Smart Chargers that Charge Batteries in 6 Stages Now in India

word-imageEvery inverter owner would agree that they are fed up with problems in their batteries. However, before you start blaming the battery you should look at how ordinary inverters charge batteries. Most inverters in the market use age old charging technology which damages the health of your battery.

How Ordinary Inverters Charge Batteries in Just Two Stages

Ordinary inverters use old chargers which rely on two-stage charging technology.

First Stage – Bulk: In this stage, chargers in ordinary inverters suddenly give discharged batteries maximum charge with high current and voltage.

Second Stage – Float: Here the battery is brought into a state of 100% charge and the charge is maintained for a period of time.

Multi-stage Charging

The two stage charging became outdated as 3 stage charging was introduced. A further stage of ‘Absorption’ was added because it was seen that when battery was reaching from bulk to straight away ‘float’ then they were not able to hold the 100% charge and were getting overheated. Newer chargers could detect when the battery needed to be in absorption stage and automatically turned down the speed of charging so that the batteries do not get overheated while reaching 100% charge.

Currently, 3 stage chargers are used all over the world for charging batteries of cars, boats etc. It is widely recognized that ‘Absorption’ stage is necessary for proper charging of the batteries. Unfortunately in India inverters still use 2 stage charging.

Advanced 6 Stage Smart Charging Gets in Inverter for the 1st Time Ever

After 3 stage charging become popular experts researched further and came up with 3 more stages which gave birth to 6 stage charging. Initially 6 stage chargers were only used in external chargers for charging batteries of vehicles but Su-Kam for the first time in the history of inverters has introduced 6 stage charger in inverters.

Microprocessor Makes 6 Stage Charging Possible – Smart Chargers

Multi-stage chargers are called ‘smart chargers’ because they they are microprocessor controlled chargers. To make it absolutely simple, let’s think of microprocessor as brain of your inverter. This is where we feed all the software which helps governs functions of the inverter. If we have to instruct your inverter to charge in 6 stages then we need a good microprocessor.

Su-Kam is the only Indian company using latest generation micro-processors in its inverters. Similar microprocessor powers our tablets and smart gadgets. This why Su-Kam is able to make 6 stage charging possible by real time processing and analysis of data of the battery during charging and discharging mode.

What are the 6 Stages of Charging?

1. Desulphation:

Remember that wet batteries, which are commonly used with inverters, have sulphuric acid. Over a period of time sulphates get built up in the batteries so Desulphation stage removes the sulphates.

As ordinary inverter go into ‘bulk charge’ straight away the sulphate buildup doesn’t get removed which is harmful for the battery.


2. Soft Start

When batteries are discharged it is important that their voltage is built-up slowly. In the soft start stage, the vitals of the battery are checked – low voltage and current charge is given to them so that the batteries charge 15-20%.

On the other hand ordinary inverter begin by giving maximum charge to the battery as they do not have soft start. This sudden high current and voltage cuts short battery’s life.


3. Bulk Charging

After the sulphates have been removed and soft start stage gets over Su-Kam’s 6-stage charger gives maximum amount of charge to the batteries so that they get charged 80%.

word-image4. Absorption

The smart charger in Su-Kam’s inverter detects that the battery has reached 80% state of charge. It then begins the absorption stage. This stage takes the battery’s charge to one 100 percent by slowing down the charging current and voltage. This is one of the reasons why this stage is longest of all the stages. For example, when your fully discharged phone is put on charge it reaches first 20% very quickly but when it is on 70 or 80% then to reach 100% it takes a little longer. The same happens there.


5. Equalization

Next comes the equalization stage where high voltage is given to shake the electrolyte of the battery. This makes the electrolyte more efficient for charging so that the battery can hold the 100% charge.


6. Float

Finally the battery enters float stage where the battery is 100% charged. The charge is kept constant and maintained for a long period of time.


Why Six Stage Charging is best for Your Batteries?

Multi-level charging ensures that batteries are charged efficiently and quickly. Thorough charging ensures that batteries are never left over or under charged. This eliminates the need of frequent water topping. The life of battery increases by 6 months to 1 year.

You save money and get optimum back-up thanks to six stage charging.

Watch this video to understand how 6 stage charging works:

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Read More:

India’s first inverter that can be used with small batteries



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