TS-244-N4W-48 Turcom 4800mAh, Portable Samsung Note 4 External Battery Case A Slim, compact lightweight case that can easily fit into a pocket or a small purse. Rechargeable Lithium-Polymer battery pack that is energy efficient. The fastest and most convenient Samsung Galaxy Note 4 base case. 4 blue LED light indicators to monitor your battery meter display. Great for traveling or being on the go.