Yes, you can use it together. Attach the Power HAT to Raspberry Pi first, then attach Base HAT on it.
Using the HAT without a battery is not recommended.
No, it can't. The Power HAT only supports 18650 protected 1 cell 3.7V Li-ion or Li-Po rechargeable batteries.
Yes, there are solder pads for both switches on the underside of the board, aligned with the switches on the top.
Yes, it works.
If I connect an external battery on J9 pin, does the hat manage its recharging and use its power on first?
Only one battery can be connected to Power HAT.
It doesn't work with PoE HAT. If you want to use PoE, you have to use a PoE splitter. We recommend that you use this type of product. Note that you need to plug the splitter USB port to UPS HAT.
No, it doesn't work.
Updated about 2 years ago