The BYD Battery-Box LV Flex is a lithium iron phosphate (LFP) battery pack for use with an external inverter. The communication with the inverter is established through the Battery-Box Premium LV BMU (Battery Management Unit). Connect up to 64 LV Flex Modules in parallel on one BMU to reach individual capacities between 5 and 320 kWh. Thanks to it´s 3U design, the LV Flex can adapt to off-the-shelf racking systems. And with the possibility of stacking up to 4 units or installing them vertically, the LV Flex provides a variety of options for bespoke housing designs.

KEY FEATURES

• Perfect Battery for bespoke Projects and Integrated Systems
• Scalable from 5 kWh to 320 kWh
• Maximum Flexibility for any Application with up to 64 Modules connected in Parallel
• Compatible with Market Leading 1 and 3 Phase Inverters
• Cobalt Free Lithium Iron Phosphate (LFP) Battery: Maximum Safety, Lifespan and Power
• Capable of High-Powered Emergency-Backup and Off-Grid Function
• Self-Consumption Optimization for Residential and
  Commercial Applications

TECHNICAL PARAMETERS

• Usable Energy 5.0 kWh
• Max Cont. Output Current 70 A
• Peak Output Current 105 A, 5 s
• Dimensions (H/W/D) 132x 482 x 525 mm
• Weight 47 kg
• Nominal Voltage 51.2 V
• Operating Voltage 43.2 -57.6 V
• Operating Temperature -10 °C to +50°C
• Battery Cell Technology Lithium Iron Phosphate (cobalt-free)
• Communication CAN/RS485
• Enclosure Protection Rating IP20
• Round-trip Efficiency ≥95%
• Scalability Max. 64 in Parallel (320 kWh)
• Certification IEC62619 / CE / CEC / UN38.3 / IEC62040
• Applications ON Grid / ON Grid + Backup / OFF Grid
• Compatible Inverters Refer to BYD Battery-Box LV Flex Minimum Configuration List
• Installation method With / Without Rack

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SUN-50K-SG01HP3-EU-BM4 is a brand new three-phase hybrid inverter with a high-voltage battery, ensuring the system is safe and reliable. With a compact design and high-power density, this series supports a 1.3 DC/AC ratio, saving device investment. It supports a three-phase unbalanced output, extending the application scenarios. Equipped with CAN port (x2) BMS and parallel, x1 RS485 port for BMS, x1 RS232 port for remote control, and x1 DRM port, which makes the system smart and flexible.

It is equipped with RS485 / CAN port for battery communication.

Remotely shutdown function

Smart Monitoring Platform
Thanks to the smart monitoring platform, Deye full series inverter products support remote shutdown immediately when an accident occurs. Setting parameters and FW updates remotely, which makes PV plant O&M easier.

• 100% unbalanced output, each phase; Max. output up to 50% rated power
• DC coupled and AC coupled to retrofit existing solar system.
• Max. 10 pcs parallel for on-grid and off-grid operation; Support multiple batteries parallel
• Max. charging/discharging current of 100A
• High voltage battery, higher efficiency
• 6 time periods for battery charging/discharging
• Support storing energy from diesel generators.

Technical Specifications

MORE POWER

• Module efficiency up to 22.5 %
• Up to 4.5 % lower LCOE
• Up to 5.6 % lower system cost
• Comprehensive LID / LeTID mitigation technology, up to 50% lower degradation
• Compatible with mainstream trackers, cost-effective product for utility power plant
• Better shading tolerance

MORE RELIABLE

• Minimizes micro-crack impacts
• 40 °C lower hot spot temperature, greatly reduce module failure rate
• Heavy snow load up to 5400 Pa, enhanced wind load up to 2400 Pa
• 12 years Enhanced Product Warranty on Materials and Workmanship
• 25 years Linear Power Performance Warranty

ELECTRICAL DATA | STC

• Nominal Max. Power (Pmax): 560 W
• Opt. Operating Voltage (Vmp): 42.3 V
• Opt. Operating Current (Imp): 13.24 A
• Open Circuit Voltage (Voc): 51.4 V
• Short Circuit Current (Isc): 13.69 A
• Module Efficiency: 21.7%
• Operating Temperature: -40°C ~ +85°C
• Max. System Voltage: 1500V (IEC/UL) or 1000V (IEC/UL)
• Module Fire Performance: TYPE 1 (UL 61730 1500V) or TYPE 2 (UL 61730 1000V) or CLASS C (IEC 61730)
• Max. Series Fuse Rating: 25 A
• Application Classification: Class A
• Power Tolerance: 0 ~ + 10 W

MECHANICAL DATA

• Cell Type: Mono-crystalline
• Cell Arrangement: 144 [2 x (12 x 6)]
• Dimensions: 2278 ˣ 1134 ˣ 30 mm (89.7 ˣ 44.6 ˣ 1.18 in)
• Weight: 27.6 kg (60.8 lbs)
• Front Cover: 3.2 mm tempered glass
• Frame: Anodized aluminium alloy
• J-Box: IP68, 3 bypass diodes
• Cable: 4 mm2 (IEC), 12 AWG (UL)
• Cable Length (Including Connector): 410 mm (16.1 in) (+) / 290 mm (11.4 in) (-) (supply additional jumper cable: 2 lines / Pallet) or customized length
• Connector: T4 series or H4 UTX or MC4-EVO2