Hi friends today I want to share my review on a very good and budget friendly phone, which is Karbon K5000 mahabali.This phone is very good for battery service.This is a 5000 mAh li-ion battery.This phone has also usb charging or data transfer facility.If your other phone has low battery you can charge from karbon K 5000 phone.This phone has all facility which is found in 3000 to 4000 price range phone.I use this phone from 3 month and I am very much satisfied with this phone.This phone is very reasonable in price.Service center of karbon is also available in all main cities.I recommend this phone to those users who have doing their works through calls and sms becoz this phone give a very good battery service.Thankyou.