# Deye GB-S15K-EU all-in-one system with 15 kW inverter and 20 kWh battery

> The Deye GB-S15K-EU is an integrated three-phase energy storage system with a 15 kW hybrid inverter and 20.45 kWh LiFePO4 battery capacity, designed for efficient solar energy management and uninterrupted backup power.

## Product identity
- **Brand:** DEYE
- **Product family:** Deye all-in-one system GB-S15K-EU with 15 kW hybrid inverter
- **Variant:** 20 kWh
- **SKU:** YNA826
- **MPN:** GB-S15K-EU

## Description
**Deye GB-S15K-EU** is an integrated All-in-One energy storage system combining a 15 kW three-phase hybrid inverter and a 20.45 kWh LiFePO4 battery array into a single vertical enclosure. This system is designed for residential and commercial buildings seeking maximum energy independence and reliable UPS-level backup power.

### **Main features**

- 15000 W rated three-phase AC grid and UPS output power
- 20.45 kWh total capacity with 18.4 kWh usable energy (90% DOD)
- 2 MPPT controllers supporting up to 19500 W DC solar input power
- Safe LiFePO4 battery cells with a lifespan of over 6000 cycles
- IP65 protection rating, suitable for indoor and outdoor installation
- Maximum inverter efficiency reaches 97.6%
- Wide battery system operating voltage range from 400 to 576 V
- 5-year warranty for the inverter and 10-year warranty for the battery modules

The modular design eliminates the need for external wiring between modules, ensuring a quick and tidy installation.

## Specifications
- **Warranty:** 5 m.

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