"Flat" extended life GPS battery works with the GL300 series GPS units, including the GL300, GL300VC and GL300W units
Extend the life of your GPS unit up to 2 months or more, depending on movement and ping rate
for maximum life and use with your GPS unit.
- One cell 3,500 mAh rechargeable lithium ion cell battery pack
- Microslim 50 lb magnetic case, 4.5" x 3.5" x 1.75"
- Charging cable / adapter included.
NOTE: This maximum life battery must be used with the pelican 1010 case.