NG-200 GPS Tracker Extended-Life Battery Pack High-performance rechargeable Battery Pack with Magnetic Case (tracking device not included) Get up to 6-Months of Battery Life (estimate based on 1 hour driving time per day) Simple Set Up and Easy Device-to-Device Connection using the Mini USB Cable AC 12V Adapter- Simply plug it into any wall socket to start charging Compatible with NG-200 and Spark Nano GPS trackers