No.1 Nintendo Switch Battery Case: The S-Charge is the world's first multifunctional battery case designed for the Nintendo Switch. It incorporates a high capacity 10,000mAh battery, an improved kickstand and 2 game card slots. 4x More Battery Life: A high capacity 10,000mAh battery, that matches the power requirements of the Nintendo Switch (5V/2.1A), provides you with up to 4x more battery life. Play and charge: S-Charge allows you to charge your Switch and play on-the-go with no wires or bulky battery packs required. Phone charging: With the included USB-A port you can charge any device whilst also charging your Nintendo Switch. No need to carry around an extra battery power bank for your mobile phone. Card slots, carry case & screen protectors: No need for extra carrying cases, S-Charge has slots for 2 extra game cards to bring along with you on-the-go. We've also included a hardshell Nintendo Switch carry case and 2 screen protectors with this special bundle edition!