
Components Compatible with VOTOL EM50 SP (LIN)
VOTOL EM50 SP is a compact 72V sinewave controller with 50A rated battery current, 55A boost, and 190A peak phase current. Suited for 1-2kW PMSM/BLDC motors — commonly paired with QS90 mid-drive or small QS hub motors in entry-level e-moto / e-scooter builds. Features flux weakening, IP67 waterproofing, and LIN communication. Uses VOTOL's "Old Version" EM/SV-series connector architecture: 3 flush Mini-Fit Jr headers (function 2×8, alarm 2×4, hall 2×3) + screw terminals for power/phase. Programmable via PC with the Old Version USB cable (shared with EM100SP, EM150SP, EM200P).
18 components are compatible with the VOTOL EM50 SP (LIN), including 18 batteries.
18 BatteriesFrequently Asked Questions
Ready to build?
Start a new build with the VOTOL EM50 SP (LIN) and pick from 18 compatible components.

















