Product Guides

Explore Techfine product guides covering solar inverters, MPPT charge controllers, LiFePO4 batteries, off-grid systems, and energy storage solutions.

All-in-One vs. Inverter + Battery Systems

As the global solar energy market continues to grow, all-in-one solar systems and battery-inverter systems have emerged as two of the most popular choices for residential and commercial energy storage. Each offers a unique approach to integrating solar power with battery backup — one focusing on seamless integration and ease

What is the Difference Between IP21 and IP65 Inverters

Understanding an inverter’s IP rating isn’t just technical jargon – it’s critical for ensuring your equipment survives in its intended environment. Two common ratings you’ll encounter are IP21 and IP65. Choosing the wrong one can lead to costly failures. Let’s break down what these codes mean and why the difference matters, especially

How to Connect Solar Inverter to Wi-Fi

The inverter is installed, the panels are producing, and the app shows nothing. If that’s where you are, this guide will get your Techfine solar inverter onto Wi-Fi in about ten minutes: download the Solar of Things app, register, run Wi-Fi Configuration over Bluetooth, and bind the device. We also

How to Read Solar Inverter Display

An inverter display answers three questions: where is the power coming from, where is it going, and is anything wrong. Learn to read those three layers (LED lights, live numbers, and fault codes) and you can diagnose most issues in under a minute, often without opening a manual. This guide

Complete Overview of Solar Inverter Protection

When investing in a solar system, people often focus on panels and batteries—but it’s the solar inverter that quietly does the heavy lifting. It not only converts DC to AC but also acts as the system’s watchdog. Without built-in solar inverter protection, you risk damaging the entire setup and compromising

How to Size an MPPT Solar Charge Controller for Your System

Pick an MPPT charge controller one size too small and it will spend every sunny afternoon limiting your array’s output, wasting the panels you paid for. The sizing math takes two minutes. Divide your solar array wattage by battery bank voltage, add a 25% margin, and round up to the

How to Choose a Solar Charge Controller for Your System

Solar power systems are an excellent investment in sustainable energy, but their efficiency depends heavily on choosing the right components—especially the solar charge controller. If you’re wondering how to choose a solar charge controller, this guide will walk you through key considerations to ensure optimal performance and longevity of your

Best Solar Inverter for Home Use

Choosing the best solar inverter for home use depends on your household energy needs, battery setup, and whether you need backup power during outages. A reliable home solar inverter should offer high efficiency, stable output, smart monitoring, and compatibility with either grid-tied or battery storage systems. In this guide, we’ll

How to Set Up a Reliable 24V Solar Inverter System: A Step-by-Step Guide

Here is the rule that decides whether a 24V solar system works or fails on day one: series raises voltage, parallel raises capacity. Two 12V batteries in series make 24V. Batteries in parallel stay at 12V, no matter how many you add, and a 12V bank will not run a

Solar Inverter Problems and Solutions: A Complete Guide

Dealing with solar inverter problems and solutions can feel overwhelming, especially when your system isn’t performing as expected. Whether your solar inverter stopped working, keeps tripping the circuit breaker, or struggles with Wi-Fi connectivity, these issues are more common than you might think. The good news? Most of these problems

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