Diymore DC 0-30V Ultra-Thin Mini Digital Voltage and Battery Level Meter with 0.5 inch OLED Display Adjustable for 1/2/3/4/5/6S Percentage Battery Level Display

PRODUCT FEATURESUltra‑thin mini design, easily fits into various compact equipment spaces.0.5‑inch high‑definition OLED screen, clearly visible under strong light.Suitable for 1–6S lithium battery systems – no voltage regulation required, reverse connection won’t burn out.Intelligent percentage power display, allowing real‑time monitoring of remaining battery life.Dual‑mode display: numeric voltage + percentage, with accuracy up to ±0.1%.PRODUCT DESCRIPTIONThis voltage and power meter features a 0.5‑inch OLED display, a high‑speed MCU, a high‑precision 12‑bit ADC, and a stainless‑steel housing. With a compact size and a thickness of only 3.8 mm, it is both practical and aesthetically pleasing. The meter displays a single‑channel voltage value and calculates the remaining battery percentage based on the battery voltage.SPECIFICATIONS• Operating voltage: 4.5–30 V• Measuring voltage: 0–30 V• Operating current: ≈10 mA• Measuring accuracy: ±0.1 V• Sampling rate: ≈250 times/sNote: This meter can measure voltages from 0 to 30 V in real time. However, for an accurate percentage reading, the corresponding cell count must be set; otherwise, the percentage display may be less precise.BATTERY CELL COUNT SETTING METHODUse tweezers to short‑circuit the cell‑count setting pad to the negative terminal for about two seconds (similar to a long button press), and hold for about 3 seconds.The “STD” characters on the right side of the screen will start flashing, indicating entry into the cell‑count setting mode.Then, momentarily short‑circuit the setting pad to the negative terminal repeatedly to cycle through 1–6 cells (the number shown in the box indicates the selected cell count).Stop operating for 5 seconds, and the system will automatically save and exit the setting mode.PACKAGE CONTENTS• Voltage & power meter × 1