{"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":"2026-09-17T12:26:24+00:00","price":"39.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0CB1DF4JQ?maas=maas_adg_api_593880234214414131_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=6caa16bd9589bf092ffa42f1f045caf8&aa_adgroupid=aed6808479f96e69a2578e54efec8fd0_PBSEP_!!!affid!!!_118045_&aa_creativeid=7fee5z9_a2VtGeF_bPO6zIJ5hdZphUn_aJeSirD_b_bwNTtr8JBA_c"}],"product":{"brand":"INIU-UK","evidence_url":"https://mainbuyer.com/evidence/products/iniu-laptop-power-bank-compact-20000mah-65w-fast-charging-battery-pack-b0cb1df4jq/prices","gtin":null,"id":5778,"model_number":null,"name":"INIU Laptop Power Bank, Compact 20000mAh 65W Fast Charging Battery Pack","product_url":"https://mainbuyer.com/product/iniu-laptop-power-bank-compact-20000mah-65w-fast-charging-battery-pack-b0cb1df4jq","urn":"MB-AWIN-GB-B0CB1DF4JQ"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"39.99","historical_low":"39.99","last_observed_at":"2026-09-17T12:26:24+00:00","low_30d":"39.99","low_90d":"39.99","median_price":"39.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:26:24+00:00"}}