Geekworm UPS HAT Board + 2500mAh Lithium Battery For Raspberry Pi 3 Model B / Pi 2B / B+ / A+
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Se activa automaticamente al irse la corriente y sin apagar la Raspi, se conecta por el GPIO, carga mientras la Raspi esta encendida, batería de 2500mA... Todo eso suena bien pero creo que lo que mejor puede convencer a alguien es que esta es la segunda placa que compro y estoy muy contento con ella.
What can I say, it does what it says, provides power. It only acts as a UPS is powered by the input from the hat itself, the LEDs give an indication of the battery charge. It is also capable of giving a reading of the charge state over i2c so can be remotely polled as ell. Handy item, use as UPS or battery power supply. I have ordered a second unit as I am that impressed. Only improvement I would like is a version that uses 18650 batteries.