بیٹری لائف کیلکولیٹر
Calculate battery runtime, capacity, and power consumption for smartphones, laptops, IoT devices, and more. Advanced calculator with sleep mode support and unit conversions.
📱 Try Sample Devices
📱 Smartphone
4000mAh, 250mA average usage
💻 Laptop
50Wh, 15W power consumption
🔧 ESP32 IoT
2000mAh, sleep/wake cycles
🚁 Drone
5200mAh LiPo, 8A draw
🔦 LED Flashlight
2500mAh, 500mA LED
🔌 Power Bank
20000mAh, 18W output
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