11.6kWh-34.8kWh All-in-One Energy Storage System | 6.5kW Inverter

This all-in-one energy storage system combines 51.2V 228Ah LiFePO4 battery modules with a 6.5kW hybrid off-grid inverter. It is available in 11.6kWh, 23.2kWh, and 34.8kWh configurations. The 11.6kWh high-capacity modules reduce the number of batteries and connection cables required, making on-site installation easier.

  • Marchio: Energia Delong
  • Campione: Disponibile per il test
  • Servizio: 10 anni di garanzia
  • Supporto: OEM, ODM, OBM, personalizzato
  • Certificati: CE, UL, MSDS, IEC, UN38.3, ISO, ecc.
  • Prezzo: Fare clic sul pulsante qui sotto per ottenere un prezzo scontato.

Features of 11.6-34.8kWh 51.2V 228Ah All-in-One Energy Storage System

11.6-34.8kWh Capacity Options with a 6.5kW Inverter

All configurations use the same 6.5kW inverter. Additional battery modules can be added when more storage capacity is needed. Distributors and installers can cover projects of different sizes with one inverter model, simplifying stock management and system planning.

Configurazione della batteria System Capacity Inverter Output Recommended Application
1 × LFP51228S 11,6 kWh 6.5kW Daily solar energy storage and basic backup
2 × LFP51228S 23.2kWh 6.5kW Higher daily energy use or longer backup time
3 × LFP51228S 34.8kWh 6.5kW Frequent power outages or off-grid projects

For systems operating close to the inverter’s rated output for extended periods, or powering loads with high starting currents, two or more battery modules are recommended.

11.6kWh-34.8kWh LiFePO4 Battery with Smart BMS

Each LFP51228S battery module is rated at 51.2V 228Ah and includes a smart BMS that continuously monitors cell status and provides protection against overcharge, over-discharge, short circuits, and abnormal temperatures. With a cycle life of more than 6,500 cycles, the battery is built for long-term energy storage.

The recommended charging current is 40A, with a maximum of 100A. The recommended discharge current is 100A, with a maximum of 200A and a peak discharge current of 205A for 5 seconds. For projects involving pumps, motors, or other loads with high starting currents, the required battery configuration should be confirmed based on the load power and starting current.

Dimensions, Installation and Operating Conditions

The 11.6-34.8 kWh all-in-one system supports both stacked and wall-mounted installation, allowing installers to choose the arrangement that best fits the available space. It operates from 0°C to 55°C and has an IP21 protection rating. The system should be installed in a dry, well-ventilated indoor location with sufficient clearance for wiring and future maintenance.

Configurazione della batteria System Capacity Dimensions (W × D × H) Approx. Weight
1 × LFP51228S 11,6 kWh 483 × 260 × 982mm 108kg
2 × LFP51228S 23.2kWh 483 × 260 × 1472mm 193kg
3 × LFP51228S 34.8kWh 483 × 260 × 1962mm 278kg

6500W PV Input with Solar, Grid and Generator Support

The inverter supports up to 6500W of PV input, with an MPPT operating voltage range of 60–450VDC and a maximum PV open-circuit voltage of 500VDC.

During the day, solar power can supply your loads first while excess energy is stored in the battery. At night or when solar generation is insufficient, the battery supplies the remaining power. Grid or generator input can also be used to suit weak-grid and off-grid installations.

10ms Switching and Dual AC Output

The inverter provides 6.5kW rated output and 10kVA surge power. Its switching time of approximately 10ms allows the system to transfer quickly to battery power during a grid outage, reducing the impact of brief interruptions on essential loads.

Dual AC outputs allow essential loads to be connected separately from higher-power equipment such as air conditioners and water heaters. This makes it easier to allocate stored energy based on load priority and extend backup time for essential equipment.

Local Display, Communication and Wi-Fi Monitoring

The battery module has a 4.3-inch touchscreen, while the inverter uses a 3.5-inch LCD. Installers can check operating status, identify system alerts, and complete commissioning directly on site.

RS232, RS485, and CAN communication interfaces are provided, with an external Wi-Fi module available as an option. Through Wi-Fi monitoring, installers and end users can remotely view solar generation, battery status, and energy consumption data.

Certifications and 10-Year Warranty

The 11.6-34.8 kWh all in one series has completed CE, KC, UN38.3, and IEC 62619 certification and testing. Relevant certificates and test documents can be provided to support product approval, project tenders, and customs clearance.

The product comes with a 10-year warranty. Warranty coverage, service procedures, and required technical documents can be confirmed before ordering for different markets and projects.

