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 (Stock en la UE)
- 51.2V 228Ah All-in-one ESS (Stock en la UE)
- 51.2V 300Ah All-in-one ESS (Stock en la UE)
- 51.2V 314Ah All-in-one ESS (Stock en la UE)
- Marca: Delong Energy
- Muestra: Disponible para prueba
- Servicio: 10 años de garantía
- Soporte: OEM, ODM, OBM, Personalizado
- Certificados: CE, UL, MSDS, IEC, UN38.3, ISO, etc.
Precio: Haga clic en el botón de abajo para obtener un precio de descuento.
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.
Aplicaciones
- Energía residencial: 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.

Certificación de baterías de litio
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
Datos técnicos
| Battery Specifications | |||
|---|---|---|---|
| Modelo | LFP51100 | ||
| Tensión nominal | 51.2V | ||
| Capacidad nominal | 100Ah | ||
| Energía de la batería | 5.12kWh | ||
| Corriente de carga | Recommend/30A; Max./50A | ||
| Corriente de descarga | Recommend/50A; Max./100A; Peak/105A(5 sec.) |
||
| Tensión de corte de descarga | 57,6V±0,2V | ||
| Tensión de corte de carga | 44,8V±0,2V | ||
| HMI Interface | 3.5 inch LCD | ||
| Inverter Specifications | |||
| Modelo | DL48-S6.5 | ||
| Entrada 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) | ||
| Salida CA | |||
| Rated Capacity (kW) | 6.5 | ||
| Surge Power (kVA) | 10 | ||
| Voltage (VAC) | 208 / 220 / 230 240 | ||
| Power Factor (PF) | 1 | ||
| Frecuencia | 50/60Hz±0.1% | ||
| Switch Time (ms) | 10 (normal mode) / 10 (UPS mode) | ||
| Wave Form | Onda sinusoidal 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 | |||
| Artículo | 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 | ||
| Temperatura de funcionamiento | 0℃to 55℃,>45℃ drop runs | ||
| Relative Humidity | 5% to 90% (Non-Condensing) | ||
| Temperatura de almacenamiento | -10℃~55℃ | ||
| Max.Operating Altitude | 4000m(Derating above 1000m) |
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PREGUNTAS FRECUENTES
1. ¿Es Delong Energy una fábrica de baterías de litio?
Delong Energy es una fábrica de baterías con 11 años de experiencia, que integra investigación, desarrollo, producción y venta.
2. ¿Qué le parece la calidad de las baterías de litio de Delong Energy?
Delong Energy cuenta con un sólido equipo de I+D y un conjunto de certificaciones internacionales, como MSDS, UN38.3, FCC, IEC62133, CE, UL, KC, BIS, CB, ROHS e ISO9001:2015.
3. ¿Puede realizar un proyecto OEM/ODM?
Contamos con ingenieros que pueden ayudarle a diseñar e I+D cualquier producto relacionado.
4. ¿Se puede personalizar la batería para que funcione mejor?
Sí, contamos con un equipo de ingenieros profesionales para ofrecerle una solución excelente.
5. ¿Tiene MOQ?
No limitado.
6. ¿Puedo recibir muestras para probar? Y ¿cuál es el plazo de entrega de un pedido de muestras?
Sí, podemos suministrar muestras. El plazo de entrega de las muestras es de 3-5 días. El comprador paga el coste de la muestra y los gastos de envío.
7. ¿Cuál es su plazo de pago?
Adoptamos T/T, Paypal, Alibaba forma de pago, tarjeta de crédito, Visa, Echecking, Master Card, Trade Assurance, etc.
8. ¿Ofrecen servicio posventa?
Sí, la garantía de la batería es de 10 años. Si hay algún problema de calidad por nuestra parte en este período, podemos enviar una nueva como reemplazo.







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