Energizer Lithium Coin CR2032 3in1 Child Shield Batteries 4s 2032 (5004LC BR2032 DL2032 ECR2032 ST-T15 2032 )

In general, using a fake Energizer CR2032 is a "low cost, high risk" gamble. While it might seem like just a small battery for a remote or a scale, counterfeit lithium cells skip the expensive safety testing and high-grade materials that big brands like Energizer invest in. Here is what happens when you use them in everyday devices:1. Rapid Power Failure (The "Half-Life" Effect)Authentic Energizer CR2032s are rated for 240mAh of capacity. The Fake: Independent tests on counterfeits in 2026 show they typically carry only 120mAh to 140mAh—literally half the power.In Reality: Your car key fob that usually lasts 3 years will start dying in 6 months. Your Apple AirTag will start chirping "Low Battery" almost immediately after you put the "new" one in.2. Device Malfunction & "Glitching"Genuine batteries provide a steady 3.0V to 3.3V output. Fakes have inconsistent internal chemistry. Voltage Sag: When a device (like a digital kitchen scale or a heart rate monitor) asks for a tiny burst of power, a fake battery's voltage "sags" or drops sharply.The Result: Your scale will give incorrect weights, your car might not unlock on the first press, or your smart home sensors will randomly disconnect from the Wi-Fi.3. The "Silent" LeakThis is the most common way fakes "kill" general electronics.The Seal: Genuine Energizers use a proprietary crimping method to seal the lithium and electrolyte inside. Fakes use cheap, thin metal casings.Corrosion: Over time (or if the battery gets slightly warm), the seal fails. The leaking electrolyte forms a white crusty powder or a sticky liquid that eats through the gold or silver contacts of your device. By the time you realize the battery is dead, your S$100 car key or S$150 motherboard is already permanently damaged. Used in heart-rate monitors, keyless entry, glucose monitors, toys & gamesHolds power for 12 years in storagePerforms in extreme temperatures (-22 to 140 F)Child Resistant PackagingCell size: 2032IEC: CR2032Type: Lithium CoinVolt: 3Replacement for: 5004LC, BR2032, DL2032, ECR2032, ST-T15