Sunsynk C&I Energy Storage System With 30 kW Hybrid HV Inverter and 61.44 kWh Battery

  
By Sunsynk
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Sunsynk C&I Energy Storage System with 30 kW 3‑Phase Hybrid Inverter and 61.44 kWh Battery

Key benefits 

  • Integrated three‑phase hybrid high‑voltage inverter and rack‑mount LiFePO₄ battery stack delivering up to 30 kW and 61.44 kWh of storage for commercial and industrial sites.
  • High‑voltage battery configuration (SUNSYNK‑GX G60) optimised for Sunsynk hybrid inverters, simplifying design for self‑consumption, peak shaving and backup power.
  • Robust LiFePO₄ chemistry, IP65 wall‑mount inverter and IP20 rack‑mount cabinet, suitable for well‑ventilated plant rooms and light‑industrial environments.

System overview

This Sunsynk C&I energy storage system combines a SUN‑30K‑SG01HP3‑EU‑BM3 three‑phase hybrid inverter with a SUNSYNK‑GX G60 high‑voltage battery rack (12 x 5.12 kWh modules) to provide 30 kW of AC power and 61.44 kWh of nominal DC storage. It is designed for commercial and industrial applications where you need to integrate PV, batteries and grid/generator to reduce demand charges, improve resilience and increase renewable self‑consumption.

Key features

  • Three‑phase hybrid inverter: SUN‑30K‑SG01HP3‑EU‑BM3 with up to 39 kW PV input, dual battery inputs, generator/AC‑couple input and full UPS functionality.
  • High‑voltage LiFePO₄ 61.44kWh battery stack: GX G60 configuration with 12 modules in series (51.2 V, 100 Ah each), providing 61.44 kWh total DC energy and 55.29 kWh usable (90 % DOD).
  • Flexible C&I operation: supports self‑consumption, backup power, smart load and AC‑coupled operation with three‑phase 230/400 V output.
  • Long life and warranty: ≥6000 cycles at 70 % end‑of‑life SoH for the battery and 10‑year battery warranty, plus 5‑year inverter warranty.
  • Integrated protections: anti‑islanding, over‑current, over‑voltage, lightning and leakage monitoring in the inverter, plus HV battery control, status indication and communication.

Technical specifications - hybrid inverter

Battery input data

  • Battery type: Li‑ion.
  • Max. charging current: 50 A + 50 A.
  • Max. discharging current: 50 A + 50 A.
  • Number of battery inputs: 2.
  • Charging strategy: self‑adaptation to BMS.

PV string input data

  • Max. DC input power: 39 000 W.
  • Max. DC input voltage: 1000 V.
  • Start‑up voltage: 180 V.
  • MPPT voltage range: 150–850 V.
  • Full‑load DC voltage range: 360–850 V.
  • Rated DC input voltage: 600 V.
  • PV input current: 36 + 36 + 36 A.
  • Max. PV Isc: 55 + 55 + 55 A.
  • No. of MPPT trackers: 3.
  • No. of strings per MPPT: 2 + 2 + 2.

AC output data

  • Rated AC output and UPS power: 30 000 W.
  • Max. AC output power: 33 000 W.
  • Peak power (off‑grid): 1.5 × rated power for 10 s.
  • AC output rated current: 45.5 / 43.5 A.
  • Max. AC current: 60 A.
  • Max. continuous AC pass‑through: 150 A.
  • Generator input / smart load / AC‑couple current: 45.5 / 150 / 45.5 A.
  • Power factor: 0.8 leading to 0.8 lagging.
  • Output frequency and voltage: 50 / 60 Hz; 3L/N/PE 220/380, 230/400 Vac.
  • Grid type: three phase.
  • DC injection current: <0.5 % In.

Efficiency

  • Max. efficiency: 97.60 %.
  • Euro efficiency: 97.00 %.
  • MPPT efficiency: >99 %.

Protection functions

  • PV input lightning protection: integrated.
  • Anti‑islanding protection: integrated.
  • PV string input reverse‑polarity protection: integrated.
  • Insulation resistor detection: integrated.
  • Residual current monitoring unit: integrated.
  • Output over‑current, short‑circuit and over‑voltage protection: integrated; output over‑voltage protection includes DC Type II / AC Type III surge protection.
  • Battery over‑current protection: fuses.

