Nintendo Switch Battery Charger Case, ZeroLemon SwitchPower 10000mAh Portable Backup Extended Battery Charging Case with Kickstand & Game Card Slot for Nintendo Switch -Black 10+ Hours Play Time: The SwitchPower adds 10+ hours playtime to your Nintendo Switch with the built-in 10000mAh rechargeable battery. Enjoy yourself in the power hungry Switch without worrying power off. Improved Kickstand & Additional Card Slot: With the kickstand in 3 different adjustable angles, your Switch can be deployed at different playing angles. The car slot allows you to store 3 extra game cards in the battery case. Easy Installation & Charge: Just simply pulling the top section up and sliding the Switch into the case, then press down the top section to firmly lock the Switch. Hold the power button for 3 seconds to turn on/off charging. Intelligent Charging Technology: Intelligent battery management system ensures charging with entire safety and 4 LED Lights indicates battery levels. ZeroLemon Promise and Guarantee: 365 days ZeroLemon Guarantee Warranty with Amazon 30 days Full Refund Guarantee; Lifetime ZeroLemon Customer Service Support.