20kW+ off grid solar system for home, commercial and industrial use. Equipped with 595-720W PV panels (25-year warranty, 20% max efficiency, anti-corrosion), 6500W multi-voltage inverter with 99.6% max efficiency and WIFI/RF function, and optional 16KWh box storage battery.
Custom all-aluminum brackets fit roofs, ground, carports and walls. Full customization on panels, brackets and layout to match your power demand and budget. Complete with 4mm² PV cables and MC4 connectors for stable off-grid power supply.
Order(MOQ) :
50Payment :
T/TProduct Origin :
chinaColor :
Black and WhiteLead Time :
fifteenOff Grid Solar System
System Overview

Specifications of the products
| Item | Product | Description | Qty |
| 1 | Photovoltaic panel | 595-720W | 8pcs |
| 2 | inverter | 6500W/12V/24V/48V | 1spc |
| 3 | Box-type energy storage battery | 16KWh/51.2v 300AH | 1pc |
| 4 | Photovoltaic bracket module | Flat-tiled roof layout | Configure on demand |
| 5 | Photovoltaic system bracket | Configure on demand | Configure on demand |
| 6 | Positive and negative cable | 4² red and black double lines 2 sets of MC4 connectors | Red and black pieces are 50 meters apart, with black pieces spaced 100 meters apart. |
Photovoltaic panel
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• 25 years Warranty • Highest conversion efficiency of 20% • Anti-reflective and anti-soiling surface power loss from dirt and dust • Excellent mechanical load resistance • PID Resistant,High salt and ammonia resistance |
Photovoltaic system bracket
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• Residential roof(Tilt roof)
• Commercial roof(Flat roof&workshop roof)
• Ground solar mounting system
• Vertical wall solar mounting system
• All aluminum structure solar mounting system
• Car parking solar mounting system
• Aluminum components lateral pressure assembly Medium voltage component |
Inverter
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• 5-10 years warranty • Max.Efficiency 99.6% • Integrated DC switch for added safety protection • Power factor continuously adjustable • Transformer-less design and high power density • Flexible communication connection,support RF WIFI |
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Positive and negative cable
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• PV cable 4mm2/6mm2/10mm2,etc • AC cable • DC/AC switches • DC/AC breakers • MC4 connector • AC/DC Combiner box • AC distribution box |
A: Hybrid solar system combines PV modules, hybrid inverter and battery energy‑storage unit. It can connect to public grid and also work in off‑grid mode. It stores surplus solar power into batteries for night‑time or grid‑outage usage. It is widely applied in residential houses, commercial buildings, remote sites and solar‑storage integrated projects.
A: Solar PV panels, hybrid inverter, lithium‑iron‑phosphate battery pack (BESS), BMS battery management system, solar mounting brackets, DC combiner box, AC distribution cabinet, surge protection devices, cables and metering devices.
A: During daytime, PV panels generate electricity. On‑site loads consume power first. Excess energy charges battery packs. If batteries are fully charged, surplus power can export to grid. When sunlight is insufficient or grid power fails, batteries discharge to supply local loads. It supports both grid‑tied and backup off‑grid operation.
A: Standard on‑grid system cannot run during grid blackout. Hybrid system with battery storage provides backup power when grid is down. Hybrid system has higher initial investment, but improves self‑consumption rate of photovoltaic power.
A: Residential hybrid: 3kW‑15kW inverter, 5kWh‑30kWh battery. Commercial hybrid: 20kW‑500kW inverter, 50kWh‑1MWh+ battery. Capacity matching shall consider local solar irradiance, daily load consumption and backup‑power demand.
A: 1. Grid‑tied mode: normal grid connection, charge battery by PV or grid, export surplus power. 2. Backup / off‑grid mode: island operation when grid fails, battery and PV supply critical loads. 3. Peak‑shaving mode: charge battery at low‑tariff grid time, discharge during high‑price‑peak hours to cut electricity cost.
A: Over‑charge / over‑discharge, over‑current, short‑circuit, over‑voltage / under‑voltage protection, anti‑islanding, insulation monitoring, surge & lightning protection. Battery BMS manages cell status; emergency‑stop button is equipped.
A: PV array installs on rooftop or ground‑mount brackets. Battery cabinet needs well‑ventilated, dry indoor or sheltered outdoor space. Require professional wiring and reliable grounding. Installation shall comply with local electrical safety codes. Building load‑bearing capacity needs confirmation for rooftop projects.
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Hotline +8615859279267
E-mail info@xmroi.com
Address No.1504, Building B08, Phase lll, Software Park, BRlCS Future Innovation Park, Chengyi North Street, Jimei District, Xiamen, China.
Tel: +8615859279267 Email: info@xmroi.com