Deye

Deye GB-L20-Pro - 20.45kWh High-Voltage Battery Storage Set

SKU: 793

✓︎ High-voltage technology for maximum energy efficiency
✓︎ Compact tower design saves valuable space
✓︎ Cobalt-free and extremely long-lasting battery cells

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Delivery time: ca. 4 weeks

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Deye GB-L20-Pro - 20.45kWh High-Voltage Battery Storage Set

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Description

Deye GB-L20-Pro - 20.45kWh High-Voltage Battery Storage Set is the ultimate solution for private homes or smaller commercial operations with a very high daily electricity demand. With its enormous storage capacity, this system is perfectly designed to reliably supply large consumers such as modern heat pumps or electric vehicles with your own solar power. Instead of feeding your valuable self-generated electricity into the public grid for little money, this solution allows you to store massive amounts of it and use it precisely when the sun has long since set.

Your key benefits at a glance

Uncompromising safety: The lithium iron phosphate cells (LiFePO4) used here are considered the safest and most robust technology on the market. They are completely free of the controversial element cobalt and offer outstanding protection against overheating.
Maximum efficiency through high voltage: Due to the extremely high system voltage, this battery storage operates with significantly lower losses than classic low-voltage systems. The energy harvested from your solar modules therefore reaches your household appliances noticeably more efficiently.
Elegant tower design: Despite its enormous capacity, the system takes up surprisingly little space. The individual battery modules are simply and stably stacked on top of one another. This ensures a very clean look without messy cable clutter in your utility room.
Reliable backup power protection: If the public power grid unexpectedly fails, this high-voltage system, in combination with a suitable hybrid inverter, seamlessly takes over the power supply. This way, your most important electrical devices always remain safely in operation.

Smart energy management for true independence

With this high-performance battery storage, you take full control of your energy costs. The smart system automatically ensures in the background that your household is always supplied first with your own, free solar power. Only once this enormous battery is completely full is the surplus electricity fed into the grid. This well-thought-out principle massively protects your wallet and shields you from unpleasant surprises on your electricity bill in the long run. Should your energy needs continue to grow in the distant future, the system can even be further expanded thanks to its clever, modular design.

General
Model	Deye GB-L20-Pro (20.45 kWh Set)
Product type	Modular high-voltage battery storage
System configuration	5x battery modules (4.09 kWh each), 1x high-voltage control box (GB-LBS-Pro), 1x base (GB-L Base)
Communication	CAN2.0 / RS485 / Integrated LCD display
Warranty	10-year manufacturer warranty
Performance & Capacity
System capacity (rated)	20.45 kWh
Usable capacity	approx. 18.40 kWh (at 90% DoD)
Battery technology	Lithium iron phosphate (LiFePO4, cobalt-free)
System rated voltage	512.0 V
Operating voltage range	416.0 V – 576.0 V
Charge / discharge current (rated)	40 A
Maximum discharge current	50 A (peak for 2 minutes at 25 °C)
Cycle life	≥ 6,000 cycles (at 25 °C, 0.5C/0.5C, 70% EOL)
Physical Data
System dimensions (W x D x H)	540 x 385 x 1310 mm (complete tower incl. base & control box)
Total weight	approx. 214 kg
Single module dimensions (W x D x H)	540 x 385 x 220 mm
Single module weight	approx. 39 kg
Mounting type	Floor mounting (cableless stackable modules, plug & play)
Safety & Environment
Protection rating	IP65 (suitable for indoor and protected outdoor use)
Operating temperature (charging)	-10 °C to +55 °C (incl. intelligent heating function)
Operating temperature (discharging)	-20 °C to +55 °C
Safety system	Integrated fire suppression system & explosion protection valve
Certifications	CE, IEC62619, VDE2510-50, UN38.3