PVSizer
Android app by PallaS. Productivity · PallaS
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Not listed in captured metadata
- Version
- 1.0.0
- Listing last refreshed
- 2026-09-16
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Store description excerpt
PVSizer is the ultimate off-grid solar system calculator and design tool built for solar installers, electrical engineers, EPC contractors, and DIY enthusiasts. Plan, size, and estimate complete solar energy systems in minutes—from appliance loads to professional PDF proposals. Whether you are designing an off-grid cabin power system, sizing a backup battery bank, or generating customer quotes in the field, PVSizer simplifies complex solar math into an intuitive, 4-step workflow. Key Features • Comprehensive Appliance Load Calculator o Built-in database of standard household and commercial appliances. o Customize duty cycles, continuous wattages, and motor surge multipliers. o Separate tracking for AC appliances and direct DC loads. • Battery Storage Sizing Engine o Support for Lithium ($\text{LiFePO}_4$), AGM, Gel, and Lead-Acid chemistries. o Configure Days of Autonomy, target Depth of Discharge (DoD), and inverter efficiency. o Automatic system voltage recommendations ($12\text{V}$, $24\text{V}$, or $48\text{V}$) to minimize wire loss. • Solar Panel Array Sizer o Calculate required PV array wattage based on local Peak Sun Hours (PSH). o Fine-tune solar output using custom derating factors (dirt, wiring, tilt, and temperature losses). o Instant panel quantity recommendations based on module wattage. • Inverter & Surge Matching o Automatically calculates simultaneous continuous loads with safety margins. o Evaluates peak starting surge requirements for heavy inductive loads (pumps, air conditioners, compressors). • Professional PDF Proposals & BOM Export o Generate downloadable, client-ready PDF summaries on the go. o Includes a detailed Bill of Materials (BOM) with itemized equipment counts and specs. o Add client details, project metadata, and engineering notes. • 100% Offline Capability o Designed for field engineers—run complete system calculations and export reports without an internet connection. Who Is PVSizer For? • Solar Installers & Sales Teams: Create instant, professional proposals for clients on-site. • Electrical Engineers & Contractors: Verify string sizes, battery bank capacities, and surge ratings quickly. • Off-Grid & RV Enthusiasts: Safely size solar setups for vans, cabins, boats, and off-grid homesteads. Eliminate spreadsheet errors and streamline your solar engineering workflow. Download PVSizer today and design your next solar system with confidence!
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