How do i charge my nabi2 if my charger hole is broken

The pin inside the charger port might be broken.
Look in the hole where you put the USB (on the device) there should be a tiny flat tongue sitting in the middle, if it's bent and touching the inside of the hole, it will need repairing. It's a very common fault.
You might be able to temporarily fix it yourself by trying to straighten it with a tooth pick. It's supposed to slot inside the micro USB plug.

Please help I need a charger for my granddaughter. Please help [email protected]

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[PDF]nabi 2 User Manual - Abt

probably your charger is broken or your charging port is broken. either way, if the charger is broken, its cheap to replace. if the port is broken, its cost a bit more

If using the supplied / original BLACK and WHITE USB cord, the black must be used for charging. The white is for data transfer only and lacks connections for power / charging.

Most USB chargers will output 1 amp or less. Many USB jacks on computers output between .5 and 1 amp - max. Your device calls for a charger with 2 amps output. Connecting to devices such as those mentioned above can overload and damage the charger or computer - don't use them!

USB ports have standard connections or "pinouts". You should obtain a USB charger (5V DC) rated for 2 amps (or more for better performance). Be sure to select one with matching USB connector (compatible with your device) - mini, micro, etc.

Amazon has several from which to choose:

Amazon com nabi2 nv7a charger

Here are trouble shooting tips from the Nabi site:
https://www.nabitablet.com/support2/fb/top-10-faqs/nabi2/2

Also, there appears to be a problem with the wall charger so it's better to charge it via USB to computer instead of from the wall outlet. That might be the reason why your Nabi won't turn on.

Here's more information regarding the charging problem:
https://www.facebook.com/nabitablet/posts/301200709922574

Try connect to PC. If PC find it - its ok, then you need reinstall windows or android, if not find, something wrong with microschemes

Sounds like you have a good charger/cable, so try resetting the Nabi that's giving you trouble. Hold the power switch down for 10-20 seconds to reset the unit.
I have a couple of NABI-2 tablets and they both react differently to the charging cables; I often have to shut the NABI off completely to charge them. Also, getting the charging cable to connect can be challenging - I will plug the cable in and out several times waiting 10 seconds or so to see if the green LED will go red.

VERY easy to find and purchase on Ebay.