GPS Tracking Tracker has an extended battery for the micro tracker. The extended battery has a strong 50 lb magnet that you can attach to the top side of the frame of the vehicle. The extended battery provides up to 6 months of battery life for the micro tracker. Simply place the tracker inside the metal case, plug it into the battery, and attach to the frame of the car.
The other option you have to extend the battery life on the Micro Tracker is the hard wire power kit. The hard wire power kit is made for the micro tracker and is a simple kit that hooks the micro tracker up to the power of the car.