What Should You Consider When Picking Up A Deep Cycle Battery?

You are excited at home depot, walking around and looking for a new battery to replace the old heavy Lead-Acid battery, and you walked to the Lithium-Ion section. There are dozens of brands and categories sitting there. You might get confused but don't worry, let's dig into it.


What is a Deep Cycle Battery?

Deep cycle batteries look like car batteries, you may have seen them somewhere, and you have a high chance to get confused about them since they are like twin brothers.

As a matter of fact, they are very different in terms of capacities and internal designs since they were designed to do other jobs. As a comparison, the car batteries are known as Starting Batteries, which only provide a short bursts electric current to the engine. However, deep cycle batteries are designed to provide stable and sustained power support over a more extended period of time.

You don't want to discharge the car batteries too much since the over discharges will severely damage the battery cells, causing cycle life reduction and potential dangers to the hardware. On the other hand, the Deep Cycle Batteries can be discharged up to 80%, the is a massive difference between, but it is still battery, you shall watch out the discharges.

Things that you should care

Voltage: make sure you will have the correct voltage selection for your battery pick-up. Lithium-Ion batteries should work with the invertor. You can check out your convertor to see what voltage of the batteries is at your range. There are some other factors that you should care about, such as the inverter specs and appliances power consumptions, etc. Make sure your battery voltage meets the invertor's requirement.

Capacity: With no question, battery capacity is one of the essential elements we should care about. It decides how much energy you can store at your facilities and the range of your discharges. In general, the higher, the better.

Cycle Life: Normally speaking, Lithium batteries support at least 2000 cycle charges, which is times higher than Lead-Acid batteries. Some manufacturers even claimed 6000 times cycle charges, so make sure you pick an excellent range for your batteries. Unlike Lead-Acid batteries, Lithium-Ion batteries are maintenance-free. You don't even need to move them around to keep them working.

Price tags: You can find a battery with the same spec at the price of $200 to $1000. It could be a massive confusion for you. If you are buying it online, make sure to check the reviews. One thing is certain, the value of money of the Lithium is way higher than the Lead-Acid considering the service lives of both.

Get it right, don't waste trying.


If you are currently looking at the batteries list, the Poweroad PRLC series is one of the shiniest stars you don't want to miss. The solid qualities, brilliant designs, stable performances——everything you dig out from it keeps telling you it is the one.

With the Poweroad PRLC series, you can just bring up your smartphone and open the app. Everything you want to know from the batteries is shown on the screen. It is 2022, who cares about the external monitor?

Moreover, when it comes to the wintertime, batteries will have a challenging time charging. You may want to heat them until it takes to charge. With Poweroad, the old days will be long gone. Poweroad PRLC series lineup carries an intelligent warm-up system. The BMS senses the temperature of the battery cells and converts the charging current to heat the batteries with the smart heat-up system, and it stops heating when it reaches 5℃/31℉. Connecting the ports is all it requires during the charges in the wintertime.

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