The extended battery is an additional accessory for both the GL 300 Micro Tracker and the 3G Micro Tracker.
The Pelican case is a weather proof case that will protect against extreme conditions such as rain, snow, and heat.
The Extended Battery requires no installation and the GPS Tracker is just placed inside and hooked up to the battery.
The Extended Battery comes with a separate charger that will charge the extended battery for repeated use.
The Extended Battery has a magnet on the base, which can be used to attach to the top side of the frame of any vehicle.
The Pelican case is a durable case that has a locking mechanism so it stays shut in order to hold the GPS Tracker.