Applicazioni

The system can be used for:
• Residential solar self-consumption and home backup
• Areas with unstable grids or frequent power outages
• Off-grid homes, farms, and remote sites
• Residential projects requiring longer backup time
• Backup power for shops, clinics, and small offices

OEM/ODM Services for Installers and Distributors

We provide OEM and ODM services for energy storage installers, system integrators, distributors, and private-label brands. Product appearance, branding, system configuration, and communication options can be adjusted to suit your target market and project requirements.

Share your main load types, average daily energy use, and required backup time with us, and our engineering team will help you select a suitable system configuration.

Delong Energy Lithium Battery Supplier

Delong Energy Lithium Battery Supplier

Dati tecnici

Battery Specifications
Modello LFP51228S
Tensione nominale 51.2V
Capacità nominale 228Ah
Energia della batteria 11,6 kWh
Corrente di carica Consigliato/40A; Max./100A
Corrente di scarica Recommend/100A; Max./200A;
Peak/205A(5 sec.)
Tensione di taglio di scarica 57,6V±0,2V
Tensione di taglio della carica 44,8V±0,2V
HMI Interface 4.3-inch Touch Display Screen
Inverter Specifications
Modello DL48-S6.5
Ingresso CA
Rated Input Voltage (VAC) 208 / 220 / 230 / 240; L + N + PE
Voltage Range (VAC) 90~280±3 (normal mode);

170~280±3 (UPS mode)

Frequency (Hz) 50Hz/60Hz (Auto detection)
Uscita CA
Rated Capacity (kW) 6.5
Surge Power (kVA) 10
Voltage (VAC) 208 / 220 / 230 240
Power Factor (PF) 1
Frequenza 50/60Hz±0.1%
Switch Time (ms) 10 (normal mode) / 10 (UPS mode)
Wave Form Onda sinusoidale pura
Overload Capacity (Battery Model) 1min@102%~110% load;

10s@ > 110% load

Max. Efficiency (Battery Mode) 93%@48VDC
Charger (PV / AC)
Solar Charger Type MPPT
Max PV Input Current / Input Power 27A / 6500W
Max PV Open Circuit Voltage (VDC) 500
Max PV Charge Current (A) 100
Max AC Charge Current (A) 100
Interface
HMI Interface 3.5 inch LCD
Interface RS232/RS485/CAN
Monitoring WiFi (optional/external)
All-in-one Machine Specifications
Articolo 11.6kWh + 6.5kW 23.2kWh+6.5kW 34.8kWh+6.5kW
Battery Module Model*Number LFP51228S * 1 LFP51228S*2 LFP51228S*3
Energy(kWh) 11.6 23.2 34.8
Overall size(mm) 483*260*982 483*260*1472 483*260*1962
Overall Weight(Kg) ≈108 ≈193 ≈278
General Specifications
Ingress Protection IP21
Temperatura di esercizio 0℃to 55℃,>45℃ drop runs
Relative Humidity 5% to 90% (Non-Condensing)
Temperatura di stoccaggio -10℃~55℃
Max.Operating Altitude 4000m(Derating above 1000m)

Scaricamento PDF

Datasheet – 51.2V Wall Mounted & Stackable Battery

FAQ

1. Delong Energy è una fabbrica di batterie al litio?
Delong Energy è una fabbrica di batterie con 11 anni di esperienza, che integra ricerca, sviluppo, produzione e vendita.

2. Qual è la qualità delle batterie al litio prodotte da Delong Energy?
Delong Energy dispone di un forte team di ricerca e sviluppo e di una serie di certificazioni internazionali, tra cui MSDS, UN38.3, FCC, IEC62133, CE, UL, KC, BIS, CB, ROHS e ISO9001:2015.

3. Potete realizzare un progetto OEM/ODM?
Abbiamo ingegneri che possono aiutarvi nella progettazione e nella R&S di qualsiasi prodotto correlato.

4. È possibile personalizzare il pacco batteria per ottenere più funzioni?
Sì, abbiamo un team di ingegneri professionisti in grado di fornire una soluzione eccellente per voi.

5. Avete un MOQ?
Non limitato.

6. Posso avere dei campioni da testare? E quali sono i tempi di consegna per un ordine di campioni?
Sì, possiamo fornire campioni. I tempi di consegna dei campioni sono di 3-5 giorni. Il costo del campione e le spese di spedizione sono a carico dell'acquirente.

7. Qual è il termine di pagamento?
Adottiamo T/T, Paypal, modo di pagamento Alibaba, carta di credito, Visa, Echecking, Master Card, Trade Assurance, ecc.

8. Fornite assistenza post-vendita?
Sì, la garanzia della batteria è di 10 anni. Se in questo periodo si verificano problemi di qualità da parte nostra, possiamo inviarne una nuova in sostituzione.

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