22 Years' Battery Customization
Jan 12, 2021 Pageview：467
The multi-stage battery charger is like the custom battery chargers that customize and adapt themselves to the requirements of the battery for ensuring efficiency in charging and having a higher battery life.
Also referred to as the smart chargers these are extensively used for the highly expensive lead-acid batteries to ensure that they can last you for several years at a stretch. Ideally one should only use the multi-battery chargers for charging all batteries.
This is why they have been termed as multiple battery chargers that can charge multiple types of batteries such as nickel-cadmium batteries, nickel-metal hydride batteries, lithium-ion batteries, and of course the expensive acid lead batteries.
the advantage of using multi-charger batteries is that they can adapt and sense the battery requirements and change the charging mode appropriately to ensure maximum battery charging efficiency that is both power saving to you and also ensure that the life and durability of the battery are increased.
See there are different types of multi-chargers available and one should be prudent o choose the type of multi-charger based on the size and type of the battery. The concerns should be placed on the amps of current on the output port and the output voltage and whether it is capable for your multi-charger voltage required to charge the multiple batteries
The advantage of using the multi-charger or the smart chargers is that they can charge the battery accordingly in three significant steps.
Thus you can ensure the maximum efficiency of your power outage and also ensure that the charging batteries or even the device do not overheat.
As previously mentioned that a multistage battery charger has various charging processes that ensure the battery charging process efficiency.
This ensures that the battery life is durable and long enough while also ensuring neither the charger nor the battery charger overheats thus saving a lot of output power and current as well.
It ensures that the battery does not get overcharged. For this the battery charges in different modes at different times.
Here we will see the three basic steps that are there in the multi chargers. Any multi-charger would have these three steps involved while charging the battery.
The multi-charger is capable of switching over from the CC-CV mode automatically depending on the needs of the device. It makes use of various microprocessors that have some two to five stages of regulated charging.
With the two-stage multi-charger, you have two stages of bulk and float. Now don’t worry as you might not be knowing these terms as we will explain to you in deep about these terms later within this section only.
Sometimes the multi-charger also has a recovery stage. If you are using highly expensive lead-acid batteries it is the worst possible idea to make use of a constant power supply source to charge the batteries.
Do you know that this almost guarantees that your batteries are gradually but surely dying with every instance of overcharging?
You might forget to switch off the power supply source as you are busy with your work. This will eventually lead to the overcharging of the battery and thus the battery gets overheated leading to the depletion of the battery life.
Here are the three stages of the charging process that is commonly used by all the three-staged multi charging devices-
Bulk Stage
This is the stage that contributes to 80% of the battery charging. In this stage of charging a constant current 25% of the aH rating of the device or battery is being used to charge the device.
e.g. in the case of a 100 maH battery 25 amps of current are what you get as the desired output current to charge the batteries.
Although you can increase the output current further by 25% to decrease the charging time for lesser charging time this is not a wise thing to do. Also, it is not specified to increase the output current more than what the battery is capable of.
You should check out the charging instruction in the manual of the battery to ensure the best charging conditions for your expensive lead batteries and also know about the requirements of your battery.
Absorption Stage
This is the stage when the remaining 20% of your battery is being charged. In this stage, the charger is ensuring a constant supply at a low absorption voltage depending on the battery source and the charging options.
The current consumption at this stage is gradually minimized ensuring that the battery slowly reaches the full charged stage.
Float Stage
This is one of the specific stages of a multi-battery charger that you don’t necessarily get with the normal constant voltage supply chargers.
When your battery has been almost fully charged the charger feeds current at almost one percent of the battery output. Thus you can leave out the battery at this stage forever without causing any damage to the battery. The float stage is the stage that prevents overheating and overcharging of the batteries both of which are harmful to your batteries.
of course, you can use one charger to charge multiple batteries. for this, you can set up the batteries in two connections that are in series connection and one in parallel connection.
But make sure that all the batteries being used have the same input and output voltage to ensure that the current flow stays uniform along the circuit and that there is no instance of overheating the external charger circuit or the batteries.
Different batteries depending on the type of their build might also need separate chargers based on the maximum input parameters of voltage and current that they can tolerate.
Well, this is similar to exactly the way you will charge any battery using a charger. Just place the batteries at the correct terminals of the charger and plug the charger into the power socket and turn the switch on. Even the chargers can work in your car as well.
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