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Solar Battery
Solar batteries play a pivotal role in the world of renewable energy.
When the sun goes down each night or weather conditions limit available sunlight, a solar battery can enable sustainable renewable energy use at home and keep your power on even during local power outages.
If you are thinking about going solar or already have solar panels installed, a solar battery can enhance your energy independence. By storing excess solar energy, you will have greater control over your power consumption, reduce ongoing electricity costs, and lower your carbon emissions.
In this article, we outline the most common types of solar batteries and walk through everything you need to know to make the best energy storage decisions for your home or property.
Types of solar batteries & Use
Today, many homes and businesses have started to prefer lithium-ion solar battery technology to store energy safely and efficiently. Even though several other solar battery chemistries are available today, a lithium-ion-based system will almost always be the best overall storage solution for a home.
| Lead-acid batteries | Lithium-ion batteries | |
| Technologies | Flooded or sealed, AGM (Absorbed Glass Mat), Gel (Gelled Electrolytes) | Lithium iron phosphate (LFP or LiFePO4), nickel manganese cobalt (NMC), and more |
| About | The oldest and cheapest storage technology, such as batteries in combustion engine vehicles | Solar batteries with superior energy density, safety, efficiency, availability, and lifespan |
| Applications | Small DIY solar installations with a tight budget | Ideal for residential and commercial solar energy storage |
| Safety | Generally safe, but may become hazardous if handled incorrectly | The safest home solar battery technology available in the market, with built-in thermal management features |
| Maintenance | Often requires regular maintenance and upkeep | Minimal maintenance required outside of routine inspections |
| Performance | Moderate efficiencies, slow charging, and low depth of discharge (50% to 80%) | High efficiencies, fast charging, and high depth of discharge (80% to 98%) |
| Lifespan | Short (3 to 7 years), depending on the technology and upkeep | Medium to long (5 to 20 years), depending on battery chemistry and quality |
| Energy density, size, and weight | Low-density, bulky, and heavy | Dense, compact, and relatively lightweight |