About this course

Students who enroll in this lecture will:

  • Be able to properly define battery capacity
  • Define amp-hours and watt-hours
  • Learn about the active elements of a battery and how they affect capacity
  • Learn how battery capacity is measured
  • Learn what discharge rates are, how they affect capacity, and how to convert one rate to another
  • Encounter the vagaries of the Peukert constant

Course outline

2 modules
1 - 2 hours to complete
42 minutes of video lectures
Module 1 • 5 assignments
Video, Resources, Call-In Information, and Questions

In this module, you'll watch the video lecture, check out the supporting resources, and download an MP3 recording of a 1-hour Q+A call with Christopher LaForge.

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Authors

Christopher LaForge

Certified Master Trainer (IREC), NABCEP Certified Photovoltaic Professional - Emeritus , Great Northern Solar

Christopher LaForge is the CEO of Great Northern Solar and a NABCEP certified photovoltaic installer-emeritus. He has been designing, specifying, and installing systems since 1988. He has been an instructor with the MREA since 1993 teaching Advanced Photovoltaic design and installation and is an ISPQ Affiliated Master Trainer. In 2016 he was named IREC's Master Trainer...

Brick Maier

Director of Enterprise Learning & Development, HeatSpring

I currently work on delivering tailored learning experiences that help partner teams solve problems faster. In a fast paced high change environment, training needs to be accurate, modular, and adaptable. I am developing programs that leverage the collective expertise of the crowd to vet and scale content to help teams apply what they learned in their role. I believe...

Frequently asked questions

Full FAQ
How does this course work?
This is a free course. Enroll today and get access to all of the materials instantly. The lecture video and other materials are available any time.
How long do I have access to the materials?
For free courses there is no guarantee for how long the course materials will be available.
Is there a certificate of completion?
Certificates of completion are only provided to HeatSpring Membership subscribers. This course has not been approved by any credentialing organizations (NABCEP, AIA, USGBC etc) for Continuing Education Credits (CEUs). This course is for self education purposes only and completion does not indicate a level of professional expertise or credential.
Can I register multiple people?
Yes, this is a free course so you can share this page with other people from your team.

Reviews

4.57
Based on 1347 reviews
6,447
students have taken this course
01/27/2026

Excellent for entry level

Piero Cola
01/21/2026
rawan b
01/07/2026
Luis A