UPS HAT (C) for Raspberry Pi Zero Boards, Provides 5V Uninterruptible Stable Power with Pogo Pin Connector

Works great, gets about 3-5 hours of charge for portable projects depending on temperature.

It dose the job, you can use your pi and charge this at the same time, i suppose you could charge it with a solar panel and use the pi as a security camera.

I ordered this UPS HAT with the intention of using it in a Raspberry Pi project. As soon as I plugged in the battery (the battery provided with the board), the board immediately became hot enough to cause a blister within seconds. I disconnected the battery right away, but I shudder to think what could have happened if I hadn’t been watching closely.The polarity on the JST connector appears to be backward, which is a known but unacceptable issue in cheap boards like this. There was no warning, no fail-safe, and no protection circuitry to prevent overheating or shorting.What if this had been a child? A beginner? Someone who plugged it in, set it down, and started reading the instructions? They could’ve walked away and come back to a lithium battery fire—a fire you cannot extinguish with water, and one that grows explosively.This product is dangerously flawed. It should not be sold without proper QC, safety features, or even a basic polarity check. I’ve initiated a return, and I strongly urge others to avoid this board unless you are prepared to diagnose and repair it yourself—and even then, it’s not worth the risk.

As mentioned by another reviewer, the JST battery connector is wired BACKWARD. The red wire should go to the side of the connector with a (+) printed on the circuit board. If you hook this up as shipped YOU WILL BURN YOURSELF INSTANTLY! I bought two of these and they are both wrong! To fix this, you must carefully pry the plastic tab back while pulling on the wire then re-insert them into the connector the correct way. Chances are you will bend the plastic too far, and it won’t hold the wire any more. Just push on the plastic tab back down the best you can and put a drop of super glue on it.

Haven't had a chance to try it, may revise my four stars when I do. Looks like a quality product. Zero documentation. This Amazon listing is all you get. Don't know when/why you would use the switch. Don't know if the chg LED goes out when it's charged. I guess I'll find out.

I bought a battery since none of the product description mentioned it coming with one.. but it came with one, so now I have a spare!

Where did my pi go, oh it restarted again. Why is the battery discharging when it is plugged into my laptop. Shutdown pi, why is my sensor still on 5 minutes later. Can only be powered from ups usb or ups doesn't work. I don't plan on using any usb ports. No power solder points on ups hat. This thing kind of sucks

I honestly purchased for a MMDVM hotspot setup, many have claimed to last 6 hours. Unfortuatnly, that was not the case with me. The battery gave me a solid 2 hours, which is ok, but not what I was going to....