Off-grid system calculator & instant quote — sized for Nigeria (₦). Enter the household load, get the full kit.
📁 Saved Quotes
① Daily Energy Use
Tip: motor loads (fridge, pump, AC) draw 3–6× their rated watts at startup — the inverter is sized for that surge automatically. Some appliances are rated in amps — switch the toggle and the app converts (W = A × V).
Sets the inverter size. Rough guide: add up your biggest simultaneous appliances.
From the meter / bill. Divided by 30 for the daily figure.
② Design Choices
Advanced assumptions & component specs
Quick panel pick:
③ System Design
④ Bill of Materials & Quote
Both Qty and Unit ₦ are editable — cable Qty is in metres. Untick an item the client already has to drop it from the price (still shown here); reduce a Qty and pick a reason. Tap Live ▸ for current prices.
ItemQtyUnit ₦Total ₦
Parts subtotal₦0
Install / labour (20%)₦0
Transport / logistics₦0
Total estimate₦0
Estimates only — verify final sizing & live prices before purchase. Built for off-grid / hybrid solar installs.
☀️ Gabtronix Solar Sizer · Naira pricing · Nigeria
📖 Guide & Glossary
💾 Save quote
☁ Cloud Sync
Your saved quotes sync across your devices automatically. Use the same password on each device to share the same set of quotes. Anyone with this password can see these quotes — keep it private.