Skip to content
TrackPin
Check a price
Menu
Developers

Theme

XS Power SB500-49 Super Cap price history, checked Nov 15, 2026: Good price. $409.95 is 18% below the $499.99 it normally sells for.

XS Power SB500-49 Super Cap Battery/Powercell

Only 4 left

Good price

$409.95 is 18% below the $499.99 it normally sells for.

Now
$409.95
Normally
$499.99
Lowest in 145 days
$399.99(Jul 15)
Highest
$499.99
Evidence: Strong145 days tracked5 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $409.95. No account, no newsletter.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

The listing's crossed-out price

Holds up

The listing shows

crossed out: List $499.99 −18%

Against its normal price

−18% vs $499.99

List $499.99 (−18%) holds up: today's price is 18% below normal.

The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →

Price history

Tracked since Jun 22 · 145 days · 5 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 18% below its normal price of $499.99. XS Power SB500-49 Super Cap Battery/Powercell price history, checked Nov 15, 2026: current price $409.95, normal (typical) price $499.99, average $480.16 over 145 days, lowest $399.99 (Jul 15, 2026), highest $499.99 (Oct 1, 2026).

Loading the price chart.

  • Price
  • Normal $499.99
  • 5% or more below normal

How often does it drop below normal?

In the 145 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 3 times, typically lasting less than a day. It's below normal right now.

A count of what happened, not a prediction.

More real deals in Automotive

See all

Popular on Amazon right now

Products with thousands of reviews, each checked against its normal price.

See all
Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B0CPRJZX9H
Request
curl https://trackpin.co/api/v1/product/B0CPRJZX9H \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 05:49 UTC
{
  "asin": "B0CPRJZX9H",
  "title": "XS Power SB500-49 Super Cap Battery/Powercell",
  "image": "https://m.media-amazon.com/images/I/71oiC7tkx5L._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Automotive Parts and Accessories",
  "category_label": "Automotive",
  "in_stock": true,
  "price": {
    "current_cents": 40995,
    "reference_cents": 49999,
    "discount_pct": 18.01,
    "is_deal": true,
    "observed_at": 1794721160999,
    "changed_at": 1794695687915,
    "checked_at": 1794721160999,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 18.01,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $409.95 is 18% below the $499.99 it normally sells for."
  },
  "listing_claim": {
    "label": "List:",
    "listing_reference_cents": 49999,
    "claimed_pct": 18,
    "real_pct": 18.01,
    "class": "holds_up",
    "observed_at": 1794721162422
  },
  "stats": {
    "min_cents": 39999,
    "max_cents": 49999,
    "avg_cents": 48016,
    "history_days": 145,
    "price_levels": 202,
    "price_changes": 5,
    "distinct_prices": 3,
    "lowest_at": 1784098995498
  },
  "history": [
    {
      "price_cents": 49999,
      "from": 1785312321036,
      "to": 1785321329301
    },
    {
      "price_cents": 49999,
      "from": 1785324631092,
      "to": 1790628111231
    },
    {
      "price_cents": 40995,
      "from": 1790867233891,
      "to": 1790867233891
    },
    {
      "price_cents": 49999,
      "from": 1790874281081,
      "to": 1794686872196
    },
    {
      "price_cents": 40995,
      "from": 1794695687915,
      "to": 1794721160999
    }
  ],
  "last_seen": 1794721162422
}
// … 197 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.