10.24kWh–20.48 kWh All-in-One Energy Storage System | 6.5kW Inverter
Delong’s 51.2V 6.5kW all-in-one energy storage system combines LiFePO4 battery storage with a hybrid off-grid inverter in one modular solution. Available in 10.24kWh, 15.36kWh, and 20.48kWh configurations, the system supports both stacked and wall-mounted installation for residential energy storage, small commercial applications, and off-grid power systems.
- 51.2V 100Ah All-in-one ESS
- 51.2V 200Ah All-in-one ESS (EU-Lagerbestand)
- 51.2V 228Ah All-in-one ESS (EU-Lagerbestand)
- 51.2V 300Ah All-in-one ESS (EU-Lagerbestand)
- 51.2V 314Ah All-in-one ESS (EU-Lagerbestand)
- Marke: Delong Energie
- Muster: Zum Test verfügbar
- Service: 10 Jahre Garantie
- Unterstützung: OEM, ODM, OBM, kundenspezifisch
- Bescheinigungen: CE, UL, MSDS, IEC, UN38.3, ISO, usw.
Preis: Klicken Sie auf die Schaltfläche unten, um einen Rabatt Preis zu erhalten.
Features of 6.5kW All-in-One Energy Storage System 51.2V 100Ah
Flexible Modular Configuration
You can configure the system with 2–4 battery modules to match your project requirements, with capacities ranging from 10.24kWh to 20.48kWh.
- 2 modules: 10.24kWh
- 3 modules: 15.36kWh
- 4 modules: 20.48kWh

Easy Installation & Wiring
The battery modules use a plug-in connection design, allowing them to connect directly without complex wiring between modules. Side-mounted ports provide easy access for external cables, while built-in handles make the modules easier to move and install on site.

Integrated 6.5kW Hybrid Inverter
The system integrates a 6.5kW hybrid inverter with up to 6500W of PV input and a PV input voltage range of 60–500VDC. With a peak output of 10kVA, it can handle the startup power requirements of loads such as air conditioners and water pumps. Dual AC outputs allow essential and non-essential loads to be managed separately, while a 10ms UPS transfer time provides fast backup power during grid outages.
Grade-A LiFePO4 Cells & Smart BMS Protection
The battery uses Grade-A LiFePO4 cells with a cycle life of 6,500+ cycles and a design life of over 10 years, helping reduce replacement frequency and long-term operating costs. Each battery module is equipped with an independent BMS that continuously monitors voltage, current, and temperature and provides protection against overcharge, over-discharge, overcurrent, short circuits, and abnormal temperatures. A 3.5-inch LCD screen allows installers to view operating data and adjust system settings for easier installation, commissioning, and maintenance.

CAN/RS485 Communication & Remote Monitoring
The system is equipped with CAN, RS485, and RS232 communication interfaces, along with built-in Wi-Fi. Users and service teams can view operating data, monitor system status, and perform remote diagnostics via an app or web platform.
Anwendungen
- Heimspeicher-Systeme: Keeps essential household loads such as refrigerators, lighting, air conditioners, and communication equipment running during grid outages.
- Small Commercial & Workshop Applications: Supports daily energy use and backup power needs for shops, offices, farms, and small workshops.
- Off-Grid & Remote Areas: Works with solar PV and generators to provide independent power where grid access is unavailable or unreliable.
Certifications & Documentation
Delong provides relevant certifications and documentation for this 6.5kW all-in-one energy storage system, including CE, IEC, KC, MSDS, and UN38.3, to support transportation, installation, and compliance requirements in different markets.

Lithium-Batterie-Zertifizierung
OEM/ODM Services
Delong operates a 6,000 m² production facility supported by a professional engineering team. We provide OEM, ODM, and OBM services for distributors, installers, and energy storage brands. Whether you need custom logos, enclosures, voltage and current specifications, communication methods, or system configurations, our team can support your specific project requirements, along with a 10-year warranty.

