Have you ever wondered how to
pick out the best ezbattery battery(s)
for your solar panel system (or off-grid energy system)? Or have you wondered
what makes one deep cycle battery better than another? If so, this article will
answer these questions and give you specific things to check on before buying
your new battery (to ensure you get the most bang for your buck)!
When choosing a battery (or
batteries) for your solar panel system, there are three categories of batteries
that work best. So in this article we will:
Part 1) Quickly compare the
three main types of solar batteries (lead acid, saltwater, and lithium).
Part 2) Compare the components
of batteries, such as: depth of discharge, capacity and power, efficiency,
battery life, and manufacturer.
By the end of this article you
will know exactly how to pick out the best battery for your solar panel system!
So let’s get started…
Part 1) The Three Best Types Of
Batteries For Solar Panel Systems:
The best type of battery for
your solar panel system will depend on what you’re looking for. There are three
battery types that work exceptionally well; however, each battery type has pros
and cons. So the first decision to make is the type of battery that will fit
your system.
Lead Acid Batteries
Lead acid batteries are the
most commonly used rechargeable battery in the world. They’re also among the
longest-used and most reliable batteries in existence. Compared to the other
batteries we’ll discuss in this report; they are the cheapest option but you
trade cost for some battery life and depth of discharge. But for homeowners
needing lots of storage for a lower cost, or if you are just making the move to
a solar panel system, lead acid batteries may be a very good option. They’re
the type of battery we use in most of the battery banks in our solar panel
systems.
Another great thing about lead
acid batteries is that you can use the maintenance and reconditioning methods
we teach you in the EZ Battery Reconditioning program to greatly extend
lead-acid battery’s lifespan.
Saltwater Batteries
Saltwater batteries are more
expensive than lead acid batteries, but also have a greater lifespan. Unlike
lead acid batteries, saltwater batteries are essentially brand new to the
market and remain both somewhat untested and harder to come across. Of the
three types of batteries, saltwater has the greatest depth of discharge, so
you’ll get the most output per charge before needing to recharge.
Lithium Batteries
Lithium batteries are the most
expensive and the longest lasting of the three types of solar batteries. Their
depth of discharge is less than that of a saltwater battery, but more than that
of a lead acid battery. Comparing all three options, the lithium battery is
probably the highest rated, but also the most expensive. An example of a
lithium battery is the Tesla Powerwall.
Part 2) Compare the components
of batteries
Once you’ve picked the best
battery type for your solar panel or off-grid system (that meets your system’s
needs), there are components to explore to find the ideal battery for your
system.
Cost
Cost is probably one of the
more obvious components. But the old saying, “you get what you pay for” holds
true when buying batteries as well. In some instances though, certain batteries
may be overkill for your system so the most expensive battery may not be the
best choice always.
Battery Life and Warranty
For most systems, a battery will
cycle daily, meaning it will charge and drain regularly. With each cycle, the
battery’s ability to hold the same charge lessens slightly. So one component to
consider is the warranty on the battery that guarantees a certain number of
cycles of useful life. But keep in mind that if you use the maintenance and
reconditioning methods we teach you in the EZ Battery Reconditioning program,
you can extend the life of your batteries.
Depth of Discharge
Depth of discharge is how much
you can drain the battery down before needing to recharge the battery without
harming its life. Certain solar batteries can be depleted further than others,
allowing for more use between charging. Essentially, a battery with a 90% depth
of discharge per cycle will provide more battery power per charge than a
battery with less.
Capacity and Power
Measured in kilowatt hours
(kWh), capacity is the amount of energy a battery can store over time. The more
capacity a battery has, the more power it can store.
Power is how much energy a battery
can provide at a given moment. A battery with both a high capacity and high
power can run a large system for several hours; a battery with low capacity and
high power can run a large system but only for a short time.
Efficiency
Efficiency is the amount of
energy used compared to the amount of energy it took to store said energy.
Batteries require power to charge and efficiency compares the energy taken to
charge a battery with the amount of energy that the charged battery produces.
The higher the efficiency, the more cost-effective the battery.
Manufacturer
This may not be a component
most would consider, but it is something to pay attention to. As with other
technology, there are both trusted brands and start-up brands. A trusted brand
comes with known flaws and benefits; a start-up brand can perhaps have better
technology, but can also have yet unknown technological issues. Depending on
your system needs, you may decide to go with a well-reviewed company or one
that is brand new to the market.
Part 3) What happens when your
solar batteries start to die?
If you follow this article you
should be able to compare batteries and pick out the best battery for your
solar panel system’s needs.
But your new solar batteries
won’t last forever. So what can you do? …and what can you do when your
batteries actually die? Well, that’s where our battery reconditioning course
comes in! You can use it to bring nearly any type of dead battery back to life
again – including solar batteries, marine batteries, car batteries, forklift
batteries, plus many other types. If you’d like to watch a new presentation
about our course please visit http://ezbattery.us/
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