Check the listing for details. 12V 20000mAh Trimble Multifunctional RTK Battery Bar GPS External Pole Battery. Condition: New. Listed at 133.45 USD. 12V 20000mAh Trimble Multifunctional RTK Battery Bar GPS External Pole Battery Specification: Connect Port：7 PINS For Trimble（if you need other brand ， you can contact us）Length：31.5cmThe 20,000 mAh Lithium Ion battery is nearly 5 times higher capacity than on-board Trimble batteries. Power Stick Battery Pack is a carbon fiber extension with built-in high capacity battery allowing for your GPS receiver to run extended period of time without the hustle of external battery packs. Battery can be used on a base or the rover, the LED battery indicator allows you to check the remaining battery power 5/8X11 thread makes it compatible with all receiver and survey accessories. Will work with GPS receivers listed below：Trimble R4 R8 R6 units、R10/R12、Trimble R8 Medel 3、trimble 5800、SPS Series (7-PIN TRIMBLE GPS receiver )Parcel includes :Power Stick to receiver cable,Power Stick charger，20000mAh Battery