Chosen Solution

O bought a battery from ifixit to replace my MBP battery and it has to be drained before international shipping. Now that I installed it on my laptop my MBP won’t recognize it and keep going to sleep I have tried doing SMC reset an PRAM reset with no luck Update (12/22/2017) My laptop keep going to sleep when i turn it on and when i oress the power button for a while screen turn on but immediately going back to sleep

If you haven’t already done so, double check your work by going through this guide. If everything was done properly, I would contact iFixit Support to review the options; you may have a defective replacement battery.