Greenwatt Solar Products

Off Grid Solar System

Home Solar System Off Grid Solar System

Off Grid Hybrid 3.5kw 5.5kw Solar Power System with 5KWh Lithium Battery

Off Grid Hybrid 3.5kw 5.5kw Solar Power System with 5KWh Lithium Battery

A typical off-grid home solar system consists of solar panels, off grid solar inverter, battery bank, PV cable and mounting bracket, which all working together to harvest sunlight, store energy, and power household appliances independently from the grid. The Greenwatt 3.5kw and 5.5kw off grid solar system can support a small house with full day consumption.

  • Model :

    GW3.5K/5.5K-OFF
  • Type :

    Off Grid
  • Max. Output Power :

    3.5/5.5KW
  • AC Output Voltage :

    Single phase 230V
  • Battery Voltage Range :

    40~60V
  • Warranty :

    10 Years
  • Certificate :

    CE/ISO

Designed for self-sufficiency, the Greenwatt 3.5kw and 5.5kw off grid solar systems convert solar energy into electricity, store it in batteries for nighttime use, and provide clean, reliable power in remote or grid-unstable areasWith customizable scalability, off-grid PV systems ensure 24/7 renewable energy access, reducing reliance on fossil fuels while maintaining operational simplicity and low maintenance.

System Diagram

5.5kw off grid solar system

The Blackout-Proof Power Solution

When storms knock out grids, your lights stay on. Our all-weather solar systems deliver:
✓ 72-hour battery backup (enough to run fridge+AC continuously)
✓ Zero fuel cost - unlike noisy generators
✓ Smart monitoring via mobile app

Why 3,000+ Homes Choose GREENWATT Solar System:

  • Plug & Play installation (No electrical expertise needed)

  • Expandable from 3kW to 60kW as needs grow

  • 10-year performance guarantee

 

System Configuration 

 

Model
GW3.5K-OFF
GW5,5K-OFF
  630W Solar Panel
5 Pieces
9 Pieces
PV Combiner Box
1 Piece
1 Piece
Off Grid Inverter
3.5kW 1 Phase 
5.5kW 1 Phase
Lithium Battery
1 unti 51.2V 100Ah
1 unti 51.2V 100Ah
DC Cable 4mm2
100 Meter
100 Meter
MC4 Connector
2 Pairs
3 Pairs
Mounting System
Customized Based On Installation Roof/Ground

 

 System Components

High Efficiency PV Module

* Max Power: 600W-750W

* Technology: TOPCon/HJT/Bifacial

* Low temperature coefficient

* Upto 24% Efficiency

* Low BOS cost & LCOE

* Warranty: 30 Years

* Full Certification

 
5.5kw off grid solar inverter
Smart Off Grid Solar Inverter
* Up to 6 units in parallel
* Support remote monitoring
*Up to 99.9% MPPT tacking efficiency
* Max. PV charging current up to 100A 
* Support Li-ion battery BMS communication and BMS dual activation
* Comprehensive protection 
PV cable
DC Cable & MC4 Connector
* Cross Section: 4mm2, 6mm2 Optional
* Rated Voltage:1000VDC/1500VDC
* Rated Current: 55A,70A
* Colors: Black For STD, Red Optional.
* Lifetime:30 Years
mounting system
PV Mounting System
* Mounting Type: Tile Roof, Tin Roof, Flat Roof, Ground
* Metarial: Aluminum alloy, hot dip galvanized steel
* Wind Speed: 80M/S
PV combiner box
PV Combiner Box
* IP Rating: IP66
* Rated Voltage: 1000VDC
* Connection Type: M20,M25,MC4
* Rated Current: 16A,20A
Online Monitoring System
* Open station supports one-click installation and registration
* Problem support one-click dispatch and navigation
* Support full lifecycle data storage to ensure data security and reliability
 
5kw lithium battery

Long Life Lithium Battery

* Best Suitable for ESS off-grid/ Hybrid Solar System 

* >6500 Cycling time

* Intefrated Advanced BMS

* Wide Compatibility: Compatible with Leading Inverter Brands

* Parallel Connection to expand capacity


Project

off grid solar system

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A typical off-grid home solar system consists of solar panels, off grid solar inverter, battery bank, PV cable and mounting bracket, which all working together to harvest sunlight, store energy, and power household appliances independently from the grid. The Greenwatt 3.5kw and 5.5kw off grid solar system can support a small house with full day consumption.

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