The Solar Step
5.5KVA Sunsynk Hybrid Inverter + Wifi + Sunsynk 5.32kWh Lithium Ion Battery
5.5KVA Sunsynk Hybrid Inverter + Wifi + Sunsynk 5.32kWh Lithium Ion Battery
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Sunsynk 5.5kW Hybrid Inverter + Wifi Dongle SYK-SSHI001
SUNSUNK 5KW HYBRID INVERTER
Higher yields.
- Improve the self-consumption ratio by up to 80%, reducing your electricity bill.
- DC/AC ratio up to 1.3, completely suitable for double-side PV modular.
- Two MPPT designs, Max. the efficiency of 97.6%.
User-friendly.
- LCD Touch screen and buttons, easy operation.
- Compatible with lithium-ion battery and lead acid battery.
- Web browser and mobile App monitoring are supported.
Reliable.
- PV lighting protection, Anti-islanding protection, Leakage current protection, etc.
- Support store energy from DG when needed, and ensure the system working within 7*24H.
- IP65 protection degree, adapt to indoor and outdoor use.
- Automatically switch from on-grid to off-grid mode within 5ms.
- Zero exporting function, the fast reaction within 200ms in zero export mode.
Smart.
- Programmable charging and discharging schedule.
- Both wind turbines and solar panels can be connected as DC input power.
- Max. 16 units can be paralleled for higher system power.
- Retrofitting of existing solar system to energy storage system.
Battery Input Data
- Battery Type: Lead-acid or Li-lon
- Battery Voltage Range (V): 40-60V
- Max. Charging Current (A): 120A
- Max. Discharging Current (A): 120A
- Charging curve: 3 Stages/Equalization
- External Temperature Sensor: Optional
- Charging Strategy for Lithium Battery: Self-adaption to BMS
PV String Input Data
- Max. DC Input Power (W): 6500W.
- PV input Voltage (V): 370V (100V-500V).
- MPPT Range (V): 125-425V.
- Start-up Voltage (V): 150V.
- PV Input Current (A): 11A + 11A.
- No. of MPPT Trackers: 2
- No. of Strings Per MPPT Tracker: 1+1.
AC Output Data
- Rated AC Output and UPS Power (W): 5000W
- Max AC Output Power (W): 5500W
- Peak Power(off-grid): 2 times of rated power, 10 S.
- AC Output Rated Current(A): 21.7.4A
- Max.AC Current(A): 25A
- Max Continuous AC Pass-through(A): 35A.
- Output Frequency and Voltage: 50Hz; 240Vac,
- Grid Type: THD<3%(Linear load<1.5%).
- Current Harmonic Distortion: THD<3% (Linear load<1.5%).
Efficiency
- Max. Efficiency: 97.60%
- Euro Efficiency: 96.50%
- MPPT Efficiency: 99.90%
Protection
- PV Arc Fault Detection: Integrated (Except European Type)
- 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 Protection: Integrated
- Output Shorted Protection: Integrated
- Output over Voltage Protection: Integrated
Certifications and Standards
- Grid Regulation: UL1741, IEEE1547, RULE21, VDE0126, AS4777, NRS2017, G98, G99, IEC61683, IEC62116, IE61727
- Safety Regulation: IEC62109-1, IEC62109-2
- EMC: EN61000-6-1, EN61000-6-3, FCC 15 class B
General Data
- Operating Temperature Range ( C ): -25—60 C , >45 C Derating
- Cooling: Fan
- Noise (dB): <30
- Communication with BMS: RS485; CAN
- Weight (kg): 20.5
- Size (mm): 580 X 330 X 208mm
- Protection Degree: IP65
- Installation Style: Wall-mounted
- Warranty: 5 years
Sunsynk 5.32kWh LiFePO4 Battery | 51.2V | Scalable Storage
Description:
Reliable & Scalable Energy Storage for Commercial and Industrial Use
The Sunsynk 5.32kWh LiFePO4 Battery is a high-performance energy storage solution engineered for commercial, industrial, and off-grid applications. Built for reliability, this 51.2V lithium battery delivers 100% Depth of Discharge (DOD) and supports seamless scalability up to 82.5kWh.
-High-Capacity Storage: 5.32kWh nominal energy with 51.2V system voltage
-1C Charge & Discharge Power: 5.5kW continuous charge/discharge for high-demand applications
-Scalable Solution: Parallel up to 15 units for 82.5kWh total capacity
-Seamless Integration: Compatible with Victron, Kodak (Axpert), Deye, Lux Power, Growatt, and Sunsynk inverters
-Durable & Long-Lasting: 10-year warranty, 15-year cell design life
-Flexible Installation: Wall-mounted or rack-mounted options for versatile setups
-Smart Monitoring: Optional Hubble Cloudlink enables remote monitoring and diagnostics
-User-Friendly Handling: Heavy-duty side handles for easy transportation and mounting
Technical Specifications:
- Nominal Energy: 5320Wh (5.32kWh)
- Nominal Voltage: 51.2V
- Depth of Discharge (DOD): 100%
- Continuous Discharge Rate: 50A
- Max Discharge Rate: 100A
- Max Charge Rate: 50A
- Parallel Capability: Up to 15 units (82.5kWh total)
- Installation Options: Wall-mounted or rack-mounted
- Weight: Approx. TBC kg
- Design Life: 15 years
-Warranty: 10-Year Limited Warranty (T&Cs Apply).
-Installation Requirements: Must be installed by a qualified electrician with a Certificate of Compliance (COC) as per SANS 10142 standards.
Free Nationwide Delivery – Secure Your Power Today!
Let customers speak for us
from 103 reviewsSystem works very well, happy with purchase.

Very impressive store. Friendly service. Ruan is an excellent salesman and very professional.
We bought the 11kva system last week. Customer service is excellent, delivery excellence, installed and working like 4 paired horses bulling a wagon. We're thrilled and keep up the great work guys.
A big thank you to The Solar Step team for the excellent service, I am very happy with my product!
This place has amazing service the staff are so friendly and fast to help i would highly recommend
This place has amazing service the staff are so friendly and fast to help i would highly recommend
Great products that saves you money and preserve energy.
Great products that saves you money and preserve energy.
Friendly, helpful, great customer service.
The staff was very helpful and they were quick to respond to my messages aswell as give me the best system that fits into my budget and that is also in great quility
Outstanding Service!
I had an amazing experience with this company! From start to finish, their team was professional, knowledgeable, and efficient.
Good service, frienfly assistance, great products. Just overall amazing
A chap named Ruan assisted me with a few items I need. He was very helpful and knowledgeable. Will highly recommend The solar step and Ruan. Keep up the good work
This place has the best service, the staff are so friendly and helpful would recommend

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