Observed arrival · 2026-11-11
InverterPlan’s solar backup calculator
A free calculator sizes an inverter, battery and solar panels from the appliances you want to run, outage duration and town.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Households planning backup power or checking an installer’s quote
- Worth noticing
- The example plan sizes a Lagos family home for eight-hour outages with a 3.5 kVA inverter, 5 kWh battery and four 450 W panels.
Field notes
The appliance picker supplies typical wattage figures, while also letting users change quantities, operating hours or enter a custom load. Battery choices distinguish lithium from lead-acid, and the page recommends planning solar panels for the month with the least sun rather than relying only on a yearly average.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
$PaidCommerce or pricing visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue