The usefulness and appeal of smartwatches has been significantly held back by the poor batteries that the gadgets tend to have equipped, but LG may have a solution to that problem. By necessity, smartwatches have some pretty minuscule batteries, which means that they’re not nearly as good as smartphone batteries, so LG has found a rather simple way to increase the size of the batteries without the need to make the smartwatch bigger by changing the battery’s shape.