1. Introduzione
This manual provides essential information for the safe and efficient use of your DATOUBOSS 12V 300Ah Lithium LiFePO4 Battery. Please read this manual thoroughly before installation and operation to ensure optimal performance and longevity of the battery.

Image 1.1: DATOUBOSS 12V 300Ah LiFePO4 Batteries. These batteries are designed for deep cycle applications in various systems.
2. Istruzioni di sicurezza
ATTENZIONE: la mancata osservanza di queste istruzioni di sicurezza può provocare incendi, scosse elettriche, lesioni o danni alla batteria e ad altri beni.
- Non cortocircuitare the positive and negative terminals. This can cause severe damage to the battery and pose a fire hazard.
- Non modificare o smontare the battery. Unauthorized modifications can lead to malfunction and void the warranty.
- Non esporre la batteria al fuoco o all'acqua. Extreme temperatures and moisture can damage the internal components and create safety risks.
- Utilizzare sempre un caricabatterie standard che corrisponde al volume di uscitatage and chemistry of the lithium battery. Using an incompatible charger can lead to overcharging or undercharging, reducing battery life or causing damage.
- Ensure proper ventilation during charging and discharging to prevent heat buildup.
- Tenere la batteria lontano dalla portata dei bambini e degli animali domestici.
- Quando si maneggiano le batterie, indossare adeguati dispositivi di protezione individuale (DPI), come guanti e protezioni per gli occhi.

Image 2.1: Built-in BMS Protection. The battery features a 200A Battery Management System (BMS) for comprehensive safety.
3. Caratteristiche del prodotto
- Protezione BMS integrata da 200 A: Equipped with a Battery Management System that protects against high temperature, over-voltage, overload, overcharge, over-discharge, overcurrent, and short circuit.
- Elevati standard di sicurezza: Utilizes advanced battery technology with UL-tested and certified cells.
- Capacità espandibile: Supports both series and parallel connections (up to 4P4S) for a maximum of 48V (51.2V) 1200Ah Li-ion battery pack, delivering up to 61.44kWh energy.
- Prestazioni superiori: Made of automotive-grade lithium iron phosphate cells with IP65 waterproof rating, offering higher energy density and stable performance.
- Leggero e compatto: Weighs approximately 27.7kg (68lbs), which is significantly lighter and smaller than comparable lead-acid batteries, facilitating easier installation and portability.
- Ciclo di vita lungo: Designed for 15,000+ deep cycles, offering extended lifespan compared to traditional batteries.

Image 3.1: LiFePO4 vs. Lead Acid Comparison. This battery offers advantages in weight, lifespan, and cycle life over traditional lead-acid batteries.
4. Specifiche
| Parametro | Valore |
|---|---|
| Modello | Batteria DT-LiFePO4 |
| Volume Nominaletage | 12.8V |
| Capacità nominale | 300 Ah |
| Energia | 3840 Wh |
| BMS integrato | 200A |
| Corrente di carica massima | 100A |
| Corrente di scarica massima | 200A |
| Ciclo di vita | 15,000+ (Deep Cycle) |
| Peso | 27.7 kg (68 libbre) |
| Grado di impermeabilità | Grado di protezione IP65 |
| Tipo di terminale | Bulloni terminali M8 |
| Dimensioni (circa) | 50 cm (20 pollici) x 26 cm (11 pollici) x 22 cm (9 pollici) |

Image 4.1: Battery Dimensions and Key Specifications. The battery features M8 terminal bolts for secure connections.
5. Configurazione e installazione
5.1 Disimballaggio e ispezione iniziale
Upon receiving your battery, carefully unbox it and inspect for any visible damage. Ensure all components listed in the packaging are present. The package typically includes the LiFePO4 Battery and any necessary connection accessories.
Video 5.1: Unboxing and Testing (Note: This video demonstrates a 12V 100Ah LiFePO4 battery, which is similar in design but different in capacity from your 12V 300Ah model. The general unboxing and testing principles apply).
5.2 Linee guida per la connessione
- Connessioni terminali: Use the provided M8 terminal bolts to securely connect your battery to your system. Ensure all connections are tight to prevent resistance and overheating.
- Collegamento in serie: The battery supports series connection up to 4S (four batteries in series) to achieve higher voltage (e.g., 48V). When connecting in series, ensure all batteries have similar state of charge before connecting.
- Connessione parallela: The battery supports parallel connection up to 4P (four batteries in parallel) to achieve higher capacity (e.g., 1200Ah for 4P). When connecting in parallel, ensure all batteries have similar voltage prima di effettuare la connessione.
- Serie-Parallelo Combinato: Per la massima capacità e volumetage, the battery supports configurations up to 4P4S, creating a 48V (51.2V) 1200Ah system.
- Always connect the positive terminal to positive and negative to negative.
- Utilizzare cavi di calibro appropriato per la propria applicazione, in modo da gestire la corrente prevista.

