Home Power Systems Deep Cycle Battery: The Best Batteries for Inverters

Deep Cycle Battery: The Best Batteries for Inverters


INVERTER-FOR-FACEBOOKInverter batteries are critical to the performance of an inverter power system. An inverter must run on at least one battery, because the power used by the inverter to supply your power requirement is drawn from a battery or set of batteries. The primary job of an inverter is to convert the direct current (DC) stored in the Inverter batter, to alternating current (AC) used to power electrical appliances.


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What is Deep Cycle Battery

Before we can address the deep cycle battery, we need to know exactly what we are talking about. A battery is anything which stores energy for use at a future time. When we talk about deep cycle batteries we can narrow this definition considerably. The energy stored in a deep cycle battery is electrical in nature therefore we can discount batteries that store heat, radiation or any other form of energy we can think of. This does not mean that all batteries that store electrical energy are deep cycle batteries. The batteries used to power flashlights, for instance, are single cell batteries, not deep cycle batteries. Deep cycle batteries are composed of multiple cells. Each cell has an anode, cathode and electrolyte solution. Deep cycle batteries use solid plates rather than sponge plates. They are designed to discharge up to 80% of their stored energy before recharging. Starter and marine batteries would fail quickly if they are


What  is an Inverter?

Inverters essentially are electrical appliances that primarily convert DC voltage to AC voltage usable on our electric appliances.Their function is an opposite of what rectifiers  do,which convert AC voltage to DC voltage.Inverters come in various capacities and brands,from as low as 500VA to 100KVA and brands common around here include Mercury,Su-Kam,Genius,Bluegate,luminous,Genius and others.Most of these inverters are quite efficient,their durability usually depends on how these quality brands are  installed and how well they are isolated from mains supply.Inverters do not produce electric energy on their own,thus every inverter uses a source of energy,mostly a battery bank or an array of solar panels.Most inverters that run from battery banks usually have inbuilt charging module which recharges the batteries at the availability of primary or generator power supply.Thus,an ideal inverter would ordinarily charge its batteries.An inverter-solar-panel system can also be connected such that the battery bank is charged by both the public power supply or generator and the solar panel array


Starting, Deep Cycle, Dry & Wet Cell

You must have heard these and more terms relating to batteries, in particular, with reference to inverters. What do they really mean and how does that affect your choice of battery type? Batteries are mainly used in automotive, marine, and deep-cycle applications. Automotive use batteries are starting batteries which provide a large jolt of starting current to start an engine. That may take up to 5% discharge, for that limited time the battery fires the engine up. While the engine runs, they have a limited role. They are not designed for deep discharge.

Deep cycle batteriesin contrast, are designed for deep discharge. They can routinely be discharged to as much as 80%. What that simply means is that the battery can drain, while in use, to as low as 20% charge, and get recharged again, repeatedly. That may harm a starting battery over several discharges, but the construction of a deep cycle battery enables it withstand such deep discharge over many cycles. That is why they are the ideal battery for power systems like inverters and solar power systems. While starting batteries will work in such use, they will offer less durability, other factors being equal. That a battery is the so-called “dry cell” or “wet cell” is not synonymous with whether it is deep cycle or otherwise. Flooded batteries or wet cell batteries are easily those with removable caps and electrolyte that dries up with time. The user is supposed to check occasionally to ensure that the cells have not gone dry. They require “topping” or the cells may be damaged if they dry up. What you may not realise is that the sealed, maintenance-free batteries are also flooded. A big problem with batteries is in being sure of what you are really buying. You probably just have to trust the vendor, unless you have a deep knowledge of battery technology. The durability of your batteries amy also depend on you, as it is easy to get them damaged. A large dose of overcharge can quickly damage the battery. Dried up battery cells could spell the death of your battery. Being careful with your batteries could save you untimely replacement of batteries. If you take to heart the importance of the battery support for your inverter, you will possibly make a better judgement of what to buy and how to handle it. That could save you lots of money.

Price And Availability

You can get your Inverter batteries on www.kara.com.ng at affordable prices



  1. Good morning sir, hope you are good? I will like to know the prices of the following items:
    1. battery charger for main engine 24v 20amps.
    2. battery charger for emergency 24v, 20amps.
    3. battery charger for jet secondary power 120v i/p 24v, 30amps.
    4. battery charger for jet secondary power 120v i/p 12v, 10amps.
    thanks assistant procurement officer.


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