{"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":"2026-09-17T12:29:45+00:00","price":"32.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B09X17WT2Z?maas=maas_adg_api_578495573240933406_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBee25b29f1520178f461dd1d94d99677f&aa_adgroupid=6ddbe9bf74ed2d177c075a35f6710225_PBSEP_!!!affid!!!_118045_&aa_creativeid=8824eUYCcaOkyFaMOLFZmiI7yLNgz9b0PXDxULrP5ztNsuQ_c"}],"product":{"brand":"TopdonVC-UK","evidence_url":"https://www.mainbuyer.com/evidence/products/topdon-car-battery-tester-12v-bt50-auto-100-2000-cca-battery-load-tester-b09x17wt2z/prices","gtin":null,"id":11750,"model_number":null,"name":"TOPDON Car Battery Tester 12V BT50, Auto 100-2000 CCA Battery Load Tester","product_url":"https://www.mainbuyer.com/product/topdon-car-battery-tester-12v-bt50-auto-100-2000-cca-battery-load-tester-b09x17wt2z","urn":"MB-AWIN-GB-B09X17WT2Z"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"32.99","historical_low":"32.99","last_observed_at":"2026-09-17T12:29:45+00:00","low_30d":"32.99","low_90d":"32.99","median_price":"32.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:45+00:00"}}