{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:28:35+00:00","price":"139.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0F936ZL31?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=412ff9ac3671fc721b39248631d3f6b2&aa_adgroupid=ccbaa4369fdc2e7a81abdda30083179b_PBSEP_!!!affid!!!_118045_&aa_creativeid=adb5Vk9Q3fmxq0DQOsrRV4qqaR5VdsLhjD4FhFjxsICiMTE_c"}],"product":{"brand":"UK-Anker","evidence_url":"https://www.mainbuyer.com/evidence/products/anker-prime-power-bank-black-myth-wukong-edition-20-100mah-3-port-220w-portable-charger-two-way-power-hand-luggage-approved-for-iphone-17-16-15-s-b0f936zl31/prices","gtin":null,"id":9574,"model_number":null,"name":"Anker Prime Power Bank Black Myth: Wukong Edition, 20,100mAh 3-Port 220W Portable Charger, Two-Way Power, Hand-Luggage Approved, For iPhone 17/16/15 S","product_url":"https://www.mainbuyer.com/product/anker-prime-power-bank-black-myth-wukong-edition-20-100mah-3-port-220w-portable-charger-two-way-power-hand-luggage-approved-for-iphone-17-16-15-s-b0f936zl31","urn":"MB-AWIN-GB-B0F936ZL31"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"139.99","historical_low":"139.99","last_observed_at":"2026-09-17T12:28:35+00:00","low_30d":"139.99","low_90d":"139.99","median_price":"139.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:35+00:00"}}