{"product_id":"30v-5a-adjustable-dc-power-supply-for-smartwatch","title":"30V 5A Adjustable DC Power Supply for Smartwatch \u0026 TWS Earbud Battery Activation — Encoder Knob Control","description":"\u003ch1\u003eSPPS-C305 Adjustable DC Power Supply for Wearable \u0026amp; TWS Earbud Repair\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eKUAIQU SPPS-C305 Adjustable DC Power Supply\u003c\/strong\u003e is a compact and precise power source designed for \u003cstrong\u003ewearable device and TWS earbud repair, testing, and troubleshooting\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eModern wearable devices and wireless earbuds contain compact batteries, charging circuits, power management ICs, and highly integrated PCBs. During component-level repair, technicians need a stable and adjustable DC power source to safely power circuits, monitor current consumption, and diagnose abnormal power behavior.\u003c\/p\u003e\n\u003cp\u003eWith precise voltage and current adjustment, clear digital monitoring, and independent output control, the SPPS-C305 is a practical tool for \u003cstrong\u003eTWS earbud repair technicians, wearable electronics engineers, and electronics service centers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eDesigned for Wearable \u0026amp; TWS Earbud Repair\u003c\/h2\u003e\n\u003ch3\u003e🎧 TWS Earbud Power \u0026amp; Charging Circuit Testing\u003c\/h3\u003e\n\u003cp\u003eUse the SPPS-C305 as a controlled DC power source when testing \u003cstrong\u003eTWS earbud charging circuits, power management circuits, and charging-related components\u003c\/strong\u003e during repair.\u003c\/p\u003e\n\u003ch3\u003e🔋 Battery \u0026amp; Power Consumption Testing\u003c\/h3\u003e\n\u003cp\u003eThe adjustable output allows technicians to provide a controlled power source for wearable and earbud circuits while monitoring voltage and current consumption.\u003c\/p\u003e\n\u003cp\u003eThis can help identify:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAbnormal current draw\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower leakage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCharging circuit faults\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBattery-related problems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower management issues\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🔬 Miniature PCB Troubleshooting\u003c\/h3\u003e\n\u003cp\u003eWearable devices and TWS earbuds use extremely compact PCBs with densely integrated components. The SPPS-C305 provides stable adjustable power for \u003cstrong\u003ecomponent-level troubleshooting and PCB repair\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e⚡ Short-Circuit \u0026amp; Abnormal Current Diagnosis\u003c\/h3\u003e\n\u003cp\u003eWhen a wearable or earbud PCB has a suspected short circuit, technicians can use a controlled power supply to observe current behavior and assist with locating abnormal circuits or components.\u003c\/p\u003e\n\u003ch3\u003e⌚ Wearable Device Repair\u003c\/h3\u003e\n\u003cp\u003eSuitable for troubleshooting and testing the power circuits of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSmartwatches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFitness trackers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmart bands\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWireless earbuds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTWS charging cases\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOther compact battery-powered electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePrecise Voltage \u0026amp; Current Adjustment\u003c\/h2\u003e\n\u003cp\u003eThe SPPS-C305 features a \u003cstrong\u003edual-knob encoder\u003c\/strong\u003e for smooth and precise adjustment of output voltage and current.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable output for flexible testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmooth rotary control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFine adjustment for low-power electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndependent voltage and current adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis makes it easier to apply controlled power when working with small wearable and TWS earbud circuits.\u003c\/p\u003e\n\u003ch2\u003eClear 4-Digit Digital Display\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e4-digit LED display\u003c\/strong\u003e provides clear numerical information during repair and testing.\u003c\/p\u003e\n\u003cp\u003eTechnicians can monitor:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReal-time readings make it easier to observe changes in power consumption during circuit troubleshooting.\u003c\/p\u003e\n\u003ch2\u003eIndependent Output Control\u003c\/h2\u003e\n\u003cp\u003eThe SPPS-C305 provides separate \u003cstrong\u003epower and output switches\u003c\/strong\u003e, allowing technicians to control the DC output independently.\u003c\/p\u003e\n\u003cp\u003eThis is particularly convenient when repeatedly connecting and disconnecting small PCBs during repair and testing.\u003c\/p\u003e\n\u003ch2\u003eCompact Design for Electronics Repair Benches\u003c\/h2\u003e\n\u003cp\u003eWith a compact size and high power density, the SPPS-C305 is suitable for \u003cstrong\u003emobile device repair benches, electronics laboratories, service centers, and component-level repair workstations\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA temperature-controlled fan helps maintain reliable operation during extended testing while keeping operating noise low.\u003c\/p\u003e\n\u003ch2\u003e5V \/ 2A USB Output\u003c\/h2\u003e\n\u003cp\u003eThe integrated \u003cstrong\u003e5V\/2A USB output\u003c\/strong\u003e provides an additional power source for compatible USB-powered accessories and devices used at the repair workstation.\u003c\/p\u003e\n\u003ch2\u003eIdeal for Wearable \u0026amp; TWS Earbud Repair\u003c\/h2\u003e\n\u003cp\u003eThe SPPS-C305 is suitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTWS earbud PCB repair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTWS charging case repair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEarbud charging circuit testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWearable device motherboard repair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmartwatch power circuit testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFitness tracker repair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBattery and charging circuit diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower consumption testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShort-circuit troubleshooting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eComponent-level electronics repair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProfessional Repair Tool for Compact Electronics\u003c\/h2\u003e\n\u003cp\u003eFor wearable and TWS earbud repair, precise power control is essential because technicians often work with \u003cstrong\u003esmall batteries, compact PCBs, low-power circuits, and highly integrated power-management systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eKUAIQU SPPS-C305\u003c\/strong\u003e combines precise adjustment, clear digital monitoring, independent output control, and a compact design to provide a practical DC power solution for \u003cstrong\u003ewearable electronics and TWS earbud repair and testing\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Shenzhen Kuaiqu Electronic Co., Ltd","offers":[{"title":"SPPS-C305","offer_id":47855261647025,"sku":null,"price":79.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/2.1.webp?v=1787025503","url":"https:\/\/www.kuaiquinstrument.com\/products\/30v-5a-adjustable-dc-power-supply-for-smartwatch","provider":"KUAIQU Instrument Store","version":"1.0","type":"link"}