Solar Battery Boxes

Safeguard Your System With a Solar Battery Box

Batteries are expensive, so why take any chances exposing them to the elements? UV exposure, weather, temperature swings, and physical damage are all real risks - but each of these disappears when you use a solar battery enclosure.

We’ve handpicked the best solar battery box selection online, featuring models from Sunwize, Solar Rackworks, DPW, and MidNite. You’ll gain access to sizes for Group 27/30, Group 31, L16, 4D, and 8D batteries. And our team is always available to help you narrow it down to the right fit.

Every enclosure you see on this page is meticulously crafted from aluminum. They’re rated to NEMA 3R standards so you can rest assured they’re built to withstand rain, sleet, and ice. There are even insulated solar battery enclosures if you’re worried about battery performance plummeting in freezing temperatures. 

You can install these boxes for solar batteries via ground or pole, and they’re all pad-lockable for peace of mind as well. Whether you’re just adding one of these to your array or still need to purchase your solar panels, take the next step at The Solar Store! 

Why Buy Your Solar Battery Enclosure From The Solar Store? 

Whether you're housing lithium iron phosphate batteries or a sealed AGM battery, the Solar Store has the ideal solar battery box to protect your investment and ensure your system runs smoothly no matter what Mother Nature throws your way.

We’ve been the #1 choice for all things solar for more than 20 years now. You can rest assured you’re buying durable products sourced from reliable manufacturers, and backed by world-class customer service. No matter what it is you’re purchasing from us.

Get in touch today for personalized support and let our experts help you pinpoint the perfect enclosure for your solar batteries. See for yourself what separates The Solar Store from other retailers! 

Frequently asked questions

Are battery boxes worth it?

Yes - not only does it protect your investment, but it grants you peace of mind knowing your batteries are safeguarded from moisture, extreme temperatures, and accidental bumps. A solar battery enclosure pays for itself by prolonging the life of your batteries. 

Can you plug solar straight into a battery box?

Not directly - you need a solar charge controller between the panels and the batteries for voltage regulation. This also prevents overcharging. Get a basic solar battery charger or a more sophisticated MPPT solar charge controller to pair with your battery box.

Should you put a lithium battery in a battery box?

For sure. Lithium iron phosphate cells are a bit more finicky about the conditions they like to work within, especially when it comes to temperature. Most LiFePO4 batteries have safeguard features to automatically stop charging below freezing. But, that cuts into how much power you’re saving up - so it’s worth keeping these batteries in an enclosure. 

Which battery box is best?

Depends on your battery type and bank size. You can’t go wrong with the Sunwize NEMA 3R if you want something simple and affordable for a 2-battery system. The Solar Rackworks chest-style enclosures give you more room to work with for larger off-grid banks. Get in touch with our team for a tailored recommendation.

What are the alternatives to a battery box?

Some contractors will save some money by constructing their own DIY enclosure from marine-grade plywood or a plastic storage container. You might not even need a battery box if yours are installed indoors in a well-ventilated area. Otherwise, a solar battery box is essentially non-negotiable for longevity.