Size Name:with case Introduction: Lithium Battery Pack Expansion Board integrates an imported lithium charge, boost management chip. It is made in strict accordance with the size of international Raspberry pi HAT extended board HAT. Features: Battery capacity: 3800mAH Maximum Maximum output current:1.8A Output voltage:5.1V±0.1V Standard charging current/voltage:1.0A/5.0V Cut-off voltage of fully charging:4.18V-4.2V Package included: 1 x Lithium Battery Expansion board (with lithium battery) 4 x Copper standoff 4 x Screw 4 x Nut 1 x Micro USB cable 2 layer Acrylic Board
A**Y
Wrong screws
The enclosed screws for attaching the PCB to the case are too short!
W**H
It's just a USB power bank
It does not do what you'd expect from a dedicated inline battery for the pi.This is basically an on/off battery.When mains power is supplied it provides power to the USB sockets, if you want the battery to supply power, you have to turn it on (then remember to turn it off after).I suppose naively I was expecting the battery to step in an provide power if the mains power was stopped (then for bonus signal the pi to turn off when the battery was low). This does not do either.You're just as well using a simple usb power bank.
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