Fast Charging, Wireless Charging and Ultra Power Saving Mode take what’s good to super.
[Fast charging]
When you're on the go and running short on time, charge the battery for just 10 minutes to get up to 4 hours of usage.
[Wireless Charging]
Galaxy S6 is compatible with two main wireless charging standards (WPC and PMA). No additional cover or accessories are needed when charging with wireless charging pads (sold separately).
[Ultra Power Saving Mode]
When you need to save battery, UPSM will help you conserve power.
For more details you can visit Samsung India site.