Solar PV Calc - Solar Designer
Solar PV Calc - Solar Designer Summary
Solar PV Calc - Solar Designer is a free, with in-app purchases Android app in Tools by DarskeeWorks. Released in Mar 2026 (6 months ago). It has about 2.7K+ installs Based on AppGoblin estimates, it reaches roughly 363 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store last updated May 2, 2026
Recent activity: 114 installs this week (439 over 4 weeks) showing declining growth View trends โ
Solar PV Calc - Solar Designer SDKs Summary
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App Description
Design off-grid solar systems. Calculate panels, battery & MPPT controller free.
Solar PV Calc is a FREE professional solar power system designer and calculator.
Used by homeowners, solar installers, and engineers to size complete off-grid and
backup solar systems using real engineering formulas.
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โก WHAT YOU CAN CALCULATE
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โ Solar panel array size (Wp) from daily energy needs
โ MPPT charge controller amperage (sized by array, not load)
โ Pure sine wave inverter sizing with 25% safety margin
โ Battery bank capacity (Ah) at 50% depth of discharge
โ DC & AC circuit breaker ratings
โ PV string fuses and surge protection devices (SPD)
โ Complete safety equipment list
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๐ง KEY FEATURES
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โ Add household appliances with wattage, voltage & daily hours
โ 12V / 24V / 48V DC system support
โ Automatic current calculation (I = W/V)
โ Professional wiring diagrams
โ Complete materials shopping list with quantities
โ Step-by-step installation guide
โ Financial ROI calculator โ payback period & 25-year savings
โ Cable sizing & panel angle calculator (Advanced Tools)
โ Calculation history โ save and compare multiple system designs
โ Environmental impact โ COโ saved and trees equivalent
โ 100% offline โ works without internet connection
โ All data saved locally โ no account required
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๐ REAL ENGINEERING FORMULAS
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โข Daily Energy (kWh) = ฮฃ(Watts ร Hours) / 1000
โข Solar Array (Wp) = Daily kWh / (Peak Sun Hours ร 0.75)
โข Inverter (W) = Total Load ร 1.25
โข MPPT Controller (A) = Array Wp / Battery V ร 1.25
โข Battery Bank (Ah) = Daily Wh / (System V ร 0.50)
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๐ DESIGNED FOR THE PHILIPPINES
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โข 5 peak sun hours (Philippine average)
โข 230V AC, 50Hz standard output
โข 550Wp monocrystalline panel sizing
โข MPPT models available in the Philippine market
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โญ PRO VERSION (OPTIONAL)
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Go PRO with a single one-time purchase to enjoy a completely
ad-free experience. All features remain free โ PRO only removes ads.
Built by DarskeeWorks โ solar engineering meets mobile technology.
Note: This app provides educational estimates for planning purposes.
Always consult a certified solar installer before any actual installation.