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**Off-Grid Solar Power Systems**

Off-grid solar power systems, also known as standalone solar power systems, operate independently of any utility grid. These systems are ideal for rural areas where grid electricity is unavailable or prohibitively expensive. By installing an off-grid solar system, you can generate your own energy.

**Overview**

Off-grid solar power systems collect and store solar energy for use with household appliances. They typically range from 100 watts (for small systems) to 5 kilowatts (for larger, multi-family setups).

**Components**

Off-grid solar power systems consist of:

- **Solar Panels:** Collect solar energy.

- **Controller:** Regulates energy flow.

- **Battery Storage:** Stores the energy for later use.

These systems do not connect to the utility grid and cannot feed power back into it. Energy is stored in a battery bank and used as needed. The photovoltaic panels connect to an inverter, converting solar energy for appliance use.

**System Features**

- Available in sizes from 500W to 20kW

- All-in-one inverter and charge controller

- Integrated energy management with various operational modes

- Frequency isolation transformer for safety, quiet operation, and stability

- 110V/230V options, adaptive to 50Hz/60Hz

- Bypass option for electricity or diesel generator

- VRLA-GEL battery with long deep cycle life

- Flexible external battery configurations

- Easy installation and operation

- Quick delivery

- Free pre-sales technical support and customization

- Comprehensive after-sales service

**Typical Configuration**

- **Battery Standby:** 1 day (70% Depth of Discharge)

- **Total Energy Content (C10):** 19.2KWh (100% Depth of Discharge)

**Module Parameters**

- **Maximum Power (Pmax):** 200W

- **Power Tolerance:** 0~+5W

- **Module Efficiency:** 16%

- **Maximum Power Current (Imp):** 8.53A

- **Maximum Power Voltage (Vmp):** 30.5V

- **Short Circuit Current (Isc):** 8.95A

- **Open Circuit Voltage (Voc):** 37.6V

- **Dimensions:** 1640 x 992 x 40 mm

- **Weight:** 19Kg

**PV Combiner Box**

- **Model:** H4T-48

- **Max. PV Array Voltage:** 400Vdc

- **Max. PV Array Parallel Inputs:** 6

- **Rated Fuse Current:** 10A/12A/15A

- **Rated Breaker Current:** 63A

- **Surge Protection:** Class C

- **Input Wire Diameter:** Ф4~6.8 (PG-9)

- **Output Wire Diameter:** Ф14~18 (PG-21)

- **Protection Degree:** IP65

- **Temperature Range:** -25~+60°C

- **Humidity:** 0~95%

- **Dimensions:** 404 x 365 x 136.5 mm

- **Weight:** 7.5Kg

**Technical Data**

- **Battery Type:** VRLA-GEL

- **Rated Voltage & Capacity:** 12V 200Ah

- **Cycle Life (50% DoD @ 25°C):** 600 cycles

- **Cycle Life (30% DoD @ 25°C):** 1500 cycles

- **Total Energy Content (C10):** 19.2KWh (100% DoD)

- **Max. Output Power:** Approx. 3500W

- **Number of Block Batteries:** 24

**AC or Diesel Generator Input (Optional)**

- **Input Voltage:** 165Vac~275Vac/85Vac~135Vac

- **Input Frequency:** 45Hz~65Hz

- **Charge Current:** 12A

- **Charging Efficiency:** 88%

- **Input Protection:** Fuse or Circuit Breaker

**Internal Battery**

- **Max. Input Voltage (U DC Max):** 95V

- **MPP Voltage (U MPP):** 48V~76V

- **Max. Charge Current:** 10~60A (Optional)

- **Max. PV Power:** 2500Wp

- **Recommended PV Power:** 2000Wp (10 x 200Wp)

- **Number of DC Inputs:** 1

- **Independent MPP Trackers:** 1

- **MPPT Max. Efficiency:** 98%

**System Output**

- **Output Power:** 2000W

- **Output Voltage:** 230Vac

- **Output Frequency:** 50Hz/60Hz

- **Output Power Factor:** > 0.8

- **THD:** < 5%

- **DC Switch to DC:** < 8ms

- **AC Switch to DC:** < 20ms

- **Inverter Efficiency:** < 85%

- **Output Protection:** 150% overload, shutdown in 1 minute

**Other**

- **Recommended Operating Temperature:** 0~40°C

- **Relative Air Humidity:** 0~90%

**Warranty**

- **Module:** 10 years

- **Battery:** 2 years

- **Solar Charge Inverter:** 2 years

- **PV Combiner Box:** 1 year

**Certifications**

- Discover more about our certifications.

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