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Inverter & Battery Maintenance

Install and maintain inverter backup power — and earn from Nigeria's NEPA problem

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About this course

Learn how inverters and batteries actually work, how to size a system to a real home's load, and how to install, wire and maintain it safely. You'll turn Nigeria's endless power problem into a steady skill — quoting jobs in naira, doing clean safe installs, and keeping clients' systems alive for years.

Every family tired of fuelling a noisy generator at ₦900 a litre is a customer waiting for someone who can design and install a quiet, reliable inverter system. That someone can be you.

What you'll learn

Course syllabus — 7 lessons

  1. Why every Nigerian home wants backup power — and how you earn from it11 min
  2. How inverters and batteries actually work13 min
  3. Sizing the system: load calculation that actually works14 min
  4. Installation and wiring safety — get this wrong and someone gets hurt14 min
  5. Battery care and maintenance — where the long money lives12 min
  6. Faultfinding: diagnose common problems without guessing13 min
  7. Quoting jobs and running the business13 min

Your project

Complete Inverter System Design for a Real or Sample Home

A single shared link or document containing the load calculation, the system and battery sizing, the install plan with safety notes, and an itemised naira cost quote for one home.

Certificates on Skillnaija are earned, not issued for attendance: you submit this project, it is graded against a rubric, and passing issues a certificate anyone can verify.

Frequently asked questions

Is Inverter & Battery Maintenance free?

Yes. Inverter & Battery Maintenance is completely free on Skillnaija. You need a free account to open the lessons, and there is no charge for the course, the project, or the certificate.

How long does Inverter & Battery Maintenance take to complete?

5 weeks · ~4 hrs/week. There are 7 lessons, about 2 hours of material in total. You learn at your own pace and your progress is saved.

Do I need any experience to start Inverter & Battery Maintenance?

Beginner-friendly. You can start from scratch — no prior experience is assumed.

What will I learn in Inverter & Battery Maintenance?

You will build practical skills in How inverters and batteries work together, Calculating a home's real power load, Sizing inverter capacity and battery bank, Safe wiring, earthing and fusing, Battery care and maintenance routines, Diagnosing common faults and faults safely, Quoting jobs and running the business. Every lesson is written for a Nigerian context, with examples drawn from how the work is actually done and paid for here.

Do I get a certificate for Inverter & Battery Maintenance?

Yes, but it has to be earned. You complete the course project — Complete Inverter System Design for a Real or Sample Home and submit it for grading. Passing the project issues a verifiable certificate; finishing the lessons alone does not.

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It's free, it's self-paced, and it ends with something you can show an employer.

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