Claims $349 gadget will last less than nineteen hours on a single charge.
9to5mac claims gadget will last for four hours of constant use
Expected to last nineteen hours for average user
Apple has already admitted timepiece will need to be charged nightly
Apple Watch Battery Life:
4 hours of active application use.
3 days of pure standby time.
4 days if left in sleeping mode.
'For the first time, people with knowledge of the Apple Watchâ€™s development have provided us with the specific performance targets Apple wants to achieve for the Apple Watch battery, but the actual numbers may fall short of those targets,' 'According to our sources, Apple opted to use a relatively powerful processor and high-quality screen for the Apple Watch, both of which contribute to significant power drain.'
However, the site's sources say that Apple will only likely achieve approximately 2-3 days in either the standby or low-power modes.