{"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":"2026-09-17T12:29:07+00:00","price":"29.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0CF569R5M?maas=maas_adg_api_594380518589751511_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBd9678258f6a093f37848c599c13c6c9d&aa_adgroupid=a6e73acd8bd1b7e895a395548c621ded_PBSEP_!!!affid!!!_118045_&aa_creativeid=e1bevXp8mNPnY6pdZmuL8aix4sKlBJkBQd2zTJWKsRYxSDw_c"}],"product":{"brand":"GOKOZY UK","evidence_url":"https://www.mainbuyer.com/evidence/products/5v2-1a-power-bank-10000mah-with-usb-charging-port-for-heated-vest-b0cf569r5m/prices","gtin":null,"id":10662,"model_number":null,"name":"5V2.1A Power Bank 10000mAh with USB Charging Port for Heated Vest","product_url":"https://www.mainbuyer.com/product/5v2-1a-power-bank-10000mah-with-usb-charging-port-for-heated-vest-b0cf569r5m","urn":"MB-AWIN-GB-B0CF569R5M"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"29.99","historical_low":"29.99","last_observed_at":"2026-09-17T12:29:07+00:00","low_30d":"29.99","low_90d":"29.99","median_price":"29.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:07+00:00"}}