7.4V, 8000mAh, Li-Polymer Battery fits Trimble, Sps850 Modular Receiver, Sps851 Modular Receiver, 59.2WhBattery Fits Models: Sps850 Modular Receiver, Sps851 Modular Receiver, Sps852 Modular Receiver, Sps855 Modular Receiver Battery Part Numbers: Kln00928 Canadian Batteries have supplied the replacement batteries from Cameron Sino for nearly a decade. We have had zero instances of a product being damaged while using one of our batteries in that time. The Cameron Sino range of batteries are historically the most reliable and cost effective generic