Design and Installation
Batteries and Storage

Battery Capacity - The Basis of Storage - Self Study

by Christopher LaForge • Last updated 02/2021

4.4/5 (view ratings)
3964 students
1 module
41 minutes
5 assignments

Course description

Students who enroll in this free 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

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Full course outline

Module 1 - 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.

  • Battery Capacity - The Basis of Storage (41:50 minutes)
  • 1-hour Q+A Call Recording (.mp3)
  • Article: Battery Backup Basics for Solar PV by Christopher LaForge


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... Learn more


756 reviews

3,964 students have taken this course

by Tenarion Strange 09/13/2022

very helpful

by mohamed Helmy 09/09/2022

اشهد بان الدوره ممتاز جدا

by Doug Palmbach 08/26/2022

For anyone without or with little knowledge on batteries and storage , it is a great course.

by Mattie Hinz 04/21/2022


by Omar Ibrahim, Engineer , Techno sun lb 02/28/2022

Great explains

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Frequently asked questions

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 group.

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