Inverter Not Charging? These Might be The Reasons

Inverter Not Charging? These Might be The Reasons


Imagining a life without electricity is near impossible nowadays. Living in complete darkness for even a few hours is unthinkable. That is the reason why inverters, be it solar, traditional, UPS, or anything else, have become an important part of our lives. But if you are having solar battery charging problems or the inverter battery is not charging, this could be a cause for concern. Below we have listed some of the answers to the question “why my inverter is not charging” and solutions for how to charge the inverter battery if it’s not working.

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​​Reasons Why Your Inverter is Not Charging

Dead Battery

If your inverter battery is not charging, one of the reasons could be that your inverter battery is dead and unable to hold any charge. If that is the case, then there is nothing that you can do other than replace it with a new battery. Thankfully, nowadays, you can buy an inverter battery very easily either online or offline.

Melted Fuses

Overcharging or overusing the inverter can lead to the fuse getting melted or blown off completely. Apart from this, short circuit or reverse polarity can also lead to your inverter or UPS battery not charging. In these cases, it is best to take advice from a professional and let them install a new one.

Also Read: How to Calculate Your UPS/inverter Battery Back-up Time?

Loose Connections

Sometimes, you might notice that the inverter main is on but it’s not charging. Even after you leave it to charge for a significant amount of time as well. This could be because of loose connections or no connections of the battery to the charging inverter. Switch off the inverter, check the connections once again and then switch it on to see if it’s working properly or not.

Burnt Rectifiers

Rectifiers are an important part of an inverter. They act as converters to convert AC into DC. If they get burned due to overuse or high heat or other reasons, the battery will stop charging right away. You should get the inverter looked at by a technician or a professional and get it repaired. Make sure that the internal circuitry is good, the cooling fans are working, and the inverter is not kept in a hot spot to avoid this problem in the future.

Tripped Inverter

If there is too much power being utilized by your appliances under the inverter load, it might cause it to turn off immediately. Don’t be alarmed by this, as it might be that the inverter has just tripped due to the increase in load. Just press the reset button present on the inverter after waiting a while and the power should come back.

Also Read: A Simple Guide to Smart Inverter Technology

Alarm Beeping Continuously

Due to overload or a stuck cooling fan, the temperature of the inverter could rise significantly, causing the alarm to beep continuously. At this stage, the inverter might stop working altogether. To fix this, turn off appliances being run on the inverter and let the inverter cool down. The fan should start working and the alarm will stop.

Also Read: Tips to Pick the Right Inverter for Expeditions

Corroded Battery Terminals

If due to moisture or water, your battery terminals somehow get corroded, it might not stop charging right away, but the power back up will shorten gradually. There are cleaning solutions available that can completely clean the terminals and make them like new once again. Try charging the inverter now and you shouldn’t be having any problems.

Also Read: Generator v/s Inverter Back-up: Pros and Cons

To wrap up, if your inverter is facing any problems or the inverter battery is not charging and if you live in a place where there are frequent power cuts, it might be essential to get it fixed. They are an important appliance for the modern home and ensuring that they work in proper condition is a priority.

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