Application GPS Survey Receiver Original Brand Trimble Chemistry Lithium Ion (LiIon) Voltage 7.4V Nominal Capacity 2600mAh Brand Master (this product is a compatible alternative to that of the original brand) Width 38.25mm Height 21mm Length/Breadth/Depth 70.5mm Weight 99g Suitable For: Trimble 29518 Trimble 38403 Trimble 52030 Trimble 54344 Trimble 5700 GPS Trimble 5800 GPS Trimble GeoExplorer 3 (external) Trimble R7 Trimble R8 Trimble TSC1 Data Collector Compatible With: Moli 1821 Moli E Moli MCC1821 Moli MCR1821 Moli MCR1821C Moli MCR1821C/1 Moli MCR1821C/1-H Moli MCR1821I Moli MCR1821J Moli MCR1821J/1 Moli MCR1821J/1-H Trimble 46607 Comments This battery replaces Trimble 46607 & Moli 1821 & is a replacement battery suitable for Trimble 52030, 54344, 38403 & 29518 Survey devices as well as the Trimble 5700 & 5800 GPS transmitters.