Delong Energy Lithium Battery Supplier
Technische Daten
| Battery Specifications | |||
|---|---|---|---|
| Modell | LFP51100 | ||
| Nennspannung | 51.2V | ||
| Nominale Kapazität | 100Ah | ||
| Batterie Energie | 5.12kWh | ||
| Ladestrom | Recommend/30A; Max./50A | ||
| Entladestrom | Recommend/50A; Max./100A; Peak/105A(5 sec.) |
||
| Entladeschlussspannung | 57,6V±0,2V | ||
| Ladeschlussspannung | 44,8V±0,2V | ||
| HMI Interface | 3.5 inch LCD | ||
| Inverter Specifications | |||
| Modell | DL48-S6.5 | ||
| AC-Eingang | |||
| 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) | ||
| AC-Ausgang | |||
| Rated Capacity (kW) | 6.5 | ||
| Surge Power (kVA) | 10 | ||
| Voltage (VAC) | 208 / 220 / 230 240 | ||
| Power Factor (PF) | 1 | ||
| Frequenz | 50/60Hz±0.1% | ||
| Switch Time (ms) | 10 (normal mode) / 10 (UPS mode) | ||
| Wave Form | Reine Sinuswelle | ||
| 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 | |||
| Artikel | 10.24kWh + 6.5kW | 15.36kWh+6.5kW | 20.48kWh+6.5kW |
| Battery Module Model*Number | LFP51100 * 2 | LFP51100*3 | LFP51100*4 |
| Energy(kWh) | 10.24 | 15.36 | 20.48 |
| Overall size(mm) | 483*220*1390 | 483*220*1840 | 483*220*2290 |
| Overall Weight(Kg) | ≈105.5 | ≈150 | ≈193 |
| General Specifications | |||
| Ingress Protection | IP21 | ||
| Betriebstemperatur | 0℃to 55℃,>45℃ drop runs | ||
| Relative Humidity | 5% to 90% (Non-Condensing) | ||
| Lagertemperatur | -10℃~55℃ | ||
| Max.Operating Altitude | 4000m(Derating above 1000m) |
FAQ
1. Ist Delong Energy eine Lithium-Batteriefabrik?
Delong Energy ist eine Batteriefabrik mit 11 Jahren Erfahrung, die Forschung, Entwicklung, Produktion und Vertrieb integriert.
2. Wie steht es um die Qualität der Lithium-Batterie-Produkte von Delong Energy?
Delong Energy verfügt über ein starkes F&E-Team und eine Reihe von internationalen Zertifizierungen, darunter MSDS, UN38.3, FCC, IEC62133, CE, UL, KC, BIS, CB, ROHS und ISO9001:2015 zertifiziert.
3. Können Sie ein OEM/ODM-Projekt durchführen?
Wir haben Ingenieure, die Ihnen bei der Entwicklung und Forschung und Entwicklung von Produkten helfen können.
4. Können Sie das Akkupaket für mehr Funktion anpassen?
Ja, wir haben ein professionelles Ingenieurteam, das Ihnen eine hervorragende Lösung anbieten kann.
5. Haben Sie ein MOQ?
Nicht begrenzt.
6. Kann ich Muster zum Testen erhalten? Wie lange ist die Vorlaufzeit für eine Musterbestellung?
Ja, wir können Muster liefern. Die Vorlaufzeit für Muster beträgt 3-5 Tage. Der Käufer zahlt für die Probe Kosten und Versandkosten.
7. Wie lautet Ihre Zahlungsfrist?
Wir nehmen T/T, Paypal, Alibaba Zahlung Weg, Kreditkarte, Visa, Echecking, Master Card, Trade Assurance, etc.
8. Bieten Sie einen Kundendienst an?
Ja, die Batteriegarantie beträgt 10 Jahre. Wenn es in dieser Zeit Qualitätsprobleme auf unserer Seite gibt, können wir eine neue Batterie als Ersatz schicken.







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