Product overview
The YANGDA BT-14 smart lithium battery voltage tester provides real-time battery checks for RC aircraft, industrial drones and heavy-duty portable power setups. It supports LiPo, LiFe and Li-ion packs with 3S to 14S configurations, with voltage readouts for individual cells and the overall pack. Its compact, plug-and-play design makes it suitable for battery diagnostics during field operations. The voltage range is 2.5–4.5V, and connector types are XH 2.54 / MOLEX 3.0.
Built with advanced metering circuitry, the BT-14 combines voltage sensing with a high-resolution digital display. Its bright LCD/LED screen presents real-time readings across all channels for rapid inspection, including in bright outdoor environments. The tester draws power directly from the connected battery pack and uses instant auto-sensing to begin checks without complex setup or extra batteries. The unit weighs 500g.

