We Provide Innovative Solar Energy Solutions

Industrial-Scale Power Management by Sunjoy Energy

The Sunjoy Energy SJR-51628FLP-01 51.2V 628Ah LiFePO4 Battery Pack represents the next generation of high-capacity energy storage. Packing an extraordinary 32.153KWh of total nominal energy into a highly integrated design, this industrial-grade system is tailored for commercial microgrids, agricultural backups, data centers, telecom base stations, and high-end residential off-grid solar infrastructure.

Uncompromising Safety and Reliability

Built around safety and longevity, the SJR-51628FLP-01 boasts an impressive cycle life of 6,000 cycles at 80% Depth of Discharge (DOD). The built-in advanced Battery Management System (BMS) continuously monitors cell voltage, temperature, and current. It provides comprehensive multi-layered hardware protection against short circuits, over-charging, over-discharging, and thermal anomalies. It guarantees reliable, maintenance-free performance while eliminating the environmental and safety risks of old lead-acid setups.

Smart Communications and Rugged Engineering

With standard RS485, RS232, and CAN bus interfaces, the battery bank easily synchronizes and communicates telemetry with premier solar inverters and energy management platforms. Optional Bluetooth and Wi-Fi allow for intuitive wireless control and real-time cloud monitoring. Structurally, the battery is housed in a robust, powder-coated sheet metal enclosure with an IP54 rating, making it dustproof and water-resistant for maximum durability across extreme operating climates.

Battery Parameters

• Brand / Manufacturer: Sunjoy Energy

• Model Number: SJR-51628FLP-01

• Battery Chemistry: Lithium Iron Phosphate (LiFePO4)

• Nominal Voltage: 51.2V

• Nominal Capacity: 628Ah

• Nominal Energy: 32.153KWh

• Working Voltage Range: 43.2V – 57.6V

• Cycle Life: ≥ 6000 Cycles @ 80% DOD

• Self-Discharge Rate: ≤ 2% per month (@ 25°C & 50% SOC)

• Communication Ports: RS485 / RS232 / CAN

• Bluetooth & Wi-Fi: Optional

• Product Certifications: CE / UN38.3 / MSDS

Standard Charging & Discharging

• Charging Voltage: 57.6V

• Charging Mode: CC-CV (Constant Current - Constant Voltage)

• Maximum Charging Current: 200A

• Maximum Continuous Discharging Current: 200A

• Charging Cut-off Voltage: 57.6V

• Discharging Cut-off Voltage: 43.2V

Environmental & Operating Limits

• Charge Temperature Range: 0°C to 45°C (32°F to 113°F) @ 60±25% RH

• Discharge Temperature Range: -20°C to 60°C (-4°F to 140°F) @ 60±25% RH

• Storage Temperature Range: 0°C to 45°C (32°F to 113°F) @ 60±25% RH

Structural Parameters

• Enclosure Casing Material: Heavy-Duty Sheet Metal

• Product Dimensions (W x H x D): 725 x 811 x 489 mm

• Product Weight: Approx. 247 Kg (544.5 lbs)

• Water & Dust Resistance Rating: IP54