SolarDesk

SolarDesk is a professional solar system design toolkit built for solar
installers, technicians, and off-grid enthusiasts. Every calculation runs
100% offline — no internet, no account, no subscription required.

━━━ SOLAR SYSTEM DESIGNER ━━━
Design a complete solar installation from scratch. Select your inverter
(normal or hybrid), size your PV array, configure your battery bank, and
get a full compatibility report in seconds.

• Inverter sizing — normal (off-grid) and hybrid configurations
• PV string design — series, parallel, and series-parallel wiring
• Voc string safety check against controller and inverter input limits
• Battery compatibility — C-rate check, voltage recommendation
• Charging time estimate based on peak sun hours
• Supports parallel inverter stacking
• Nigeria market inverter sizes: 1kVA, 2kVA, 3.5kVA, 4.2kVA, 5kVA,
6.2kVA, 8kVA, 10kVA

━━━ PV SYSTEM SIZER ━━━
Calculate your total solar array size with precision.

• Panel wattage and count configuration
• Series, parallel, and series-parallel string design
• System efficiency percentage adjustment
• Voc and Vmp input with live string voltage display

━━━ BATTERY BANK SIZING ━━━
Size the right battery bank for your system.

• Lead-Acid, LiFePO4, Li-Ion, and Gel chemistries
• Correct depth of discharge (DoD) per chemistry
• LiFePO4 sizing in kWh with 48V rack unit support
• Series and parallel bank configuration

━━━ ELECTRICAL TOOLKIT ━━━
Essential calculators for everyday electrical work.

• Power calculator (P = IV)
• Ohm's Law (V = IR)
• Energy and runtime estimator
• Resistor value calculator

━━━ CABLE SIZING ━━━
Size cables safely to NEC standards.

• NEC-compliant cable sizer
• Voltage drop calculator
• AWG wire reference chart

━━━ WHY SOLARDESK ━━━
✔ 100% offline — works on site, no signal needed
✔ Built for Nigeria's solar market
✔ Real engineering standards (NEC 690.8)
✔ No ads, no subscriptions, no data collection
✔ Fast, clean, dark interface designed for field use

Whether you're quoting a job, verifying a design, or learning solar
engineering — SolarDesk gives you the tools to get it right.