{"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":"2026-09-17T12:27:51+00:00","price":"44.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DT12DNVF?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=412ff9ac3671fc721b39248631d3f6b2&aa_adgroupid=3a0cd4334d56bde082b534dcc5513b70_PBSEP_!!!affid!!!_118045_&aa_creativeid=8d80z59FFdqC32UeAqmSpY2C7RcUEODieC3hxomUQq_b5glY_c"}],"product":{"brand":"UK-Anker","evidence_url":"https://mail.mainbuyer.com/evidence/products/anker-power-bank-20-000mah-45w-portable-charger-dual-built-in-usb-c-cables-b0dt12dnvf/prices","gtin":null,"id":8245,"model_number":null,"name":"Anker Power Bank, 20,000mAh 45W Portable Charger,Dual Built-in USB-C Cables","product_url":"https://mail.mainbuyer.com/product/anker-power-bank-20-000mah-45w-portable-charger-dual-built-in-usb-c-cables-b0dt12dnvf","urn":"MB-AWIN-GB-B0DT12DNVF"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"44.99","historical_low":"44.99","last_observed_at":"2026-09-17T12:27:51+00:00","low_30d":"44.99","low_90d":"44.99","median_price":"44.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:27:51+00:00"}}