How Do You Create a Fair Comparison Chart for Portable Power Stations?

  A fair portable power station chart compares the same type of value in every column: base-unit capacity, continuous output, stated surge behavior, AC voltage, charging limits, expansion range, we...

Which Devices Should Get Backup Power First During an Outage?

During a power outage, protect health and safety first, then communications, refrigeration and essential household equipment. Lighting, phones and medical or accessibility devices normally belong i...

Official Security Notice: How to Identify Authentic OUPES Products and Avoid Fake Websites

At OUPES, consumer safety, satisfaction, and transparency are our top priorities. Recently, our security team identified unauthorized, fraudulent websites (such as oupespowers.com and other...

1. What is Direct and Alternating Current?

Explain the two ways that electrons move,  and how they are used in our daily lives.

2. What are Volts, Amps, and Watts?

An explanation of volts, amps, and watts, and how to calculate electricity with them.

3. What is Parallel and Series Connection?

An explanation of parallel and series connections, and how they affect solar systems.

4. The Main Parts of A Solar System

An introduction to the components in a solar system, and how a solar system works.

5. How to connect these components safely and efficiently

Explain the uses of wiring and fuse in a solar energy system, and how to choose their size.

6. 12V, 24V, and 48V: Which Voltage Is Best for Your Solar Power System?

How to calculate your energy needs and loads, and the differences between various voltage solar systems.

7. Main Types Of Solar Batteries

Features of different battery types and how to choose the suitable one.

8. Two Major Types of Solar Charge Controller

Difference between PWM controllers and MPPT controllers, and which one to choose.

9. Two Main Types of Inverters

Difference between MSW inverters and PSW inverters, and which one to choose.