step:1) make sure a cellphone or laptop battery completely exhausted
step:2) plug ur device into charge & let it charge until ur device signal shows its completely charged.
step:3) Now remove the battery from device & keep it saparate for 20-30secs & reattach into the device again.
step:4) Now again connect the charger to the device, it shows charging up & with in minutes it shows charging completed.
step:5) Turn on the device and use normally. now your device Battery standby capacity extended. Thanks for reading.