For as long as you have not cleaned your board and replaced the battery, everything is just a guess. Unfortunately it's too late to return the new phone. If it's actually wet and you ignore it it may damage the phone (mine was definitely not wet, possibly was damaged but doesn't seem like it). Let's see how long this lasts I don't suggest doing this unless you're out of options. After that, reassemble your phone and re-evaluate. Turned the phone back on and now its charging and not complaining. It will fail if you do not take care of it now. Once it it properly cleaned you must replace the battery. It would of course be best to get it professionally cleaned Best thing to do would be to clean it with an ultrasonic cleaner, but if you do not have access to one, this will at least help. All these steps are to avoid delayed failure caused by corrosion. Isopropyl alcohol in the higher concentration will evaporate quickly and dissipate the water. Also, you do not need to leave it to dry for a day. Do not use compressed air for the cleaning since that can drive liquid as well as corrosion particles into areas that will cause trouble later on. I can not stress the importance of a good cleaning enough, so do it over and over while replacing the alcohol after each cleaning. It was written for an Apple iPhone 3G but it is still pertinent to your phone as well. Restart the phone and set it up again to see if the charging problem is gone or not. Tap on Erase all data at the bottom of the screen, agree when prompted, and enter the PIN/Password (if asked) to proceed. Once you got the gross contamination cleaned, use 90%+ isopropyl alcohol and clean your parts some more. Navigate to About Phone and select Factory Reset from amidst the options. If you do not remove the shields, you are not cleaning the board. You will have to remove all the EMI shields. Take a look at all connectors as well as cable ends. Look for major corrosion, evaluate the pins in the connectors etc. Once disassembled you want to take a careful close look at all components and connectors. Since you did not tell us what model your phone is you need to see if any of these Alcatel Phone Repair are relevant to your phone.

The very first step I would take is to disassemble your phone. You are wasting valuable time while waiting for it to work. It does not remove the water from the inside of your phone, it will not prevent corrosion. Rice does not do anything other than waste precious time. This potentially can make a bad situation worse. After half an hour has passed, try to charge your iPhone with a Lightning cable or connect your iPhone with a Lightning accessory. Leave your iPhone on a flat surface in a dry place with some airflow for at least half an hour. For now you want to stop continuing to try to charge, sync or otherwise use your phone. Gently tap your iPhone against your hand with the Lightning connector facing down. As with any other liquid immersed device you need to follow a few steps for proper troubleshooting.

Phone wont charge water damage