ALIENTEK S40 vs S40P: Precision Electric Screwdriver Comparison | Torque, RPM & Battery Test

Silent or high-speed? Which ALIENTEK precision electric screwdriver is right for your repair work? In this video, we take a closer look at the ALIENTEK S40 Silent Version and S40P High-Speed Version, comparing their speed, torque, motion control, LED lighting, bit compatibility, battery life, and more. 🔧 S40 vs S40P — Key Differences S40 Silent Version: Up to 180 RPM and 0.20 N·m electric torque S40P High-Speed Version: Up to 260 RPM and 0.26 N·m electric torque Adjustable speed and torque levels 3D motion-sensing control Real-time reference torque display Six built-in LEDs with 3-level brightness adjustment Metal gearbox and CNC-machined aluminum body Compatible with H4 and 800 series bits 🔋 Real-World Battery Test Using ST2×5 mm self-tapping screws driven into softwood until the battery was depleted: S40: 410 screws S40P: 472 screws We also demonstrate the impact function, compare actual RPM and torque performance, explore the available bit sets, and show how to calibrate torque using a torque meter and PC software. 🧰 Designed for Precision Repair Suitable for laptop repair, digital device repair, tool maintenance, and other precision repair tasks. Which would you choose — the quieter S40 or the faster S40P? Let us know in the comments! 🛒 Get yours today: AliExpress: https://www.aliexpress.us/item/325681... Ozon RU: https://www.ozon.ru/product/nabor-ele... For more information, please contact: fei.huang@alientek.com WhatsApp: +86 19195343072 🔍 Quickly find what you want: 00:00 - 00:15 Introduction: Design, CNC Aluminum Body & LED Lighting 00:16 - 00:19 Forward / Reverse Control 00:20 - 00:28 Bit Compatibility & Storage Case 00:29 - 00:36 S40 vs S40P: Key Specifications 00:37 - 00:48 S40/S40P Product Highlights 00:49 - 00:57 S40/S40P Application Scenarios 00:58 - 01:06 Real-Time Torque Display 01:07 - 01:17 Dynamic Torque UI 01:18 - 01:30 S40/S40P Speed Comparison & Speed Levels 01:31 - 01:47 Torque Comparison & Adjustable Levels 01:48 - 02:03 Motion Control System 02:04 - 02:11 Three-Level LED Brightness 02:12 - 02:20 Impact Mode 02:21 - 02:35 Battery Life Test: 410 vs 472 Screws 02:36 - 02:48 H4 & 800 Series Bit Sets 02:49 - 03:04 Torque Calibration with PC Software #ALIENTEK #s40 #S40P #electricscrewdriver #precisionrepair #electronicsrepair #toolcomparison