{"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":"2026-09-17T12:30:28+00:00","price":"1149.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FJ8CC4TY?maas=maas_adg_api_581874158556825993_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBee120df45fc8bbc8422f6c7bcbc40fa4&aa_adgroupid=a159a85f2272cd713c326256f684835e_PBSEP_!!!affid!!!_118045_&aa_creativeid=b70fZw8wIKNBnHNFouuixc4nd9ytpOn7UbdUBBUA5y0NdOo_c"}],"product":{"brand":"BLUETTI UK","evidence_url":"https://www.mainbuyer.com/evidence/products/bluetti-b300k-expansion-battery-for-solar-generator-apex-300-2764-8wh-lifepo4-battery-pack-extra-battery-for-home-emergency-road-trip-b0fj8cc4ty/prices","gtin":null,"id":12722,"model_number":null,"name":"BLUETTI B300K Expansion Battery for Solar Generator Apex 300, 2764.8Wh LiFePO4 Battery Pack, Extra Battery for Home, Emergency, Road Trip","product_url":"https://www.mainbuyer.com/product/bluetti-b300k-expansion-battery-for-solar-generator-apex-300-2764-8wh-lifepo4-battery-pack-extra-battery-for-home-emergency-road-trip-b0fj8cc4ty","urn":"MB-AWIN-GB-B0FJ8CC4TY"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"1149.00","historical_low":"1149.00","last_observed_at":"2026-09-17T12:30:28+00:00","low_30d":"1149.00","low_90d":"1149.00","median_price":"1149.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:28+00:00"}}