Low-voltage off-grid storage systems

YEL Series 5.5 kW Single or Optional Parallel Storage System

YEL is differentiated by its 5.5 kW single-inverter and optional two-unit parallel architecture. Buyers should select the output configuration first, then match a 6.4–40 kWh battery combination.

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YEL Series 5.5 kW Solar Power SystemYEL Series 5.5 kW Solar Power System
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Project supply details

YEL Series 5.5 kW Solar Power System for solar energy storage and project supply.

Suitable for solar storage projects, off-grid backup and distributor project supply.

Model Range
YEL Series 5.5 kW
Inverter type
5.5 kW / 51.2V AC hybrid inverter, optional 2-unit parallel connection
Rated output power
5.5KW
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YEL Series 5.5 kW System Applications

YEL Series 5.5 kW solar power system application diagram
Application and connection overview for project planning. Final configuration depends on the selected model and project requirements.

Information Needed for a YEL Configuration

  • Single-inverter or optional two-unit parallel requirement
  • Target total output and battery capacity
  • Compatible 230V site and PV parameters
  • Order quantity and delivery destination
Submit YEL Configuration & Request Quote

Modular Single-Inverter and Parallel Options

  • 5.5 kW/51.2V hybrid inverter with optional two-unit parallel connection.
  • Current model combinations cover approximately 6.4 to 40 kWh.
  • 230VAC 50Hz pure sine wave output and 120–450Vdc PV MPPT range.
  • Current data lists a 5-year inverter warranty and 8-year LFP battery warranty.

Applications for Modular YEL Systems

  • Single-inverter shop and home backup
  • Optional parallel configurations for higher-output projects
  • Distributor and EPC modular system supply

Core specifications

Model RangeYEL Series 5.5 kW
Inverter type5.5 kW / 51.2V AC hybrid inverter, optional 2-unit parallel connection
Rated output power5.5KW
Output waveformPure sine wave
System configuration

YEL Series 5.5 kW Solar Power System technical details

System Configuration

Model
YEL-5K10B 5KW/6.5KWH / YEL-5K13B 5KW/13KWH / YEL-10K26B 10KW/26KWH / YEL-5K20B 5KW/20KWH / YEL-10K40B 10KW/40KWH
Inverter type
5.5 kW / 51.2V AC hybrid inverter, optional 2-unit parallel connection
Rated output power
5.5KW
Output waveform
Pure sine wave
Output voltage
230VAC50HZ
Low DC warning voltage
44.8Vdc
Low DC cut-off voltage
43.2Vdc
Low DC warning recovery voltage
44.8Vdc
Total charging current (grid + solar)
Maximum 100A
Bulk charging voltage
58.6Vdc
Float charging voltage
57.6Vdc
Standard battery module
51.2V125Ah*1 / 51.2V125Ah*2 / 51.2V125Ah*4 / 51.2V125Ah*3
Nominal capacity(25C,0.2C)
6400Wh / 12.8kWh / 25.6KWh / 19.2KWh
Rated battery voltage
51.2Vdc
Maximum charging current
100A1 seconds
Maximum discharge current
100A
Operating voltage range
42Vdc~54.75Vdc
Cycle life
>8000 cycles80%DOD 25C
Operating temperature
-23C~+65C
Rated input voltage
230 Vac, configurable: 208/220/230/240 Vac
Input voltage range
90-280V
Frequency range
40-70 Hz, default
Main topology
L+N+PE
Minimum input voltage
90 Vac
Maximum input voltage
280 Vac
Rated current (RMS)
22.7A
Maximum current (RMS)
Maximum 40A
Rated PV voltage
450Vdc
PV array MPPT voltage range
120Vdc~450Vdc
Maximum PV open-circuit voltage
500Vdc
Solar charging current
Maximum 80A
Product dimensions (mm)
682*183*770 / 682*183*1133 / 682*183*1133*2sets / 682*183*1496 / 682*183*1496*2sets
Weight (kg)
60 / 110 / 220 / 115 / 310
Protection
Over-charge, over-discharge, over-current, short-circuit and over-temperature protection
Noise (dB)
<40 dB at <30C (1 m)
Operating temperature 2
-23C~+65C
Humidity
0-95% (non-condensing)
Altitude (m)
<6000
Efficiency
92.0%
Warranty
Hybrid inverter 5 years / LFP lithium battery 8 years

Questions before quotation

Are all YEL configurations rated at 10 kW?

No. The base inverter is rated at 5.5 kW; only selected configurations use the optional two-unit parallel architecture.

How is YEL different from YE?

YEL emphasizes modular and optional parallel configurations, while YE is positioned as a single 5 kW-class system with 10.24–30.72 kWh storage.

What information is required for a parallel YEL system?

Provide target total output, load types, battery capacity, site voltage and PV conditions so the parallel configuration can be checked.

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