{"citations":{"source_mix":{"company_owned":22,"independent":23,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":34,"partial":11},"total_sources":45,"unique_domain_count":28},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best Stairlifts With Battery Backup","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","kimi","openai"],"predicate":"final_consensus_rank","qualifier":"Power-Outage Stair Access","subject":"Savaria K2","unit":"rank","value":4},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","kimi","openai"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Savaria K2","unit":"platforms","value":4},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-27","platform_support":["grok"],"predicate":"fit_rating_count","qualifier":"strong","subject":"Savaria K2","unit":"platforms","value":1},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-27","platform_support":["openai","anthropic","deepseek","perplexity","kimi","google"],"predicate":"fit_rating_count","qualifier":"good","subject":"Savaria K2","unit":"platforms","value":6}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":4.75,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":4,"name":"Savaria K2","platform_mentions":4,"platform_share":0.5714285714285714}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/stairlifts/power-outage-stair-access/savaria-k2.json","page_url":"https://aginginplaceindex.com/stairlifts/power-outage-stair-access/savaria-k2","report_type":"fit_review","study_id":"AIPI-STUDY-F0014DF57524","title":"Savaria K2 Review for Power-Outage Stair Access"},"limitations":["Use the run researchdate as the study date. Platform-reported dates are provenance metadata and do not independently prove freshness.","All included platforms evaluated fit, but platformmentions counts only platforms that named the entity during ranking discovery.","Do not resolve conflicting product names, pricing, or capabilities by guessing; describe the conflict and tell buyers what to verify.","The supplied URLs were collected from platform responses and were not independently validated by the writer stage.","Platform-reported research dates differ from the authoritative run date; disclose this as a methodology limitation.","The deterministic identity audit contains qualification notes that must be disclosed where relevant.","Citations are platform-reported evidence, not independently verified facts. No-search model claims require explicit verification before being described as current facts."],"methodology":{"fit_rating_contract":["strong","good","mixed","weak","uncertain"],"included_valid_platform_count":7,"maximum_finalists":10,"minimum_mentions":2,"name":"Aging in Place Index cross-platform AI consensus analysis","platforms_included":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"platforms_queried":["openai","anthropic","deepseek","grok","perplexity","kimi","google"],"stages":["ranking_discovery","fit_assessment","normalization","editorial_synthesis"],"version":"alias-table-1"},"provenance":{"generated_at":"2026-09-27 17:48:30.758533+00","research_date":"2026-09-27","source_snapshot_sha256":"5bb4bc44f26cfe15c0fd8b7efd3a97abbd5c17ff85985e0675bbb6e410a568e6","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":17,"qualified_finalists":9,"ranking_unit":"Battery backup stairlift model and manufacturer"},"schema_version":4,"summary":"The Savaria K2 is a good, but not fully quantified, fit for Power-Outage Stair Access. Four of the seven configured platforms named it during the ranking stage, and all seven that evaluated it rated the fit as good or strong. Its strongest evidence is direct manufacturer documentation of DC battery operation, full up-and-down travel during a power interruption, and charging at both rail ends, with an optional Continuous Charge System for entire-rail charging. The main limitation is that Savaria does not publish a precise outage ride count, reserve duration, battery replacement interval, or…","target_buyer":"Seniors who need reliable stair access during outages, storms, or unreliable home power conditions","topic":{"base_category":"Stairlifts","category_criteria":["Battery ride capacity","charging station reliability","outage operation","battery replacement cost","low-battery alerts","maintenance requirements","service support"],"geography":"United States","slug":"best-stairlifts-with-battery-backup","title":"Best Stairlifts With Battery Backup","use_case":"Power-Outage Stair Access"}}