Growatt NEXA 2000 Plug & Play Battery Expansion Module
Growatt NEXA 2000 Expansion Battery for Balcony Power Plants
Capacity
per module
- 2048 Wh
Max.
Capacity
- 8,192 Wh
Discharge
power to the NEXA 2000
- 800 W
Growatt NEXA 2000 Expansion Battery
The Growatt NEXA 2000 Expansion Battery is the ideal solution for flexibly expanding your balcony power plant storage system. With a capacity of 2,048 Wh per module, you can expand your existing NEXA 2000 unit with up to three additional batteries—for a total capacity of up to 8,192 Wh.
The perfect addition for greater self-sufficiency: The expansion battery stores excess solar power and makes it available when needed—ideal for increasing your self-consumption rate and reducing electricity costs.
Easy to stack & seamlessly integrate: The modules are stacked directly on top of one another without complicated wiring. The system automatically detects additional batteries and integrates them intelligently.
High-Power Discharge: The battery delivers up to 800 W of output power directly to the NEXA 2000 main unit, supporting off-grid operation or peak load coverage.
Weatherproof & robust: With an IP IP66 rating and an operating temperature range down to -20°C, the expansion is ideally suited for outdoor use even under extreme conditions.
Long-Lasting LiFePO4-Technology: More than 6,000 charge cycles guarantee a sustainable and safe energy solution with high cycle stability and minimal power loss over many years.
Whether you need more energy storage in the summer or a backup during the darker months—the NEXA 2000 expansion battery offers you exactly the flexibility you need.
Flexible expansion up to 8 kWh

More capacity for maximum independence: The Growatt NEXA 2000 can be flexibly expanded up to 8 kWh. Each unit has a capacity of 2,048 Wh, and by simply stacking up to 3 additional modules, the total capacity can be expanded to 8,192 Wh. This allows your storage system to adapt precisely to your energy needs.
Emergency Power Supply Thanks to Off-Grid Functionality

Flexible off-grid operation for travel or emergencies: The Growatt NEXA 2000 offers a built-in emergency power function with 800W continuous power—ideal for off-grid operation while camping or at vacation homes. A Power Mode with up to 1000W can be activated via the app. Control is conveniently managed through the ShinePhone app.
Plug & Play – Ready to Use Immediately

Quick & easy installation: The Growatt NEXA 2000 is ready to go in just 2 minutes! Thanks to its well-thought-out Plug & Play design, all you have to do is plug the device into an outlet, connect it to your solar panels—and energy storage begins right away. No complicated wiring or additional inverters required.
Smart Energy Monitoring with Shelly Integration
The Growatt NEXA 2000 supports integration with Shelly smart meters, such as the Shelly 3EM and Shelly Pro 3EM, for smart and dynamic energy management. This feature enables real-time monitoring of your electricity consumption and automatic adjustment of the battery’s discharge power.
By connecting to Shelly meters, the NEXA 2000 optimizes your self-consumption, reduces grid draw, and maximizes the use of your solar energy. This ensures that excess energy is used efficiently while lowering your energy costs. At the same time, the ShinePhone app provides transparent control over your power flow—all directly from your smartphone.
Smart App Control
With Growatt’s ShinePhone app, you have full control over your NEXA 2000. Monitor the battery charge level, optimize self-consumption, and conveniently manage your energy usage via smartphone—anytime, anywhere.
Thanks to Wi-Fi and Bluetooth integration, you can adjust settings, perform updates, and analyze energy flow in real time. This way, you always have a clear overview of your solar energy and can make your electricity usage even more efficient.
Maximum PV input power of 2600W
With a maximum PV input power of 2600W and 4 independent “MPPT” channels, the NEXA 2000 gets the most out of your solar system—even under changing light conditions or partial shading.
-20 °C Start & Automatic Heating Function