Certifications and standards

  • Grid regulations: VDE 4105, IEC 61727 / 62116, VDE 0126, AS 4777.2, CEI 0‑21, EN 50549‑1, G98, G99, C10‑11, UNE 217002, NBR 16149 / NBR 16150.
  • EMC / safety regulations: IEC 62109‑1 / ‑2, NBT 32004‑2018, EN 61000‑6‑1, EN 61000‑6‑2, EN 61000‑6‑3, EN 61000‑6‑4.

General data – inverter

  • Operating temperature range: −40 to 60 °C (derating above 45 °C).
  • Cooling: intelligent air cooling.
  • Noise: ≤45 dB.
  • Communication with BMS: RS485; CAN.
  • Weight: 75 kg.
  • Size (W × H × D): 527 × 894 × 294 mm.
  • Protection degree: IP65.
  • Installation style: wall‑mounted.
  • Warranty: 5 years.

Technical specifications – 61.44 kWh

Main parameters 

  • Model: SUNSYNK‑GX (X = 15,20,25,30,35,40,45,50,55,60); G60 used here.
  • Battery cell chemistry: Lithium Ferro Phosphate (LiFePO₄ or LFP).
  • Module energy: 5.12 kWh.
  • Module nominal voltage: 51.2 V.
  • Module capacity: 100 Ah.
  • Battery module quantity in series (G60): 12.
  • System nominal voltage (G60): 614.4 V.
  • System operating voltage (G60): 499.2–700 V.
  • System energy (G60): 61.44 kWh.
  • System usable energy¹ (G60): 55.29 kWh (DC usable energy at 90 % DOD, 0.2C charge/discharge at 25 °C).
  • Rated DC power (G60): 61.44 (kW, matching energy figure).

Charge / discharge current and operating conditions

  • Recommended charge/discharge current: 50 A.
  • Nominal charge/discharge current: 100 A.
  • Peak discharge current: 125 A (2 minutes, 25 °C).
  • Working temperature: charge 0–55 °C; discharge −20–55 °C.
  • Status indicator: yellow – battery high‑voltage power on; red – battery system alarm.
  • Communication port: CAN2.0 / RS485.
  • Humidity: 5–85 % RH.
  • Altitude: ≤2000 m.
  • IP rating of enclosure: IP20.
  • Installation location: rack mounting.
  • Storage temperature: 0–35 °C.
  • Recommended depth of discharge: 90 %.
  • Cycle life: 25 ±2 °C, 0.5C/0.5C, EOL 70 % ≥6000 cycles.
  • Warranty³: 10 years (whichever is reached first – warranty period or cycle power).
  • Certification: CE / IEC 62619 / VDE 2510‑50 / UL 1973 / UL 9540A / UN 38.3.

Dimensions and weight (rack system)

  • Dimensions (W / D / H): 589 × 590 × 1640 mm or 589 × 590 × 2240 mm (rack variants).
  • Approximate weight: 258 kg, 434 kg or 628 kg depending on configuration and rack height.

System components

  • High‑voltage control box: 750 V / 100 A, quantity 1.
  • 5.12 kWh battery module: general module, quantity 1 in component list (actual system uses multiple).
  • 120 Ω terminal resistor: quantity 1.
  • Communication cables: 110 mm for battery modules, 140 mm for HV control box, standard, quantity 12.
  • 220 mm positive power cord – HV control box: standard, quantity 1.
  • 220 mm positive power cord – battery module: standard, quantity 11.
  • Negative power cord – HV control box: standard, quantity 1.
  • 140 mm ground wire A: standard connecting cable A (connecting the HV control box), quantity 1; ground wire B for external rack connection not provided.
  • External PCS positive power cord (EPCable5.0): optional, quantity 1.
  • External PCS negative power cord (ENCable5.0): optional, quantity 1.
  • External 12 V power cord (EPWRCable5.0): optional, quantity 1.
  • External device communication cable (ECOM Cable5.0): optional, quantity 1.

Shipping and UK support

Shipping is available to the UK, Ireland, Africa, the Caribbean and worldwide. If the shipping rate is not shown at checkout, please contact us on +44 2080 640335 or info@energian.co.uk for a quote.

UK expert support is available – contact Energian with any questions or support requests via phone, email or live chat, or visit our office for an in‑person consultation to review your Sunsynk C&I storage design, including PV sizing, grid constraints, generator integration and installation requirements.

Documents available for download