Balcony ESS B2500 2.5KWH

Total System Feature

  • PV Input MPPT Voltage Range: 48-300V
  • Max Input Current: 40A
  • MPPT Power: Max 1920W
  • DC Output Voltage: 44-58.4V
  • USB Output (Optional): 5V 3A & PD100W (Optional)
  • Working Temperature: 0℃ ~ 45℃
  • Discharge Temperature: -20℃ ~ 55℃
  • Storage Temperature: -20℃ ~ 45℃
  • Communication Mode: WiFi, Bluetooth
  • IP Grade: IP65
  • Noise: <45dB
  • Humidity: 0-95% (no condensation)
  • Max Altitude: <1500m

Balcony ESS B2500 2.5KWH

  • Model: B2500
  • Battery Type: LiFePO4
  • Rated Capacity: 50Ah
  • Rated Voltage: 51.2V
  • Rated Energy: 2560Wh
  • Cycle Life: >6000 times (at 0.2C, 80% DOD)
  • Battery Dimension (L×W×H) In Millimeter: 650×180×360 mm
  • Net Weight (Approx): Approximately 38 kg (Subject to actual measurement)
  • Single Cell Overcharge Protection: 3.75±0.05V
  • Single Cell Overdischarge Protection: 2.5±0.05V
  • Overtemperature Protection: 60℃
  • Low Temperature Charging Protection: -3℃
  • PV Input MPPT Voltage Range: 48-300V
  • Max Input Current: 40A
  • MPPT Power: Max 1920W
  • DC Output Voltage: 44-58.4V
  • USB Output (Optional): 5V 3A & PD100W (Optional)
  • Working Temperature: 0℃ ~ 45℃
  • Discharge Temperature: -20℃ ~ 55℃
  • Storage Temperature: -20℃ ~ 45℃
  • Communication Mode: WiFi, Bluetooth
  • IP Grade: IP65
  • Noise: <45dB
  • Humidity: 0-95% (no condensation)
  • Max Altitude: <1500m

Products Details

Safe LiFePO4 Chemistry

Stable, non-flammable lithium iron phosphate ensures safety in industrial environments.

Broad Inverter Compatibility

Seamlessly integrates with major inverter brands for reliable solar energy storage.

APP Monitor

Remote OTA upgrades, WiFi and Bluetooth functionality, and app-based remote monitoring for easy system management.

Precise SOC Display

Accurate state‑of‑charge data shown after the first full battery charge.

10 Years Usage Life

Delivers 6,000+ cycles and charges in 0.2C with 99% efficiency.

Smart Battery Management

Built-in BMS offers real-time monitoring and multi-level protection.

Space & Maintenance Saving

Smaller battery size, no watering, no acid—zero maintenance required.

Clean & Durable Design

No gas emissions or spills, IP65-rated for harsh work environments.

Balcony ESS – Smart, Compact Home Energy Storage

alcony-Solar-Storage-System

Our Balcony ESS is designed for modern homes, providing a safe, reliable, and convenient energy storage solution in a sleek, space-saving package. Perfect for balconies, patios, or any limited space, it allows homeowners to efficiently store solar energy and power daily household loads with ease. With a high-efficiency LiFePO4 battery and intelligent Battery Management System (BMS), the Balcony ESS ensures long-lasting performance, optimal safety, and consistent energy output. Its plug-and-play design makes installation simple, while IP55/IP65-rated protection allows it to withstand outdoor conditions. Whether you want to reduce electricity costs, increase self-consumption of solar power, or ensure backup energy during outages, the Balcony ESS provides a versatile, eco-friendly, and hassle-free solution for your home.

Balcony ESS VS Wall ESS

Feature Balcony ESS Wall-Mounted ESS
Installation Location Balcony, patio, small spaces Wall-mounted, indoor or outdoor
Capacity 2–10 kWh 10 kWh and above, expandable
Power Output Moderate, suitable for daily household loads Medium to high, supports full-house loads
Battery Type LiFePO4 LiFePO4
Protection Rating IP55/IP65, suitable for semi-outdoor use Varies by model, often IP20 indoor / IP65 outdoor
Installation Plug & Play, easy setup Professional or DIY installation, may require more space
Expandability Limited High, supports multiple units in parallel
Use Case Small homes, solar self-consumption, backup for essential loads Larger homes, full-house backup, high-capacity solar storage

Smart All In One ESS Battery Monitor App

Real-time monitoring of battery voltage, current, and temperature. Enables remote diagnostics and alerts to ensure safe, stable operation and improve maintenance efficiency.

App-Controlled-Balcony-Solar-Storage-System

Much better than lead-acid batteries!

Experience longer driving range, quicker recharges, and lightweight power with zero maintenance—engineered for superior performance and reliability in every ride.

Compatible with the mainstream inverters

SMA, Victron Energy, GoodWe, Solis Inverters, Schneider Electric, Deye, Growatt, IMEON Energy, Studer, Selectronic, Voltronic Power, Sofar Solar, Sermatec, Zucchetti Centro Sistemi, Redback Technologies, Alpha ESS, Sungrow, LUX PowerTek, Morningstar, Delios, Ingeteam, MLT Power, Steca (A KATEK Brand), SAJ, SolarMax, Axioma Energy, Phocos, Western Co., Effekta, Kehua Tech, INVT, TBB, MUST, Moixa, Megarevo, AiSWEI, FSP, LIVOLTEK, SenerQy, SolaX Power, Opti-Solar Inverter Power, Sorotec, GMDE

VTCBATT ESS instruction: Tested, Proven, Trusted

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From Installation Sites to Global Shows — Every Moment Reflects Our ESS in Motion
What is a balcony solar battery system?
A balcony solar battery system bundles compact solar panels, a micro-inverter, and a battery storage unit. Sunlight is converted into electricity via panels and inverter, with extra energy stored for later use—ideal for balconies, terraces, or urban spaces.
The Bacony Solar Battery holds multiple certifications. It is certified under UN38.3 (for lithium battery transport), includes an MSDS, and meets IEC standards (IEC62619, IEC62477-1, IEC61000-6-1/6-3). It also complies with the EU WEEE Directive (2002/96/EC). These certifications ensure it meets international safety and quality standards.
Solar panels capture sunlight and produce DC electricity, which is converted to AC by a micro-inverter. Surplus energy charges the battery; when sunlight wanes, stored power supplies the home. Monitoring apps often manage energy flow.
These systems are easy to install (often plug-and-play), reduce electricity bills via self-consumption, offer backup power, shrink carbon footprint, and are perfect for renting or small urban spaces.
Minimal effort: keep panels clean from dust or debris, inspect mounts for wear, and monitor through an app. For repairs or work on electrical components, consult a qualified technician.
In some places (e.g., Germany), you must register systems but landlord or HOA approval isn’t required—though informing them is recommended for uniform appearance.
Bacony is plug-and-play for quick DIY installation. The battery can be mounted vertically on a balcony wall and set up in about 10 minutes using the provided instructions. No professional electrician is needed, making installation straightforward for small-space solar storage.