Shopping for solar batteries can be a bit overwhelming. Not only do you have to comb through all of the different battery compositions, comparing their pros and cons, but you’ll also have to research the different manufacturing companies, their warranties, reputation, and so on. Then, on top of that, you’ll have to look at each model of battery to choose the right one. In doing so, you’ll see a number of different measurements listed in the battery’s specifications. What do these numbers mean, and why do they matter when you’re choosing a solar battery? Keep reading to find out.
Capacity (Ah or kWh)
A solar battery’s capacity is usually measured in either ampere-hours (Ah) for smaller batteries and kilowatt-hours (kWh) for larger ones. These measurements refer to the amount of current that the battery is capable of delivering over the course of an hour. So, a battery with a capacity rating of 8kWh, it can provide 8 kilowatts of current for 1 hour, or 1 kilowatt of current for 8 hours. Understanding battery capacity and your power needs is crucial for determining which battery is right for your home.
Voltage (V)
Voltage measures the electrical potential difference between 2 points in a circuit; this number determines the battery’s operating voltage range. To put it in more common terms, a battery’s voltage shows you just how high of a load it can handle at once. Most solar batteries come in 12V, 24V, and 48V models. If you have a large solar system or need to be able to provide your home with high surges of power, you’ll want a battery with a higher voltage rating.
Cycle Life
A battery’s life is measured not in months and years but in the number of times it can be discharged and recharged again. You want a battery with a very high cycle life, as this means you’ll be able to get much more use out of it, regardless of what your power needs may be.
Depth of Discharge (DoD)
The final number to look at is depth of discharge, or DoD. This number refers to how much of the battery’s capacity it can discharge at once. The higher the DoD, the more of the stored energy you can actually use. So, a battery with 8kWh capacity and a 50% DoD can actually only give you 4kWh of power; a battery with the same capacity and a DoD of 90% can provide you with more than 7kWh of power. This type of battery, known as a deep-cycle battery, will also be much less likely to sustain damage due to over-discharging.
A deep cycle battery is a lead-acid battery designed to be regularly discharged then recharged again.
When selecting a deep cycle lead acid battery for your system, there are two primary types of batteries available, Flooded Lead Acid Deep Cycle Batteries and Sealed Lead Acid Batteries, AGM and Gel.
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Deep Cycle Batteries Industry research report delivers a close watch on leading competitors with strategic analysis, micro and macro market trend and scenarios, pricing analysis and a holistic overview of the market situations in the forecast period.
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