Shopping Calendar · Updated September 18, 2026
When Is Amazon Prime Big Deal Days 2026?
Amazon Prime Big Deal Days 2026 runs October 6, 2026 through October 7, 2026 — Tuesday and Wednesday, two days total. It is Amazon's fall Prime event and the second of the two sale windows each year that matter for portable power stations (the other being Black Friday). This page covers the dates, when pricing actually goes live, how the event differs from July Prime Day, and what tends to move in the solar generator category.
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By Prime Big Deal Days 2026 Dates at a Glance
| Event name | Amazon Prime Big Deal Days (commonly called “October Prime Day”) |
| Day 1 | October 6, 2026 |
| Day 2 (final day) | October 7, 2026 |
| Duration | 48 hours |
| Who can buy | Amazon Prime members only |
| Next comparable window | Black Friday, November 27, 2026 (open to everyone) |
Looking for the shopping picks rather than the dates? Jump to our Prime Big Deal Days solar generator deals tracker.
What Time Do Prime Big Deal Days Deals Start?
Amazon has historically launched its Prime event pricing at the start of day one — midnight Pacific time (3:00 a.m. Eastern) — with the event closing at the end of day two. In practice, individual listings update at different moments rather than all at once, and a handful of promotions are released in the days immediately before the official start.
Two practical consequences for a two-day event:
- •Popular capacities can sell out. Mid-size units in the 1,000–2,100 Wh tier are the most heavily shopped, and stock on a promoted model is finite.
- •Prices can change mid-event. A model's promotional price does not always hold for the full 48 hours. Having a shortlist decided in advance means you are not comparing models while the clock runs.
Exact start times are set by Amazon each year — confirm on Amazon's event page as the date approaches.
Is Prime Big Deal Days the Same as Prime Day?
No — they are two separate Amazon events, which is the single most common point of confusion in October. Both require a Prime membership and both work the same way at checkout. The differences that matter:
| Prime Day | Prime Big Deal Days | |
|---|---|---|
| When | Summer (July) | Fall (October) |
| Scale | The larger of the two events | Smaller, narrower selection of deals |
| Typical duration | Two days | Two days |
| Why it matters in October | Too early to buy for winter outages | Lands just before winter storm and outage season |
That last row is why the October event is often the more useful of the two if your reason for buying is backup power: it is close enough to winter that you have the equipment when you need it, without waiting for November shipping volume.
What Usually Goes on Sale in the Solar Generator Category
Across previous October events, the pattern in portable power has been reasonably consistent. Historically:
Moves most reliably
1,000–2,100 Wh mid-capacity power stations, plus small 300 Wh units. This is the volume tier for the category and the one brands push hardest in short events.
Bundles
Generator-plus-solar-panel packages, and base-unit-plus-expansion-battery kits. Bundling is how brands raise average order value during events, so the package price is usually the better offer.
Less predictable
3,000 Wh+ whole-home systems. They do appear, but selection is narrower than in November and promotions vary more year to year.
Worth watching anyway
Older-generation models being cleared ahead of new releases, and standalone solar panels. Both can produce genuinely good pricing because they are inventory-driven rather than headline-driven.
The models we track, with current Amazon prices and our 2026 ratings, are listed in our Prime Big Deal Days solar generator deals page. If you are weighing October against November, read Prime Big Deal Days vs Black Friday first — for larger systems, the answer is frequently November.
What to Do, and When
Before the event (now through October 5)
Work out your target capacity, shortlist two or three models, and record current prices. Our price tracker logs Amazon prices daily so you can compare against a pre-event baseline instead of a crossed-out list price.
October 6, 2026 – October 7, 2026
Buy if your primary model hits a price below your recorded baseline. If it does not, do not substitute a different unit purely because it is discounted — an under-specified generator at a good price is still the wrong generator.
After the event (October 8 onward)
Post-event pricing usually returns toward normal within days. We publish what actually happened in the price tracker, then shift coverage to the Black Friday hub for the November window.
Prime Big Deal Days Dates FAQ
When is Amazon Prime Big Deal Days 2026?
Amazon Prime Big Deal Days 2026 runs October 6, 2026 through October 7, 2026 — a 48-hour event, Tuesday and Wednesday.
What time does Prime Big Deal Days start?
Amazon has historically launched event pricing at the start of day one, around midnight Pacific time (3:00 a.m. Eastern). Individual listings update at different times, and some promotions appear shortly before the official start, so it is worth checking your shortlist the evening before.
How long does Prime Big Deal Days last?
Two days. Pricing ends when the second day closes, though promotional prices on individual products can change or expire before the event officially ends.
Is Prime Big Deal Days the same as Prime Day?
No. Prime Day is Amazon's larger summer event in July; Prime Big Deal Days is the fall event in October. Both require a Prime membership and work the same way at checkout.
Do Prime Big Deal Days deals require Amazon Prime?
Yes. Event pricing is exclusive to Prime members. If you would rather not join, Black Friday (November 27, 2026) and Cyber Monday are open to everyone and typically offer the year's broadest selection in this category.
Are solar generators included in Prime Big Deal Days?
Portable power stations are consistently among the discounted categories in Amazon's Prime events, with the 1,000–2,100 Wh tier and generator-plus-panel bundles seeing the most activity. Selection is narrower than in November, so it pays to have a specific model in mind. See our solar generator tracker for the models we watch.
Should I wait for Black Friday instead?
For 3,000 Wh and larger whole-home systems, November has historically been the stronger window on both price and selection. For 1,000–2,100 Wh units, October pricing has been competitive, and buying now means you have power before winter outage season. Our side-by-side comparison breaks this down by tier.