May 14, 2010 AT 12:20 pm
Estimating battery charge time from solar
Jeff writes –
You have a
2 Watt, 6 Volt panel and a 1,000 mAh, 3.7V battery, how long does it take to completely charge? The quick and very wrong answer would be to figure out the Watt hours of the battery (3.7 * 1Ah = 3.7 Watt hours) and divide. The reality is about 2.5 times longer.
Join 6,000+ makers on
Adafruit’s Discord channels and be part of the community! http://adafru.it/discord
CircuitPython in 2018 – Python on Microcontrollers is here!
Have an amazing project to share? Join the SHOW-AND-TELL every
Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for
Ask an Engineer!
Follow Adafruit on Instagram for top secret new products, behinds the scenes and more https://www.instagram.com/adafruit/ Maker Business — Aquarium troubles: the cost of iteration and troubleshooting with a manufacturers abroad Wearables — Plastic gem know-how Electronics — Counting Pin Numbers Biohacking — Exploring Our Inner Reality : Entopic Visions Python for Microcontrollers — CircuitPython 3.0.0 Release Candidate 0 released!
Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at
No comments yet.
Sorry, the comment form is closed at this time.