Going off the grid to have an independent energy source is no longer in the future. You can achieve it with fewer steps than you imagine. If you have decided to install solar panels on your rooftop, then you already know that you need a solar battery to store the energy that you can use when the sun goes down or if the day is overcast.


You can find many pieces of information scattered around out there, and it can become decidedly overwhelming. Therefore, we have narrowed down the vital steps and products in this guide to help you select the correct solar battery for your home.

Solar Battery Terminology 

If you have made some research on solar batteries, you must have come across a few recurring terms on the way. We have discussed them in detail below.


  • Storage size or capacity: The capacity of a solar batteryrefers to how much energy it can store. The higher the KW (KiloWatt) per hour, the higher is the power of the battery.
  • Power Output: It refers to how much power it can discharge in one hour. Hence, the higher the number of kWh, the more equipments it can power.
  • Cycles: Cycles refer to the number of rounds of charging and discharging possible in that battery. A battery can degrade over time, but modern, cost-effective batteries should last up to thousands of cycles for longevity.
  • Depth of discharge: The depth of discharge refers to how much energy a battery can store and how much power it can deliver each time.
  • Operating temperature range: All batteries have an optimum temperature range where they can work efficiently. Solar batteries can be temperature sensitive. It may stop working below and above a specific temperature. According to where you live, you can select one suitable for your environmental conditions.


Types of Solar Batteries for Home

Among the types of batteries available in the market, lithium-ion batteries are the most common and widely used since they have good longevity with several thousand cycles and a wide range of operable temperatures. The types of solar batteries for your home are as follows.

  • LFP battery
  • Flow lead battery


Various companies produce lithium-ion batteries, and one variety of them is the lithium-ion phosphate or LFP battery. It is popular since it requires less amount of oxygen than others and is comparatively safer for households. Sonnen Battery is the most popular LFP battery in the market.

Flow batteries, on the other hand, use either zinc or bromide to produce energy. These are on the expensive side and require some maintenance over the years. These cost less than the lithium ones but need more time to charge.

Factors to Consider While Buying A Solar Battery

  • Size:Depending on the energy consumption of your home, you have to select the perfect size. You can find it within your budget, depending on how much grid independence you require.
  • Longevity:It is best to buy a battery that can last for at least ten years. It is best to select one that has a more extended warranty period.
  • Customer Support: You can avoid a hassle in the future if you select a brand with reputable customer support and good services. You can also get a warranty extension if available.
  • Subsidy: The government offers incentives(battery-rebate) and interest-free loans to urge people to install solar batteries in many places. You can check to see if you are eligible and apply for one.



An average household requires a solar battery with a 15 kWh power storage capacity. In addition, it is prudent to get one with ten years warranty period and the ability to work during a blackout. Considering these conditions, you can check out Sonnen Battery options since these fit the requirements almost perfectly.

Besides, a Sonnen Battery can last for up to ten thousand cycles and has a ten-year warranty for any problem that may occur. Sonnen is a trusted brand that has fantastic customer service and is also environment friendly. It gives 98% peak efficiency and an intelligent energy management software monitor to track energy usage.

You can get in touch with us to know more about Solar batteries and much more. You will make plenty of savings within ten years if you opt for a solar battery.

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