1,700 mAh Lithium Polymer Battery. Recharges Via The Supplied Braided Type C To USB Cable. Charge Wirelessly On-The-Go With Ease By Attaching The PowerSlide To The Back Of Your Phone. Charge Qi Enabled Devices Wirelessly With The PowerSlide. Non Qi Devices Can Still Take Advantage Of On-The-Go Charging By Connecting To The Type C Port. Slides On And Off Your Phone For On-The-Go Charging. Included Slide Plate Is Also Compatible with ClutchSlide. Easily switch between the ClutchSlide Card Holder And The PowerSlide Battery Pack.