DQ1911 ESS

DQ1911 Residential Energy Storage System Overview

The DQ1911 Residential ESS is a flat-stacked, all-in-one home energy storage solution that integrates a BMS, hybrid inverter, and MPPT solar controller into a compact modular design. With flexible configurations from 5kWh up to 125kWh, it meets household energy demands ranging from daily backup power to complete off-grid living.

Rated Inverter Power From 5.6 kW to 33.6 kW

Storage Capacity From 5 kWh to 125 kWh

Configuration Modular and Scalable

Smart Backup Power & Energy Independence

The DQ1911 provides stable, round-the-clock power supply, ensuring that essential appliances such as refrigerators and air conditioners continue to operate during grid outages. When paired with a solar PV system, households can achieve up to 80% self-consumption of solar energy, reducing annual electricity costs by up to 40%.

Flexible Modular Design & Long Lifespan

Each DQ1911 battery module includes an independent BMS for cell balancing, overcharge, over-discharge, and temperature protection. The system supports modular stacking to expand capacity. Batteries are designed for 10+ years of life under normal operating conditions.

Smart Monitoring & Remote Control

Equipped with an LCD real-time display and support for WiFi/GPRS/RS485, the system enables remote monitoring and control. Users can track daily energy production and consumption, and adjust priorities between solar charging and grid charging. Over a typical year, families can monitor and optimize more than 3,500 hours of solar power utilization.

Safety & Reliable Performance

The DQ1911 is built with high-safety LiFePO4 batteries, tested to withstand temperatures from -20°C to +50°C, overcharge, and short-circuit risks. With multiple electronic protections (overvoltage, overload, short-circuit), the system ensures safe operation. The design provides 3 years warranty and a 10+ year lifecycle, offering peace of mind for homeowners.

Complete Home Energy Solution

With its modular, stackable design and flexible capacity options, the DQ1911 is ideal for residential backup power, solar self-consumption, and off-grid applications. Compact and intelligent, it provides homeowners with safe, reliable, and long-lasting energy storage.