How Long To Charge A New Phone Battery. The lithium batteries of so smartphones are greatly affected when the levels drop below 20 and therefore it is important to keep this in mind and put it into practice. To do it right charge your new iPhone for at least 3 hours before using it for the first time.

HOW LONG TO CHARGE new phone. Besides charging directly to a power outlet you can also choose this way to help your phone get faster on the battery. Repeatedly allowing the battery to drain fully may shorten its life and decrease its overall capacity.
Dont let your phone stay at 100 level for too long ie plugging to charger after fully charged.
I used that great iFixIt guide to replace the battery and everything is fine except that my phone keeps lasting 2 hours and something after a full charge just like it did with the old battery. So how should you charge your phone battery the very first time. Besides charging directly to a power outlet you can also choose this way to help your phone get faster on the battery. A new smartphone lithium battery can be charged for about 2-4 hours while a phone with super-fast charging can be filled within an hour.

