FNIRSI® FNB48P USB Fast Charge Tester

FNIRSI FNB48P is a multi‑function USB power tester equipped with a 1.77‑inch TFT‑LCD screen and built‑in 16‑bit ADC. It measures voltage, current, power, capacity and energy, supports full fast‑charge protocol trigger & auto‑detection. It features PD monitoring, E‑Marker/DASH cable reading, cable resistance test, waveform recording and battery capacity calculation. Multiple USB interfaces, gravity auto‑rotate screen and PC upgradable firmware, ideal for charger, power‑bank debugging and DIY power testing. Built‑in 16‑bit ADC provides 6‑digit precise readouts for voltage, current, power, capacity and energy. Records min / max / average real‑time values. Auto‑detect and manually trigger QC, FCP/SCP, AFC, PD, VOOC/WARP, SuperVOOC, MTK‑PE fast‑charge protocols.