1. Introduzione
This manual provides essential information for the safe and efficient use of your LOSSIGY 48V 105Ah LiFePO4 Lithium Battery System. Please read these instructions carefully before installation and operation to ensure optimal performance and longevity of your battery system. This system is designed for applications such as golf carts, trolling motors, and marine use.

Image 1.1: The complete LOSSIGY 48V 105Ah LiFePO4 Lithium Battery System, including the battery, smart charger, and Bluetooth LCD monitor.
2. Prodotto finitoview
2.1. Cosa c'è nella scatola?
Your LOSSIGY 48V 105Ah Lithium Battery System package includes the following components:
- LOSSIGY 48V 105Ah LiFePO4 Battery
- Caricabatterie intelligente 58.4V 18A
- Bluetooth Touch Display with Bracket
- Reinforced Straps
- Taping & Terminals (Red and Black caps, bolts)

Image 2.1: Visual representation of all items included in the LOSSIGY 48V 105Ah Lithium Battery System package.
2.2. Caratteristiche principali
- Integrated 48V System: A complete solution for 48V applications, including battery, charger, and monitoring.
- Volume automaticotage Bilanciamento: Integrated circuits maintain cell-to-cell voltage differences within 40mV during charging, enhancing durability.
- Deep Cycle Life: Achieves ≥4000 deep cycles at 80% Depth of Discharge (DOD).
- Powerful 200A BMS: Built-in Battery Management System protects against overcharging, over-discharging, overcurrent, short circuits, and extreme temperatures. Supports 200A continuous discharge and 1000A peak current (3-5 seconds).
- Dual Monitoring System: Bluetooth app connectivity and a direct-connect touchscreen display allow real-time monitoring of battery status and parameters.
- Costruzione robusta: Features high-density Grade A LiFePO4 cells, a shockproof and flame-retardant ABS casing, and an IP65 waterproof rating.

Image 2.2: An illustration detailing the internal structure and key features of the LOSSIGY battery, including the 200A BMS, IP65 waterproof design, and Bluetooth monitoring capabilities.

Image 2.3: This diagram illustrates the A-grade battery cells and the comprehensive protection features provided by the BMS, such as over-charge, over-discharge, over-current, short circuit, and low/high temperature cutoff.
3. Informazioni sulla sicurezza
Adhering to safety guidelines is crucial when handling and operating lithium batteries. Failure to follow these instructions can result in property damage, injury, or death.
- Always wear appropriate personal protective equipment (PPE), including safety glasses and insulated gloves, when working with batteries.
- Non cortocircuitare i terminali della batteria. Ciò può causare gravi danni alla batteria e rappresentare un rischio di incendio.
- Assicurarsi che tutti i collegamenti siano ben saldi e sicuri per evitare archi elettrici e surriscaldamento.
- Non smontare, forare o modificare la batteria. I componenti interni non sono riparabili dall'utente.
- Tenere la batteria lontana da fonti di calore, fiamme libere e materiali infiammabili.
- Do not immerse the battery in water or expose it to excessive moisture, despite its IP65 rating.
- Use only the provided LOSSIGY smart charger or a charger specifically designed for LiFePO4 batteries with the correct voltage e le specifiche attuali.
- In case of fire, use a Class D fire extinguisher or a large amount of water. Do not use CO2 or foam extinguishers.
- Conservare la batteria in un'area fresca, asciutta e ben ventilata.

