Off-Grid Energy Storage System
An Off-Grid Energy Storage System (OGESS) is a self-contained power solution that operates independently of the traditional utility grid. It is designed to store energy generated from renewable sources (such as solar panels or wind turbines) and supply electricity to homes, businesses, or remote locations without access to the main grid. These systems are critical for achieving energy independence, especially in rural areas, disaster-prone regions, or off-grid residences.
Key Components of an Off-Grid Energy Storage System
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Energy Storage Devices
- Batteries: The core component for storing excess energy. Common types include:
- Lithium-ion batteries: High efficiency, long lifespan, and low maintenance .
- Lead-acid batteries: Traditional, lower cost but heavier and with shorter cycles .
- Thermal Storage: Optional for systems integrating heat generation .
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Energy Conversion Equipment
- Inverter: Converts DC (direct current) from batteries/solar panels to AC (alternating current) for household appliances.
- Charge Controller: Manages the flow of energy from renewable sources to batteries, preventing overcharging.
- Converter/Charger: Provides backup charging via generators or grid connections .
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Energy Generation Units
- Solar Panels: Capture sunlight and convert it to DC electricity.
- Wind Turbines: Generate power from wind, often paired with solar for consistency.
- Hydroelectric Micro-Turbines: Used in areas with flowing water.
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Control System
- Monitors energy input/output, battery status, and system efficiency. Modern systems use smart controllers or IoT-based interfaces for real-time management.
PV module
Cell Type:Mono N-Type
No. of Cells:132pieces(6*22)
Module Dimensions:2382*1134*30mm
Weight:28.2KG
Pmax(W):625W
Vmpp(V):41.4V
Impp(A):16.61A
Voc(V):48.6V
Isc(A):17.54A
Lithium Battery(LFP)
Model:48V200AH
Size:440*602*250mm
DOD:80%
Life cycle:6000
Charge Voltage:56.8V
Discharge Voltage:44.8V
Max Charge/Discharge Current:50/100A
Design life:>10 year
Communication protocols):CAN,RS485
Safety Certificate:CE,TüV,IEC62619,UN38.3,ROHS
Product Feature:19 inch standardized design,3U height;
3.2V100AH square aluminum core,higher energy density;
Intelligent system control,more stable performance;
Extrusion design,longer life
Hybrid Storage Inverter
Specifications: 10KW/48V
Model: SEI-10K-SP
Number of units that can be paralleled: 1 to 6 units
Dimensions: 670440240mm
Weight: 37KG
Protection level: IP65
Operating temperature range: -25 to 60ºC, derating when the temperature is above 45ºC
Cooling method: Heat sink + intelligent air cooling
Warranty period: 5 years
Auxiliary materials
PV:PV1-F1*4mm²
Power distribution box:20KW
Auxiliary materials:Grounding, wire threading pipe, MC4 connector
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