Thanks to the automatic heating function, the NEXA 2000 remains reliable even at extreme temperatures. The battery heats itself automatically, ensuring the storage unit functions even at -20°C. Ideal for regions with cold winters!
IP66 Protection Class – Weatherproof & Rugged
With IP66, the NEXA 2000 is perfectly suited for outdoor use—even under extreme weather conditions such as rain, dust, or snow.
Flexible Setup – Perfect for Balconies & Gardens
Whether on a balcony, in a garden, or on a patio—the NEXA 2000 can be set up flexibly. Thanks to its compact design and stackable expansion modules, it adapts perfectly to your living situation.
High-Quality LiFePO4-Battery with 6,000+ Charge Cycles
The Growatt NEXA 2000 is equipped with a long-lasting LiFePO4-battery that offers over 6,000 charge cycles. This state-of-the-art technology ensures maximum safety, a long service life, and a reliable power supply.
Thanks to the robust LiFePO4-cells, battery performance remains stable for years without significant capacity loss. Perfect for a sustainable, independent power supply with high reliability and safety.
Special Features
Capacity and Expansion:
The Growatt NEXA 2000 offers a storage capacity of 2,048 Wh per module and can be expanded to up to 8,192 Wh with additional expansion modules. Thanks to this flexibility, you can customize your storage needs.
Simple Plug-and-Play Installation
Installing the NEXA 2000 takes just 2 minutes! Simply plug it into an outlet via Plug & Play and connect it to the solar panels—no complicated wiring or additional inverters required.
Long-Lasting LiFePO4-Battery Technology
The LiFePO4-battery used is designed for over 6,000 charge cycles and offers maximum efficiency and longevity. This ensures that the NEXA 2000 remains a sustainable and reliable energy source for years to come.
Weatherproof with IP66-Protection Rating
Thanks to its IP66-certification, the NEXA 2000 is optimally protected against dust and water. Whether it’s rain, snow, or extreme temperatures ranging from -20°C to 55°C—this storage unit operates reliably in any environment.
Technical Specifications
| Specifications | NEXA 2000 Expansion Battery |
|---|---|
| Battery Type | LiFePO4 |
| Capacity | 2048 Wh |
| Maximum System Capacity | 8,192 Wh (4 modules) |
| Max. Charging Power | 2,000 W |
| Max. discharge power to the main battery | 800 W |
| Nominal voltage | 51.2 V |
| Dimensions (L × W × H) | 406 × 235 × 270 mm |
| Weight | approx. 20 kg |
| Charging temperature range | 0°C to 55°C |
| Unloading temperature range | –20°C to 55°C |
| Protection class | IP66 |
| Interfaces | LED & App |
| Communication | Bluetooth & Wi-Fi via NEXA 2000 |
| Warranty | 10 years |
| Certifications | VDE-AR-N 4105, EN 50549, CE, IEC 62109, UN38.3, and others |
scope of delivery
Growatt NEXA 2000 Expansion Battery
- 1 x NEXA 2000 Expansion Battery (2048 Wh)
- 1 x User Manual
- 1 x Mounting hardware
Product Videos
Installation Guide
The video demonstrates the simple installation of the Growatt NEXA 2000. Step-by-step instructions—installation is quick and easy. Perfect for anyone looking for an efficient and user-friendly balcony power station.
Technical Informations
Manufacturer information (GPSR)
Manufacturer
Shenzhen Growatt New Energy Co., Ltd.
4-13/F, Building A, Sino-German (Europe) Industrial Park, Hangcheng, Bao'an
Shenzhen
China
Disposal of waste electrical and electronic equipment
Electrical appliances do not belong in household waste. You can return old appliances free of charge to municipal collection points or register them with us for take-back. The crossed-out wheelie bin means the appliance must be collected separately.
Returning batteries and rechargeable batteries
Batteries and rechargeable batteries do not belong in household waste. You are legally obliged to return used batteries — free of charge to us, to retailers or to municipal collection points. The crossed-out wheelie bin stands for separate collection; Pb means lead, Cd cadmium, Hg mercury.
Note: This product contains lithium batteries. Please follow the special instructions for safe handling and disposal — do not open, do not short-circuit, tape over the terminals before returning.