1. Q: Does the portable charger charge other devices while it's plugged into the wall?
A: Yes, just plug your device into one of the 2 USB ports and your device will be charged even if the portable charger is plugged into the wall outlet.
2. Q: Does the portable charger recharge itself when it's charging other devices?
A: Yes, if the portable charger is plugged into the wall and recharging, it can recharge itself and charge other devices at the same time.
3. Q: Will the portable charger continue to charge two connected devices after it's unplugged from the wall outlet?
A: Yes, but there will be a momentary blip or power loss when the AC or wall outlet is no longer connected. After the momentary power loss, the portable charger's battery will kick in to charge your devices. Make sure your devices and usage conditions can tolerate a momentary power loss (i.e. they might turn off or reset for a moment).
4. Q: Does the portable charger (while plugged into the wall) charge or deliver power from its battery?
A: No, the portable charger will only deliver power from its battery once it's unplugged from the wall outlet. While plugged in the wall, it operates as a USB wall charger or power plug.