Better kart Mobile Battery For Google Pixel 4 G020I-B 2800mAh with 3 Months Warranty . It Is Compulsory That After Receiving The Battery Put Into Your Phone And Plug Into Charge For 3-5 Hours Continuous Charge In Switch Off Mode For First Time Not Less Than And Not More Than That. This battery is the best alternative for your great phone and will never explode or give any problems.With the mobile phone, the battery provides good backup performance. This battery is the best option for your fantastic phone and will never explode or cause any issues. This battery was created exclusively for your phone and is excellent for use as a backup.