Knox Rackwall 15 51.2V 280Ah Lithium Battery

Product Description

The Knox Rackwall 15 51.2V 280Ah Lithium-ion Battery is a high-capacity energy storage solution engineered for demanding residential, commercial, and industrial solar applications. Built with premium LiFePO4 prismatic cells powered by REPT, this battery delivers exceptional safety, long lifespan, and consistent performance for large-scale energy storage systems.

Designed in a standard 19-inch rack-mounted format, the Rackwall 15 ensures flexible installation and seamless system expansion. The battery supports parallel connection of up to 15 units, allowing users to easily increase storage capacity according to growing energy requirements.

Equipped with an advanced PACE Battery Management System (BMS) and a 4.3-inch touch LCD display, users can monitor battery status, SOC, alarms, and operational performance in real time. With RS485 and CAN communication interfaces, the battery integrates smoothly with most leading inverter brands.

Offering over 8000 life cycles, maintenance-free operation, and wide temperature tolerance, the Knox Rackwall 15 provides reliable long-term energy storage for modern solar and backup power systems.

Key Features

• High-capacity LiFePO4 lithium battery technology

• Advanced PACE BMS protection system

• 4.3” Touch LCD monitoring display

• Standard 19” rack-mounted installation

• Parallel expansion up to 15 batteries

• Compatible with major inverter brands

• Maintenance-free operation

• Wide operating temperature range

• High safety low-voltage system design

Communication & Expansion

• Inverter Communication: RS485 / CAN

• Battery Communication: Link-IN / Link-OUT

• Parallel Connection: Up to 15 Units

• Series Connection: Not Supported

Operating Conditions

• Charging Temperature: 0°C to +55°C

• Discharging Temperature: -20°C to +55°C

• Humidity Range: 0 – 95% RH (Non-condensing)

Physical Specifications

• Dimensions (W × D × H): 442 × 650 × 250 mm

• Weight: 115.2 kg

• Installation Type: Rack Mounted

Protection System

The intelligent PACE BMS ensures complete battery safety with:

• Over Voltage Protection (OVP)

• Low Voltage Protection (LVP)

• Over Current Protection (OCP)

• Over Temperature Protection (OTP)

• Low Temperature Protection (LTP)

• Short Circuit Protection

Applications

• Large Solar Energy Storage Systems

• Hybrid & Off-Grid Solar Installations

• Commercial & Industrial Backup Power

• Data Centers & Telecom Systems

• High-Capacity Energy Storage Projects