Convert watts to amps (W to A) with our conversion calculator. Easily calculate amps using watts at common AC and DC voltages.| Footprint Hero
Convert watt hours to amp hours (Wh to Ah) with our conversion calculator. Quickly calculate the amp hours of a battery.| Footprint Hero
A definition and overview of Standard Test Conditions (STC) for solar panels, including cell temperature, solar irradiance, and air mass.| Footprint Hero
Learn the differences between PWM and MPPT solar charge controllers, and find out whether a PWM or MPPT controller is right for you.| Footprint Hero
Learn how to connect a solar panel to a battery in 5 steps with our step-by-step videos. Charge 12 volt batteries and higher with solar power.| Footprint Hero
Hands-on reviews of 5 of the best cheap PWM solar charge controllers in 2024 from top brands like Renogy and Morningstar.| Footprint Hero
My hands-on reviews and test results of 5 of the best MPPT solar charge controllers available -- from brands like Victron, Renogy & EPEver.| Footprint Hero
Calculate how long it will take your battery charger to charge your battery with our free battery charge time calculator.| Footprint Hero
Use our battery capacity calculator to convert your battery capacity from watt hours to amp hours (Wh to Ah) or amp hours to watt hours (Ah to Wh).| Footprint Hero
Calculate peak sunlight hours for your location (city, address, or zip code) with our free peak sun hours calculator.| Footprint Hero
Calculate the best tilt angle for your solar panels based on your location (address, city, or zip code) with our free solar panel tilt angle calculator.| Footprint Hero
Find the best direction to face your solar panels for your location (city, zip code, address, lat/lon) with our solar panel azimuth angle calculator.| Footprint Hero