['VERY LOW BACK UP', 'Only 3 minutes of power backup', 'any discharge in 20 min', 'Battery backup issue, 20mins of backup only', 'Full charge back up only 2min', 'Battery backup need more power', 'Battery backup very poor', "It's not working allmost 40 minutes", 'Battery back is too low', "Don't know about the backup", 'Battery not supported only 10min working', 'charging time is too high, taking charging time to full 2Hrs to 2.30Hrs', 'Battery backup very bad', "Bad battery, It's battery backup lasts only for 15mins", 'Baterry backup', 'no battery backup', '5 minute me battery down hoti hao', 'Zero battery backup up', 'Batter backup, No battery backup', 'standby timing is very very low']
Consistent complaints about very low or poor battery backup.
Users report extremely short backup times ranging from 3 to 20 minutes.
Some users mention issues with battery not working or lasting only for a short duration.
Charging time is criticized as being too high, ranging from 2 to 2.30 hours.
Several users express dissatisfaction, stating zero or no battery backup, and describing the standby timing as very low.