Tylt ENERGI 2K Battery Pack with Built-In Unviersal USB Port - Retail Packaging - Blue

The ENERGI 2K battery pack is a small, powerful charger. It is extremely slim, yet has enough juice to double your phones battery capacity. It uses battery cells certified at the highest level. This ensures users can use the product for years with minimal degradation and without worries about safety. The ENERGI 2K also features pass-through charging meaning you can charge both your ENERGI 2K and phone at the same time. When you wake up in the morning, you will have a fully-charged phone and battery pack, ready to tackle your day. Never lose track of how much power you have left with the LED indicator.