Types of Batteries for Solar Power

Off-Grid:

If you live in an off-grid home most of the time, you’ll need a battery that can keep up with your power demands daily. Our suggesstion for the best overall battery for off-grid homes is the Discover 48V Lithium battery. It has long lifespan and is flexibility if you are to expand your system in the future.

Lithium batteries are a premium storage choice that has a longer lifespan that charges quicker than other battery types. Since they can do deeper discharges, you need less capacity. It’s easier to expand your system long term. Battery operates independently with its own internal Battery Management System (BMS.) The batteries can handle long periods of time without being charged.

The top value battery for off-grid is the Crown CR430 flooded lead-acid battery. Those who live off-grid tend to be more comfortable with DIY projects. If you don’t mind doing the occasional tune-up on your battery, this is a great choice. Crown is a reliable American manufacturer and is economical.

Off-Grid Vacation Homes:

You’ll need a battery that doesn’t need regular maintenance. A sealed AGM battery, the Crown 6CRV390 is a savvy choice. The lower capacity is fine because you don’t need year-round storage. These batteries are cheap as well. We’d also recommend the 415Ah FullRiver DC400-6 because it has slightly more capacity and a longer warranty at a higher price point.

Grid-Tied with Backup: If you have a grid-tied system with battery backup for emergencies, you’’ only use it when your power goes out. I recommend the same battery as above: the Crown 6CRV390 with a sealed AGM.

Storage & selling Energy: Energy storage permits you to store daytime energy and sell it to the utility company for a profit. I recommend the Enphase IQ Battery. It’s designed to store energy and sell back during peak use periods. It tracks usage rates and available energy storage to optimize the best time to sell excess energy back.

This protect you from changes in utility rates. This is a must if you live in an area with time of use rates (TOU), high demand charges, or no net metering. It’s easy to install and monitoring tools make this ideal for someone looking to resell the energy.

Batteries for RV, remote industrial & small off-grid use: For a light use cases like these, we recommend the Crown 6CRV220 sealed AGM battery. We’d recommend this battery for boats, and RVs, any application where space is minimal so you just need to power the essentials.

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