How To Fix Jaybird X3 Battery

How To Pick Out The Best Battery For a Solar Panel System, Battery Bank, or Off-Grid System

Or have you wondered what makes one deep cycle battery greater 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 the buck)!

When picking a battery (or batteries) to your solar panel system, there are three categories of batteries which work best.    We’ll do this in 2 parts:

Part 1)   Quickly compare the three chief kinds of solar batteries (lead acid, saltwater, and lithium).   And,

Part 2)   Compare the components of batteries, such as: depth of discharge, power and capacity, efficiency, battery life, and maker.

By the conclusion of the article you will know exactly how to pick the best battery for your own solar panel system!

So let’s begin…

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 sort of battery that will fit your system.

They’re also among the longest-used and most dependable batteries in existence.  Compared to the other batteries we’ll discuss in this report; they’re the cheapest option but you exchange cost for some battery life and depth of discharge.  But for homeowners needing a great deal of storage for a lesser price, or whether you are just making the transfer to a solar panel system, lead acid batteries might be a very good option.  They’re the type of battery we use in the majority of the battery banks within our solar panel systems.

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 stay both somewhat untested and more difficult to come across.  Of the 3 kinds of batteries, saltwater has the greatest depth of discharge, so you’ll find the most output per fee 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 choices, the lithium battery is probably the highest rated, but also the most expensive.  A good example of a lithium ion battery is the Tesla Powerwall.

Part 2) Assess the elements 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 elements to explore to find the perfect battery for your system.  

Cost

Price is probably one of the more obvious components.  But the old saying,”you get what you pay for” holds true when buying batteries also.  Sometimes though, certain batteries could be overkill for your system so the most expensive battery may not be the ideal choice always.

Battery Life and Warranty

For many systems, a battery will cycle daily, meaning it is going to drain and charge regularly.  With each cycle, the battery’s ability to hold the same charge lessens slightly.  So 1 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 application, you can extend the life of your batteries.

Length of Discharge

Length of release is how much you can drain the battery before needing to recharge the battery without damaging its life.  Particular solar batteries may be depleted farther than others, allowing for more use between charging.  Basically, a battery with a 90% depth of discharge per cycle provides more battery power per charge compared to 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 that a battery can provide at a certain moment.  A battery with a high capacity and high power can run a massive system for several hours; a battery with low capacity and high power can operate a large system but just for a brief 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 control and efficiency compares the energy taken to control a battery together with the amount of energy that the charged battery generates.  The higher the efficiency, the more cost-effective the battery.

Manufacturer

This might not be a component most would consider, but it is something to focus on.  As with other technology, there are both reputable brands and startup brands.  A trusted brand includes known flaws and benefits; a startup brand can perhaps have better technology, but could also have unknown technological issues.  Depending upon your system demands, you may decide to go with a well-reviewed firm or one that is brand new to the market.