New iPad has a faulty battery indicator, according to DisplayMate

The new Apple iPad's cup of woes runneth over, going by yet another set of critical reports about it. This time, it's from DisplayMate, a company well known for its work in the field of calibrating and comparing display technologies on screens across various devices.


According to the study done by DisplayMate, the new iPad's battery indicator is extremely misleading as it continues to charge a long time even after the indicator is full.

Apparently, the study was conducted to test the now famous Retina display of the new iPad. The anomalies in the charging indicator appeared on further examination of the energy consumption patterns for the 2048x1536 high-res display. The Founder and CEO of DisplayMate, Ray Soneira, claimed that the new iPad kept pulling in charge for over two hours after the battery indicator reached the 100% mark.

Most devices do tend to pull in some charge if kept on charging beyond full capacity, but the amounts we're talking of there are minuscule compared to the wattage required for a normal recharge. The new iPad, however, continued to take in 10 watts for 2 hours and 10 minutes after seemingly being recharged fully.

Apple has so far declined to respond to any journalist over this issue. But the fact remains that Apple has previous when it comes to inaccurate signal indicators. The infamous Antennagate issue with the iPhone 4S was initially evaluated as an issue with the network signal indicator, and Apple had subsequently issued an update to rectify the problem.

DisplayMate's allegations about the new iPad's battery indicator may just have some weight to them, but ZDNet has defended Apple in this matter. Their point of view is that apparent overcharging is just a protective mechanism to stop Li-ion batteries from overcharging for real. A consensus is yet to be reached about this controversy, and further developments are awaited.


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