Observed arrival · 2026-09-30
Amp & Sun turns off-grid loads into a power budget
An interactive simulator estimates daily energy use, battery capacity, solar generation, and inverter needs for RVs, vans, and other off-grid setups.
- For
- RV, van, and off-grid system planners
- Worth noticing
- Its sample appliance list includes a CPAP machine, Starlink, and a 13.5k BTU RV air conditioner, with wattage and runtime controls.
Field notes
The controls distinguish battery chemistry and seasonal peak-sun hours, while each appliance can be toggled and tuned by wattage and daily runtime. The output includes a battery-bank recommendation, a solar-generation target, and an inverter requirement when AC loads are selected. Amp & Sun cautions that shading, wiring losses, temperature, battery age, and appliance duty cycles can change real-world performance, and advises confirming system sizing and installation with a qualified electrician.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue