Have you ever been in the field and had your battery(s) go dead?

Have you ever been in the field and had your battery(s) go dead? Perhaps you were almost done with that job, and it's been a long day. The GX Powerpack from Grade Control Products can save you from expletive-laden rage. It offers 2 3400mAh 7.4V extended-use batteries that can also be used in your MT1000 Trimble prism. It has a USBC port and included cables, so you will have plenty of power to get the job done.

https://www.baselineequipment.com/grade-control-products-gcp61-gx-power-pack-with-2