The Leica BP-SCL6 Battery is a custom-made 8.4V, 2200mAh rechargeable lithium-ion battery that is designed for the Leica Q3 camera. It is also compatible with the Leica Q2, SL2, and SL2-S cameras. The BP-SCL6 Battery is a significant improvement over the previous generation BP-SCL5 battery, offering 18% more power. This makes it ideal for long shooting sessions or for shooting in demanding conditions.