Reports Of New iPad Showing Inaccurate Battery Levels While Charging

New iPad

A recent report has claimed that the third-generation iPad continues to draw a significant amount of wattage after displaying a “100%” battery level. This happens when the New iPad is charging. This sounds really bizarre that a tablet made by one of the most reputed technology giants in the world continues to charge even after battery efficiency being shown as 100 percent.

The New iPad actually finishes its charging cycle roughly two hours after “prematurely reporting” a full charge. The report has come from a follow-up test by DisplayMate President Dr. Raymond Soneira.

The findings have not been corroborated. Thus, these findings may not reflect all third-generation iPads. It seems that the problem is not hardware related and has to do with the devices programmed charge rate. Soneira noticed that the iPad continued to draw 10 watts of electricity for two hours after indicating 100% charge. After that, it began to reduce power for an additional ten minutes until a decline in power draw signaled the end of the charging cycle. The following explanation was offered by Soneira:

The charge indicator on all mobile devices is based on a mathematical model of the charge rates, discharge rates, and recent discharge history of the battery. It uses this information to estimate how much running time is left. It’s actually rather difficult to do because most batteries degrade slowly as they discharge and then tend to surprise with a precipitous decline near the end.

Soneira added that there might be a fault in the battery charge mathematical model in the new iPad as the indicator should not be reading 100% until its power draw switches from 100 watts until about a charge of 1 watt.

Apple boasts that despite the new iPad’s power hungry components, the third-generation iPad’s battery life is similar to that of the iPad 2. These claims were based on a fully charged unit. The newly-discovered indicator issue can confuse customers into thinking that their device is not performing up to advertised standards.

Apple launched the latest iPad on 16 March 2012 and announced on last week that unit sales reached 3 million over the launch weekend. Last weekend, Apple launched iPad in 24 more countries.

Source: Modmyi

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