CR3032 Battery: How Long Will It Power 2 LEDs? Lifespan and Usage Tips
A CR2032 battery has a capacity of about 210 mAh. It can power one LED at 25 mA for around 8 hours. If you use two LEDs, the battery will last about 4 hours. In low conditions, it may provide dim light for weeks. Always check the LED specifications for optimal performance and brightness. To … Read more