Power Pack Pro UPS HAT Lithium Battery Expansion Board For Raspberry Pi Charging

Overview: This is a power expansion Board especially designed for Raspberry Pi, which enables to use the Raspberry Pi with a moveable power source. It's more convenient to use external 3.7V Lithium battery or 3.7V 18650 Lithium battery. Features: - Supports I2S Output with Capacity & Voltage Reading Function (provide algorithms and examples) - Support Raspberry pi or Android & Apple Phone or Pad or other electronic device charging; - Supports charging while discharging,(Very stable, the maximum output current can up to 1.8A while charging, but the chip heat will become larger. maybe you can place a external heatsilk on clip.) - With 4 LED power indicator; - Standard dimension of Raspberry Pi HAT; - Two power supply modes: GPIO power output and USB power out; - Removable battery, The external lithium battery requirements: 3.7V lithium battery; (The battery is not included) - Built-in power path management, perfect support charging While discharging. - Intelligent 3-stage charging (trickle, constant current, constant voltage) it can effectively extend the battery life. - Maximum discharge current: 2A, Maximum charge current: 2A; - Output protection: overcurrent, short circuit, undervoltage protection; - Input protection: overvoltage, overcharge, undervoltage protection; Package Included: 1x Lithium Battery Expansion Board

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