Trimble TDC100 Li-Ion Battery (3.7 V, 4800 mAh) The Trimble TDC100 Li-Ion Battery  is a genuine 3.7 V, 4800 mAh lithium-ion rechargeable battery designed for the Trimble TDC100 4G handheld . Engineered to deliver dependable, long-lasting power for GIS, mapping, utility, and field data collection applications, this high-capacity battery helps maximize productivity while minimizing downtime. It is an ideal replacement or spare battery for professionals who rely on uninterrupted handheld operation throughout the workday. Key Features Genuine Trimble lithium-ion rechargeable battery for the Trimble TDC100 handheld. 3.7 V, 4800 mAh capacity provides reliable, extended runtime for demanding field applications. Compact, lightweight design that's easy to carry as part of your field kit. Compatible With Trimble Handhelds: TDC100 4G