Solar & Power Systems

Solar panels, batteries, charge controllers, and mains power for field and permanent deployments.

Current Draw & Power Budgets Understanding how much power your node consumes is the starting poin...

Battery Chemistry Guide Choosing the right battery chemistry for your deployment is critical. The...

Solar Panel & Charge Controller Selection Selecting the right panel and charge controller determi...

Sizing Your Solar System Proper solar sizing means the system produces enough energy to run indef...

Cold Weather Operation Solar power systems in cold climates face challenges that warm-climate sys...

Mains Power for Permanent Installations Where mains (AC grid) power is available, it is almost al...

Understanding your node's actual power consumption is essential for correctly sizing a solar syst...

A correctly sized solar system keeps your repeater running indefinitely with no maintenance — an ...

Goal Size your battery to survive N cloudy days, and size your panel to fully recharge that batte...

Why You Need a Charge Controller Solar panels produce unregulated voltage — a nominally "12 V" pa...