The iPad was designed so that, after 1000 charge/discharge cycles, it will still have 80% of its battery capacity. But Apple also specifies a “battery lifespan,” which is the number of times you can charge and discharge the battery before it starts to lose capacity. So far we’ve talked about the “battery life,” meaning how long the iPad will run on a single charge. LiPo batteries also hold their charge for a long time, so a fully charged iPad that is stored for a month will still have most of its charge. This charging pattern is very handy for pilots, especially in the cockpit. The latest models support fast charging, which can charge an iPad to 50% in just 30 minutes. The battery will also charge very rapidly, to about 80% in a few hours, while the last 20% is more of a trickle charge and takes longer. There is no “memory effect” like older Nickel Cadmium batteries, so you can charge your iPad anytime you want and even leave it on a charger overnight. The latest generation iPad Pro 12.9″ for example, has a 40.88 watt-hour battery, but it weights just 1.5 lbs.Īnother major advantage of LiPo batteries is the way they are charged. When you think about it, it’s quite impressive how large a battery Apple manages to put into such a slim device. These are the standard in portable devices now because they have a high power density but are very lightweight. Like most consumer electronics, the iPad uses a lithium-ion polymer battery, often called a LiPo battery. First, it’s important to know what type of battery the iPad (and the iPhone, for that matter) uses, and how it works. This is a huge advantage in the cockpit, as it’ll last for the duration of all but the longest flights.īut there are a number of things you can do to improve the performance of your iPad battery and keep it in top working condition. Even with a high-resolution screen and a powerful processor, Apple’s tablet offers a battery life of 4 to 6 (or more) hours in the air-better than almost every other competing tablet. One of the most under-appreciated features of the iPad is its fantastic battery life. The iPad is basically a big screen and a big battery.
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