The best comparison battery to use to understand the difference is a car battery. The difference between a deep cycle battery and a regular battery is that while a deep cycle battery can handle bigger loads over a longer period of time, regular batteries can handle bigger initial needs. If you’re going to be using and recharging your batteries often because you have a lot of appliances to power, deep cycle solar batteries are for you.ĭeep-cycle solar batteries are designed to handle repeated charging and discharging at a rapid rate. If you only want to power a few things in your RV or while you’re camping, the 6V battery voltage chart or our 24V battery voltage chart might be what you’re looking for. These might be a better fit for your needs. If you don’t think 48V batteries are going to work for you, have a look at our 52V battery voltage chart. This is useful because once you’ve calculated the voltage needed to power your home, you can establish the minimum voltage batteries needed to store the power your panels create. They can give you an understanding of how much voltage a battery can supply as its charge depletes. If you’re looking to power your home completely with solar, understanding battery voltage charts is the first place to start looking. This causes it to degrade over time, meaning you’ll need to replace your batteries more often, and this can get expensive. You also need to keep in mind that you shouldn’t use your battery beyond 50% of its capacity. The bigger your battery’s capacity, the higher your chances are of being able to go completely off-grid. The capacity of your battery dictates how much power you can store and use. Our solar panel voltage chart can help you understand this better. Secondly, your inverter converts the power to the correct format for your appliances and releases it without causing any power surges. If this didn’t happen, you’d only be able to use the power generated during daylight hours. The power can’t move directly from your panels to your appliances for a few reasons.įirstly, and most importantly, you need to store the power generated by your panels so that you can use it when the sun isn’t shining. Your panels need to be connected to an inverter through installed wires, and your inverter stores this power in batteries inside it. But how does that electricity get to your appliances to power them? This energy then creates an electrical charge that moves in response to an electrical charge inside the panel. Your solar panels are responsible for trapping the sun’s energy, and they do this using photovoltaic cells. In terms of solar power, battery capacity is important if you’re using solar to power your home. Have a look at the chart below to see how a battery’s capacity changes as it loses charge. This means there is nothing currently attached to it that can draw power out of the battery. The voltage output is based on the battery having zero load attached to it. 48V Battery Percentage ChartĪs explained above, the 48V battery percentage chart shows you the voltage output capacity of a 48V battery in relation to its current charge. The battery will have a voltage output closer to the advertised output as its charge decreases. For example, a 12V battery will have a capacity of around 14.6V when it’s fully charged.Īs the charge depletes, the voltage output of the battery gets a bit lower. Interestingly, a battery actually has a higher voltage capacity at full charge than the advertised battery. A lithium-ion battery voltage chart explains a battery’s voltage capacity compared to its charge.
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