>O6KL1D Off-grid Inverter

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Outdoor cabinet type energy storage system
Outdoor cabinet type energy storage system
Outdoor cabinet type energy storage system
Outdoor cabinet type energy storage system
Outdoor cabinet type energy storage system
Outdoor cabinet type energy storage system
Outdoor cabinet type energy storage system
Outdoor cabinet type energy storage system

Outdoor cabinet type energy storage system


  • Support flexible expansion of PV capacity.


  • Support simultaneous access to load, battery, grid, DG, and PV.


  • Support battery capacity and discharge time prediction.


  • Supports peak shaving and dynamic transformer capacity expansion.


  • Integrated EMS function, safe and stable.


  • Built-in isolation transformer, with strong load adaptability.

Description Inquiry Now
Model ESSA0030B-0055 ESSA0050B-0055 ESSA0050B-0100 ESSA0100B-0215
AC data
Rated power (kW) 30 50 50 100
Rated voltage (V) 400
Rated current (A) 43 72 72 144
Voltage range (V) 320V-460V
Rated frequency 50/60Hz
Frequency Range 45-55/55-65Hz
THDi(on-grid) <3%
THDu (off-grid) ≤ 1% linear; ≤ 5% non-linear
Power factor 1 (0.8 leading ~ 0.8 laging can be set)
Overload capacity 110% Long term
AC output 3W+N+PE
Isolation transformer 100/400 200/400 200/400 270/400
On -grid off-grid switching Support
PV data
Max.PV input voltage (V) 1,000
Max. PV power (kW) 60/120 60/120 60/120 120/180/240
MPPT operating voltage range (V) 250~850
MPPT full load voltage range (V) 450~850
Buck-boost mode Support
Battery data
Cell type 3.2V/120Ah/1C,LFP 3.2V/120Ah/1C,LFP 3.2V/280Ah/1C,LFP 3.2V/280Ah/1C,LFP
Nominal voltage(V) 460.8V，1P144S 460.8V，1P144S 358.4V，1P112S 768V，1P240S
Nominal energy (kWh) 55.296 55.296 100.352 215.04
Working voltage range (V) 403.2~511.2 403.2~511.2 319.2~397.6 672~850
Max. charge and discharge rate 1C@25℃ 1C@25℃ 0.5C@25℃ 0.5C@25℃
Cycles ≥3,800 ≥3,800 ≥5,000 ≥5,000
System data
Dimensions W *D *H (mm) 1,770*1,510*2,270 1,770*1,510*2,270 1,770*1,510*2,270 2,450*1,550*2,400
Net weight (kg) 2,000 2,200 2,400 3,900
Operating temperature (℃) 0 ～ +45
Relative humidity 0 ~95%（non-condensing）
Ingress protection IP54
Noise emission (dB) <75
Operating altitude (m) 3,000
Cooling Intelligent air cooling
Fire extinguishing system Aerosols/NVEC1230
Display Touch LCD display+cloud platform
EMS communication RS485，TCP/IP



SONEC POWER Premium Battery Storage Solutions Advanced Energy Storage for Latin America & Middle East Markets
Lifetime Support Promise
Buy Once, Service Forever
• Free lifetime technical consultation
• Global spare parts network (72hr emergency dispatch)
• Remote diagnostics via SONEC POWER App
• 10-year warranty extendable to 15 years
Military-Grade Safety Systems
5-Layer Intelligent Protection: BMS + EMS + Thermal Control
• Real-time monitoring of voltage/temperature/cell balance
• Auto-shutdown protection against:
- Overcharge/Over-discharge - Short Circuits - Temperature extremes (-20°C to 60°C)
• Active cell balancing technology
• 100% safety record with zero fire incidents
Premium Cell Quality
Engineered with Premium Grade A LiFePO4 Cells
• Sourced from Tier-1 suppliers (CATL/BYD equivalents)
• Rigorous 5-stage quality screening process
• Consistent performance across all climate zon
Choose our benefits

Save more installation, commissioning costs

Reduce the use of fossil fuels and be more environmentally friendly

Continuous and stable power supply

PV expansion will be more convenient in the future