Image 3.1: This graphic highlights the comprehensive safety features integrated into the LOSSIGY battery, including protection against over-charge, over-discharge, over-current, short-circuit, low-voltage, and high-temperature conditions.
4. Impostazione
4.1. Elenco di controllo pre-installazione
- Verificare che la batteria voltage (48V) matches your application's requirements.
- Assicurarsi che l'area di installazione sia pulita, asciutta e ben ventilata.
- Gather all necessary tools: wrenches, wire cutters/strippers, multimeter, and PPE.
- Confirm that your golf cart controller or motor system is compatible with a 48V LiFePO4 battery.
4.2. Installazione della batteria
- Rimuovere le vecchie batterie (se applicabile): Disconnect the negative terminal first, then the positive terminal of your existing battery bank. Carefully remove the old batteries.
- Position the LOSSIGY Battery: Place the LOSSIGY 48V 105Ah battery in the designated battery tray. Ensure it is stable and secure. Use the provided reinforced straps if necessary to prevent movement during operation.
- Collegare i terminali: Connect the positive (+) cable from your application (e.g., golf cart controller) to the positive (+) terminal of the LOSSIGY battery. Connect the negative (-) cable to the negative (-) terminal. Ensure connections are tight using appropriate wrenches.
- Verifica connessioni: Double-check all connections for correct polarity and tightness. Incorrect polarity can cause severe damage.
4.3. Collegamento del caricabatterie
- Collegare la spina di uscita del caricabatterie alla porta di ricarica sulla batteria.
- Plug the charger's AC input cord into a standard wall outlet (100-240V AC).
- The charger will indicate charging status (refer to charger manual for specific LED indicators).
4.4. Bluetooth Touch Display Setup
- Mount the Bluetooth touch display using the provided bracket in a convenient location.
- Connect the display cable to the designated port on the battery.
- The display should power on and show real-time battery information.
- For Bluetooth connectivity, download the LOSSIGY app from your device's app store. Follow the in-app instructions to pair with your battery.
5. Istruzioni per l'uso
5.1. Carica iniziale
Si consiglia di caricare completamente la batteria prima del primo utilizzo per garantire prestazioni ottimali e la calibrazione del BMS.
5.2. Regular Operation
- Ensure all connections are secure before operating your golf cart or marine vessel.
- Monitor battery status via the Bluetooth app or LCD display during use.
- Avoid consistently discharging the battery below 20% to prolong its lifespan, although the BMS will protect against over-discharge.
5.3. Ricarica
- Always use the provided 58.4V 18A smart charger.
- Connect the charger to the battery first, then to the AC power outlet.
- The charger will automatically stop charging when the battery is full.
- Disconnect the AC power first, then the charger from the battery when charging is complete.
5.4. Bluetooth App and LCD Monitor Usage
The Bluetooth app and LCD monitor provide real-time data on your battery's state of charge, voltage, corrente, temperatura e volume della singola cellatages. Refer to the specific instructions provided with the Bluetooth display for detailed operation and app pairing procedures.
6. Manutenzione
6.1. Pulizia
- Keep the battery terminals clean and free of corrosion. Use a dry cloth to wipe down the battery casing.
- Non utilizzare solventi o detergenti abrasivi sulla batteria.
6.2. Conservazione
- If storing the battery for an extended period, ensure it is charged to approximately 50-70% of its capacity.
- Conservare la batteria in un luogo fresco e asciutto, lontano dalla luce solare diretta e da temperature estreme.
- Periodically check the battery's state of charge during storage and recharge if necessary to prevent deep discharge.
6.3. Ispezione
- Regularly inspect the battery casing for any signs of damage, swelling, or leaks.
- Check all cables and connections for wear, fraying, or looseness.
7. Risoluzione Dei Problemi
This section addresses common issues you might encounter with your LOSSIGY 48V 105Ah Lithium Battery System.
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Batteria non in carica | Charger not connected properly; Charger malfunction; Battery BMS protection activated. | Ensure charger is securely connected to battery and AC outlet. Check charger indicator lights. If BMS is active, disconnect load and charger, wait a few minutes, then try charging again. Contact support if issue persists. |
| Nessuna potenza in uscita dalla batteria | Loose connections; BMS protection activated (over-discharge, overcurrent); Battery fully discharged. | Check all terminal connections for tightness. If BMS protection is active, remove the load and attempt to charge the battery. If fully discharged, connect to charger. |
| Bluetooth display not working or showing incorrect data | Loose display cable; Display malfunction; App not connected. | Ensure the display cable is securely connected to the battery. Restart the display by disconnecting and reconnecting. For app issues, ensure Bluetooth is enabled on your device and the app is properly paired. |
| Portata o prestazioni ridotte | Battery not fully charged; High power draw; Environmental factors (temperature). | Ensure battery is fully charged before use. Reduce heavy loads if possible. Performance may be affected by extreme cold or hot temperatures. |
8. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Tipo di batteria | LiFePO4 (fosfato di ferro e litio) |
| Volume Nominaletage | 48V |
| Capacità nominale | 105 Ah |
| Energia | 5376 Wh |
| Corrente di scarica continua BMS | 200A |
| Corrente di scarica di picco | 1000A (3-5 seconds) |
| Ciclo di vita | ≥4000 cycles @ 80% DOD |
| Volume del caricatoretage | 58.4V |
| Corrente del caricatore | 18A |
| Grado di impermeabilità | Grado di protezione IP65 |
| Monitoraggio | Bluetooth App & LCD Monitor |
| Numero di modello | 48105-1 |
| Codice UPC | 757158493917 |
9. Garanzia e supporto
9.1. Informazioni sulla garanzia
LOSSIGY offers a 5-year warranty for this 48V 105Ah LiFePO4 Lithium Battery System. This warranty covers defects in materials and workmanship under normal use and service conditions.
9.2. Supporto tecnico
For technical assistance, troubleshooting not covered in this manual, or warranty claims, please contact LOSSIGY customer support. Professional technical support is available 24/7.
For more information or to contact support, please visit the official LOSSIGY store on Amazon: LOSSIGY Amazon Store