{"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":"2026-09-18T08:30:05+00:00","price":"899.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0HCNL2XL5?maas=maas_adg_api_581874158556825993_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBee120df45fc8bbc8422f6c7bcbc40fa4&aa_adgroupid=7171c00dfe0d15504472cf5ebcab9f9d_PBSEP_!!!affid!!!_118045_&aa_creativeid=129fRt6LJ3N_a8dkliYAIPP9ag1SFwfHs9OrThgdR1_ad0JwE_c"}],"product":{"brand":"BLUETTI UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/bluetti-bc200-expansion-battery-2016wh-75mm-ultra-slim-design-b0hcnl2xl5/prices","gtin":null,"id":13453,"model_number":null,"name":"BLUETTI BC200 Expansion Battery 2016Wh,75mm Ultra-Slim Design","product_url":"https://mail.mainbuyer.com/product/bluetti-bc200-expansion-battery-2016wh-75mm-ultra-slim-design-b0hcnl2xl5","urn":"MB-AWIN-GB-B0HCNL2XL5"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"899.00","historical_low":"899.00","last_observed_at":"2026-09-18T08:30:05+00:00","low_30d":"899.00","low_90d":"899.00","median_price":"899.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-18T08:30:05+00:00"}}