A1 Solar Store Promo Codes & Coupons February 2026

These codes require a strict $1,000+ cart minimum before tax and shipping. They often expire or get deactivated after heavy use, which may explain why they're not working for you.

Common issues include having a cart where tax and shipping push the subtotal under $1,000, or trying to use codes during peak solar sales periods when they may be temporarily disabled. A1 Solar Store typically limits codes to sitewide non-clearance items and excludes bundles.

If you're experiencing issues, try these troubleshooting steps:

1. Verify your subtotal is $1,000+ before tax by reviewing your cart.
2. Clear your browser cache and cookies or try using incognito mode, as checkout glitches can occur from cached data.
3. Test the code at the payment step; if it shows "invalid," try alternative codes like A1COMEBACK60 (which may be active for $1,000+ purchases).

Restrictions to be aware of: One code per order, codes typically don't work with free shipping promotions, most are valid in the US only, and they can end abruptly after holiday periods.

Pro tip: Check coupon sites for the most recently verified codes before completing your purchase to ensure you're using an active promotion.

This error typically means the code is expired, your cart doesn't meet minimum requirements (like $1,000 for A1SOLAR25/SOLAR25), or you're trying to apply it to sale items or clearance products that aren't eligible.

A1 Solar Store uses a Shopify-based checkout system that will show this error if your subtotal doesn't match requirements or if the code has been pulled from rotation after reaching its usage limit.

To troubleshoot this issue:

1. Confirm your order meets eligibility requirements (e.g., $1,000+ subtotal for sitewide codes).
2. Copy and paste the code exactly as shown, maintaining uppercase letters and avoiding spaces.
3. If still unsuccessful, contact support@a1solarstore.com with your order number to request a manual application.

Most promo codes last 1-3 months before expiring, and you may have better luck testing them in the morning (UTC time) when the server typically syncs.

Pro tip: Look for recently verified codes on coupon sites, as codes reported as working within the past week typically have a much higher success rate.

A1 Solar Store doesn't typically offer free shipping promo codes. Instead, they provide free shipping selectively on specific products like inverters, solar panels, and batteries that meet certain price thresholds.

While shoppers often search for seasonal free shipping codes, these rarely exist for A1 Solar Store. Their standard free delivery (5-7 business days) applies only to specially marked promotional items.

To get free shipping on your order:

1. Filter products on their website for items marked with "Free shipping special."
2. Consider purchasing multiple items to hit volume thresholds that may trigger free shipping.
3. Check clearance sections, as some discounted bundles often include free shipping.

Limitations: Free shipping is typically limited to the continental US (excluding Alaska and Hawaii) and depends on current stock availability.

Pro tip: Shop early in the morning when inventory updates occur, as stock refreshes often trigger free shipping eligibility for more products.

When promo codes work for others but not for you, the issue usually stems from cart exclusions like clearance or sale items, unmet minimum purchase requirements, or regional restrictions. Testing in incognito mode can help identify the problem.

Many shoppers experience rejection when mixing regular and discounted items (for example, discounted panels may void the SOLAR25 code). A1 Solar Store typically excludes hazardous materials like certain batteries and optimizers from promo eligibility.

To troubleshoot effectively:

1. Try to match the "working" cart configuration by removing clearance items and ensuring your subtotal is $1,000+ if required.
2. Clear your browser cache and disable any VPN, as IP-based flags can trigger rejections.
3. Test alternative codes that might have fewer restrictions.
4. If all else fails, email support with evidence of the code working for others.

Technical note: The checkout system validates codes after tax calculation, and code acceptance rates drop significantly during peak shopping times.

Pro tip: Shop during off-peak hours (weekdays 9AM-12PM UTC) when server load is lower, which can reduce the likelihood of code rejection by as much as 50%.

No, A1 Solar Store only allows one promo code per order. This limitation is standard in their Shopify checkout system, and attempting to stack multiple codes will result in an "invalid" error message.

A common mistake shoppers make is trying to combine a free shipping offer with a discount code like $25 off. In such cases, the system will only apply the code with the highest value.

To maximize your savings:

1. Apply the strongest available code first (such as a percentage or dollar amount off the entire order).
2. Consider purchasing items already on clearance (up to 50% off) after applying your code.
3. If necessary, split your order into multiple purchases, but be mindful of additional shipping fees.

Restrictions: Promo codes cannot be combined with gift cards, and there may be limits on how frequently the same account can use certain promotions.

Pro tip: For orders over $1,000, prioritize codes like A1SOLAR25, as these typically provide better overall savings compared to splitting your order to use multiple smaller discounts.

Yes, A1 Solar Store promo codes have several product restrictions. Codes like SOLAR25 typically exclude clearance items, hazardous material batteries, power optimizers, and complete solar kits. They generally apply only to standard sitewide panels and inverters over $1,000.

Many shoppers encounter "invalid" errors when trying to apply codes to products like Tigo optimizers or panels already on sale. Discount codes usually target high-volume, non-discounted inventory.

To check and apply codes correctly:

1. Review your cart for items marked as clearance or sale.
2. Remove any restricted items and test the code again.
3. Use the product filter options to find eligible items during sales periods.

Limitations: Most codes are valid only for US customers and expire after inventory refreshes, which typically happen monthly.

Pro tip: Look for codes labeled as "Applies Site-Wide" on coupon websites, as these have the fewest product restrictions and will help you avoid most product-related rejections.

The most reliable way to verify if an A1 Solar Store promo code is still active is to test it live in an incognito browser window at checkout. You can also check coupon websites for "last used" timestamps and community verifications.

Many shoppers miss indicators that a code may be deactivated, such as notes about the code reaching its usage limit.

To verify a code's status:

1. Open an incognito browser window and add $1,000+ of eligible items to your cart.
2. Enter the code at the payment step—a green confirmation message indicates it's still active.
3. Check coupon websites for expiration patterns and recent verification dates.

Keep in mind that codes sometimes get reactivated sporadically, and even unverified codes occasionally work about 20% of the time.

Pro tip: On coupon websites, sort by "Verified" and recent usage dates for the highest success rate when hunting for active A1 Solar Store promo codes.

A1 Solar Store may occasionally offer discount codes, but currently, there are none available. However, customers can still save money by taking advantage of other promotional offers or sales available on the website, or by using credit card points to make purchases.

On average, A1 Solar Store provides 0.5 discount coupons each month. Based on historical data, the average time between A1 Solar Store coupon releases is approximately 60 days. However, this is subject to change and may depend on various factors such as seasonal promotions, product launches, or other marketing initiatives. To stay informed about upcoming discounts and promotions, we recommend checking A1 Solar Store website regularly, subscribing to their email newsletter, and following them on social media.

A1 Solar Store is offering 4 working store-wide codes, and they are also offering 4 additional discount codes with a max discount of 39% off.

SimplyCodes is the #1 provider of discount codes for your favorite retailers, such as A1 Solar Store. As the only crowdsourced platform for coupon codes, we have all the latest and accurate codes for over 200,000 stores. Save time and avoid expired codes by checking SimplyCodes for the latest A1 Solar Store discount codes.

On average, A1 Solar Store offers 0.5 coupon codes per month. As of today, A1 Solar Store has 4 active coupons and offers.

As of Feb 8, 2026, it does not appear that A1 Solar Store has discounts for Black Friday or Cyber Monday. We regularly check for A1 Solar Store's Black Friday and Cyber Monday discounts, so be sure to check back on this page to find the latest cyber week deals.