Why Your Acorn 120 Might Be Poisoning Your Home—Check This First

- Toxic Lead Oxide Leak from Acorn 120 Stairlift: How a Faulty Transformer Killed
- Acorn 120 Transformer Failure: 11VDC Overvoltage Caused Deadly Battery Venting
- The Hidden Killer in Your Stairlift: Faulty Charger Released Toxic Lead Oxide
- Sealed Battery Exploded Due to Acorn 120 Transformer—User Died
- 3.2VAC + 11VDC Ripple on Acorn Transformer? This Is How Lead Poisoning Starts
- Never Ignore Transformer Ripple—It Can Release Toxic Fumes from SLA Batteries
- Acorn 120 “Charger” Was Actually a Toxin Generator—Forensic Breakdown
- How a $20 Transformer Caused a Fatal Lead Oxide Exposure in Vancouver
- This Acorn 120 Transformer Overvoltage Is a Silent, Legalized Hazard
- Sealed Lead-Acid Batteries Don’t Leak—Unless Your Charger Is Broken Like This
- Toxic Gas From Stairlift Battery: The Ripple Effect That Took a Life
- Acorn’s “Class 2 Medical Device” Leaked Lead Oxide—Because of This Transformer
- Why Your Acorn 120 Might Be Poisoning Your Home—Check This First
- 11VDC Offset on AC Transformer? That’s Not a Glitch—It’s a Death Trap
- Post-Mortem Electrical Forensics: Faulty Acorn Transformer Linked to Toxic Exposure

This is not a hypothetical risk—it’s a documented tragedy. A deceased user in a large Vancouver home relied on an Acorn 120 stairlift powered by sealed lead-acid (SLA) batteries. Unbeknownst to them, the OEM-specified transformer had catastrophically failed, outputting not 15VAC as labeled, but **18.2VAC with a dangerous ±11VDC offset and 3.2VAC ripple**. This abnormal power profile forced the SLA batteries into chronic overcharge, causing internal pressure to build beyond vent valve limits. The result: **toxic lead oxide aerosol and sulfuric acid mist escaped into the living space**—a known cause of acute respiratory damage, neurological decline, and long-term heavy metal accumulation. Sealed batteries do not “leak” under normal conditions; they only vent when subjected to sustained overvoltage or ripple-induced heating. Independent multimeter and oscilloscope tests confirmed the transformer’s lethal output. This case underscores a critical gap in medical device safety: Class 2 mobility aids are trusted to be fail-safe, yet their power supplies are often unmonitored, unshielded, and quietly lethal. If you or a loved one uses an Acorn 120 or 130 stairlift, **do not wait for symptoms**. Test your transformer with a true-RMS meter. Look for bulging batteries, white crust near terminals, or acidic odors. Demand clean DC input—anything less is a health hazard. This video is dedicated to the user who lost their life—not to a fall, but to invisible toxins from a device meant to protect them.

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