# Deye energy storage system GB-L20 PRO, 20 kWh

> Deye GB-L20 PRO is a 20 kWh high-voltage LiFePO₄ energy-storage system made from five 4 kWh battery modules. It is a floor-mounted battery for compatible hybrid-inverter systems, with IP65 protection and 18 kWh usable energy at the recommended depth of discharge.

## Product identity
- **Brand:** DEYE
- **Product family:** Deye GB-L12 PRO high-voltage battery system
- **Variant:** 20 kWh
- **SKU:** UMV183

## Description
Deye GB-L20 PRO is a modular high-voltage energy-storage system for solar self-consumption and backup-capable installations with a compatible inverter. The 20 kWh configuration combines five GB-L-PACK 4.0 modules and provides 18 kWh of usable DC energy at the recommended 90% depth of discharge.

The system operates at a nominal 512 V and communicates through CAN 2.0 or RS485. Its IP65 enclosure is intended for floor-mounted installation. It must be configured and commissioned by a qualified installer.

## Specifications
- **Depth of Discharge (DoD):** 90%
- **Connectivity:** CAN 2.0, RS485
- **Capacity:** 20 kWh
- **Voltage type:** Aukšta įtampa (HV)
- **Protection Class (IP):** IP65
- **Number of cycles / Service life:** ≥6 000
- **Usable capacity:** 18 kWh
- **Battery type:** LiFePO4
- **Nominal voltage:** 512 V
- **Number of modules:** 5 x GB-L-PRO
- **Operating temperature:** nuo –20 °C iki +55 °C
- **Model:** GB-L20 PRO
- **Dimensions:** 540 x 385 x 1310 mm
- **Warranty:** 10 metų
- **Communication:** CAN 2.0, RS485
- **Nominal capacity:** 20 kWh
- **Operating voltage:** 166,4–700 V
- **Nominal voltage:** 512 V
- **Single module capacity:** 4 kWh
- **Charging temperature:** −10 iki +55 °C
- **Discharge temperature:** −20 iki +55 °C
- **Maksimali Iskrovimo Srove:** 50 A (2 min., 25 °C)
- **Recommended depth of discharge:** 90 %
- **Vardine Ikrovimo Iskrovimo Srove:** 40 A

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