{"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":"2026-09-17T12:30:03+00:00","price":"258.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0CKZ1FV4K?maas=maas_adg_api_583055011478542661_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB2261e8a0b184c1fff68bfd79166f4696&aa_adgroupid=b5e62586222d84cfb480ef186f867fd7_PBSEP_!!!affid!!!_118045_&aa_creativeid=45d5A0KI9HdRJnOjIVQRcE5SOWtgVE3TOCGeSfK74DsbEgY_c"}],"product":{"brand":"AFERIY-UK","evidence_url":"https://mainbuyer.com/evidence/products/aferiy-portable-power-station-800w-512wh-portable-power-station-lifepo4-battery-1-hour-fast-charging-ac-220v-240v-ups-3500-charge-cycles-solar-b0ckz1fv4k/prices","gtin":null,"id":12198,"model_number":null,"name":"AFERIY Portable Power Station 800W, 512Wh Portable Power Station LiFePo4 Battery, 1-Hour Fast Charging, AC 220V-240V, UPS, 3500+ Charge Cycles, Solar","product_url":"https://mainbuyer.com/product/aferiy-portable-power-station-800w-512wh-portable-power-station-lifepo4-battery-1-hour-fast-charging-ac-220v-240v-ups-3500-charge-cycles-solar-b0ckz1fv4k","urn":"MB-AWIN-GB-B0CKZ1FV4K"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"258.99","historical_low":"258.99","last_observed_at":"2026-09-17T12:30:03+00:00","low_30d":"258.99","low_90d":"258.99","median_price":"258.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:03+00:00"}}