A leaked photo of a battery for the 42mm Apple Watch 2 has surfaced on Weibo that indicates the smartwatch will come with a significantly larger battery for improved battery life.
While the current generation 42mm Apple Watch comes with a 246mAh battery, the leaked photo shows a 334mAh battery designed for the Apple Watch 2 — an increase in capacity by nearly 36%. This improvement can lead the Apple Watch 2 to offer vastly improved battery life than the existing model. It is, however, also possible that the increased battery capacity will be offset by the increased functionality that the watch will potentially offer. After all, rumors point to the Apple Watch 2 coming with a faster processor, GPS, barometer, and other new sensors.
It remains unclear for now by how much the 38mm’s Apple Watch 2 battery capacity will increase.
Do note that while the leaked images do look real, their source has not been verified so it is entirely possible that they are fake. So, my recommendation would be to take them with a pinch of salt right now. Nonetheless, with the Apple Watch 2 expected to come with a built-in GPS chip and other new functionalities, the smartwatch does need to come with a larger battery to offset the increase in power consumption.