P- to the negative terminal of your load/charger.
- Connect P+ to the positive terminal of your load/charger.
Notiz: Ensure all connections are secure and insulated to prevent short circuits. Incorrect wiring can damage the BMS, batteries, or connected devices.

Abbildung 2: Oben view of the BMS module, illustrating the various connection pads for battery cells and power output.

Abbildung 3: Unten view of the BMS module, showing voltage markings and model number HX-4S-A20 REV 1.1.
4. Bedienungsanleitung
Once properly wired, the BMS module will automatically manage the charging and discharging of your 4S Li-ion battery pack. It provides protection against common battery issues.
- Laden: Connect a compatible 14.8V (or slightly higher, up to 16.8V for full charge) Li-ion charger to the P+ and P- terminals. The BMS will manage the charging process, preventing overcharge.
- Entladen: Connect your load to the P+ and P- terminals. The BMS will monitor the discharge, preventing over-discharge and overcurrent.
- Schutzaktivierung: If any protection threshold (overcharge, over-discharge, overcurrent, short circuit) is met, the BMS will temporarily cut off the output to protect the batteries.
- Erholung: Most protection states will automatically reset once the fault condition is removed (e.g., removing the short circuit, connecting a charger after over-discharge).
5. Wartung
The Electronic Spices BMS module is designed for low maintenance. However, following these guidelines can help ensure optimal performance and longevity:
- Regelmäßige Inspektion: Periodically check all wiring connections for looseness or corrosion.
- Sauberkeit: Halten Sie das Modul frei von Staub, Schmutz und Feuchtigkeit. Verwenden Sie zum Reinigen ein weiches, trockenes Tuch.
- Umgebungsbedingungen: Operate the module within its specified temperature and humidity ranges. Avoid extreme temperatures.
- Batteriezustand: Ensure the individual 18650 cells used with the BMS are in good condition and are of similar capacity and internal resistance for best performance.
6. Fehlerbehebung
Sollten Sie Probleme mit Ihrem BMS-Modul haben, beachten Sie bitte die folgenden Schritte zur Fehlerbehebung:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Keine Ausgangslautstärketage from P+ and P- |
|
|
| BMS gets hot during operation |
|
|
| Batteries not charging fully |
|
|
7. Spezifikationen
Detailed technical specifications for the Electronic Spices 4S 20A 14.8V 18650 Li-ion Lithium Battery Protection and Charger BMS Module:
- Marke: Elektronische Gewürze
- Modellnummer: FHJY
- Akku-Typ: 4S Li-ion (18650 cells recommended)
- Nennvolumentage: 14.8V (for 4S Li-ion)
- Ladevolumentage: DC 14.8V (up to 16.8V for full charge)
- Maximaler Dauerentladestrom: 20 A
- Überladeerkennung Voltage: 3.90V ± 0.25V
- Überladefreigabe Voltage: 3.80V ± 0.05V
- Überentladungserkennung Voltage: 2.0V ± 0.08V
- Kurzschlussschutz: Ja
- Überstromschutz: Ja
- Abmessungen: Ungefähr 13 x 13 x 8 cm (verpackt)
- Artikelgewicht: 200 g (verpackt)
- Ursprungsland: Indien
Notiz: The physical dimensions and weight provided are for the packaged product. The module itself is compact.
8. Produktüberschreitungview Video
Sehen Sie sich dieses Video an, um einen visuellen Überblick zu erhalten.view of the Electronic Spices BMS Module, demonstrating its physical characteristics and potential applications.
Video 1: Ein kurzer Überblickview of the Electronic Spices BMS Module, highlighting its compact design and key features for battery management.
9. Garantie und Support
Specific warranty information for this product is not provided in the available documentation. For technical support or warranty inquiries, please contact Electronic Spices directly through their official channels or the retailer from whom the product was purchased.
Kontaktdaten des Herstellers:
Elektronische GewürzeMain, Ismailpur Rd, near Gyan Mandir Chowk, F- Block, Jaitpur, New Delhi, Haryana 110044
Telefon: 8929992403
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