Guangzhou HearGrow Electric Co., Ltd.

Off-Grid Solar System Configuration

Sunshine

Average Sunshine Hour(according to the local average sunshine time)

Load

Rated Power W Load Working Time h Continuous Rainy Day Day Rainy Days Interval Day

Battery

Single Voltage V Number Of Series Battery Voltage V Depth Of Discharge %

Inverter

Conversion Rate % Load Working Power (max)/Inverter Rated Power %

MPPT Controller

Conversion Rate % Solar Array Power/MPPT Controller Rated Power %

Solutions

Load Required Power Generation(Per Day) 29.24 Wh

Solar Array Total Power 29.24W

Battery Nominal Voltage 20.83V Capacity 1.67Ah Full Charge Time 2Day Sustainable Working 2Day

Inverter DC Input Voltage 20.83V Rated Power (Min) 1.67W

MPPT Controller Voltage 20.83V Rated Current (Min) 1.67A

Disclaimyouers：

1. The above data is for reference only。

2. When the calculated result is invalid, please re-enter the correct parameters。

3. You can contact HearGrow for engineer services

This system is supported by https://www.heargrow.com/

On-Grid Connection

Site Environment

Floor Area M2 Solar Panel Area Ratio %

Sunshine

Average Sunshine Hour(according to the local average sunshine time)

Sell electricity

Unit price(kilowatt) $

Solar Panels

Power Generation Efficiency % Estimated Allocation Ratio %

Grid Inverter

MPPT Input Voltage VDC Output Voltage VAC Stand-alone Power W Conversion Efficiency %

Solutions

Total generating power 75000W Total generating power 0.0750MW

Total Power Generation(day) Kilowatt Sales revenue(day) $

Sales revenue(month) $ Sales revenue(year) $

Total Power Generation(day) Wh Total Power Generation(day) MWh

Total Power Generation(month) MWh Total Power Generation(year) 0MWh

Number Of Inverters 834台 Single Inverter Input Current 0.41A

Disclaimers：

1. The above data is for reference only。

2. When the calculated result is invalid, please re-enter the correct parameters。

3. You can contact HearGrow for engineer services。

This system is supported by https://www.heargrow.com/

Solar Panel Series And Parallel Recommendation

Solar Array

Rated Power W Estimated Allocation Ratio % Total Power W

Single Panel

Rated Power W Single Voc V Single Vmpp V

Battery Pack

Single Voltage V Number Of Series PCS Battery Pack Voltage V

MPPT Controller

Max. Input Voc V

Solutions

Number Of Solar Panels PSC

Solutions (Min Series)： Min. Series Number PCS Parallel Quantity PCS Solar Panels PCS Actual Allocation Ratio %

Solution (Max Series)：Max. Series Number PCS Parallel Quantity PCS Solar Panels PCS Actual Allocation Ratio %

Optimal Solutions：Optimal Series Number PCS Parallel Quantity PCS Solar Panels PCS Actual Allocation Ratio %

Disclaimers：

1. The above data is for reference only。

2. When the calculated result is invalid, please re-enter the correct parameters。

3. You can contact HearGrow for engineer services。

This system is supported by https://www.heargrow.com/

Battery Series-Parallel Configuration

Electricity Demand

Capacity Wh

Single battery/cell

Single Voltage V Single Capacity Ah Number Of Series Depth Of Discharge %

Solutions

Single Parallel Quantity 5.2PCS Battery Pack Capacity 520.8Ah

Single Total PCS Battery Pack Capacity 12500.00Wh

Battery Pack Rated Voltage 24V Battery Pack Capacity 12.500KWh

Disclaimers：

1. The above data is for reference only。

2. When the calculated result is invalid, please re-enter the correct parameters。

3. You can contact HearGrow for engineer services。

This system is supported by https://www.heargrow.com/

Solar module design (cell arrangement)

Component requirements

Power W
Rated voltage V Open circuit voltage V
Width（Wide） mm

Battery cell parameters

Rated voltage V Open circuit voltage V
Rated power W
Size lengthmm * Size widthmm Commonly Used Size
Horizontal spacing mm Longitudinal spacing mm
Border width mm

Solutions

Battery usage 60PCS
Number of series connections 60PCS Parallel quantity 1PCS
Total power 456.00W
Rated voltage 30.00V Open circuit voltage 36.00V
Rated current 15.20A Short-circuit current 18.24A
Number of long edges 10PCS * Wide edge quantity 6PCS
Minimum size of long side 1810.33mm Minimum size of long side 1175.00mm

Disclaimers：

1. The above data is for reference only。

2. When the calculated result is invalid, please re-enter the correct parameters。

3. You can contact HearGrow for engineer services。

This system is supported by https://www.heargrow.com/