Immagine 5.1: Esempio di collegamento in serie e in paralleloamples. The battery can be configured for various voltagee requisiti di capacità.

Image 5.2: Flexible Capacity Expansion. An example of a 4P4S battery system integrated into a home solar setup.
6. Istruzioni per l'uso
6.1 Ricarica
- Volume di carica consigliatotage: 14.4 V ± 0.2 V.
- Corrente di carica massima: 100A. Do not exceed this current to prevent damage to the battery and BMS.
- Intervallo di temperatura di carica: 0°C to 65°C (32°F to 149°F). Avoid charging outside this range.
- Utilizzare un caricabatterie dedicato compatibile con LiFePO4.
6.2 Scarico
- Corrente di scarica continua massima: 200A.
- Intervallo di temperatura di scarico: Da -20°C a 65°C (da -4°F a 149°F).
- The built-in BMS will protect the battery from over-discharge.

Image 6.1: Operating Temperature Range. The battery is designed to operate effectively across a wide temperature spectrum.
7. Manutenzione
- Ispezione regolare: Controllare periodicamente i terminali della batteria per verificare la presenza di corrosione o collegamenti allentati. Pulire i terminali se necessario.
- Magazzinaggio: If storing the battery for an extended period, ensure it is charged to approximately 50% State of Charge (SOC) and stored in a cool, dry place away from direct sunlight. Recharge every 3-6 months to prevent deep discharge.
- Pulizia: Use a dry cloth to clean the battery casing. Non utilizzare solventi o detergenti abrasivi.
- Evitare danni fisici: Protect the battery from impacts or punctures.
8. Risoluzione Dei Problemi
This section addresses common issues you might encounter with your LiFePO4 battery. The built-in BMS is designed to prevent most critical failures.
- Batteria non in carica:
- Controllare i collegamenti del caricabatterie e assicurarsi che il caricabatterie sia compatibile con le batterie LiFePO4.
- Verificare che il caricabatterie funzioni correttamente.
- Ensure the battery temperature is within the recommended charging range (0°C to 65°C).
- The BMS might have activated a protection mode (e.g., over-discharge). Try connecting to a compatible charger for a few minutes to reset the BMS.
- Batteria non scarica/nessuna potenza in uscita:
- Check all load connections for looseness or corrosion.
- Ensure the load is not exceeding the maximum continuous discharge current (200A). The BMS will cut off power if overloaded.
- Verificare il vol della batteriatage is above the minimum discharge voltage.
- Check if the battery temperature is within the recommended discharging range (-20°C to 65°C).
- Odore insolito o gonfiore:
- Scollegare immediatamente la batteria da tutti i carichi e caricabatterie.
- Spostare la batteria in un'area sicura e ben ventilata.
- Do not attempt to use or repair the battery. Contact the manufacturer or seller for assistance.
9. Applicazioni
The DATOUBOSS 12V 300Ah LiFePO4 battery is versatile and suitable for a wide range of applications due to its robust design and high performance:
- Recreational Vehicles (RVs) & Camppersone: Fornisce alimentazione affidabile per elettrodomestici e sistemi di bordo.
- Applicazioni marine: Ideal for boats, trolling motors, and other marine electrical needs.
- Sistemi di energia solare: Excellent for home solar battery storage and off-grid power solutions.
- Alimentazione di backup: Suitable for UPS backup systems and general home backup power.
- Veicoli elettrici: Can be used in golf carts and other low-speed electric vehicles.
- Altri usi: Lighting, fish finders, lawnmowers, and various other deep cycle applications.

Image 9.1: Diverse Applications. The battery is designed for use in RVs, camping, marine, and other off-grid scenarios.
10. Garanzia e supporto
For specific warranty details and support, please refer to the documentation provided with your purchase or contact the seller directly. Protection plans may be available for extended coverage.
Produttore: DATOUBOSS
Model Number: DT-LiFePO4 Battery
Codice prodotto: 751591223391
For further assistance, please visit the official DATOUBOSS store or contact their customer service.