{"product_id":"nepertraukiamo-maitinimo-saltinis-aqex-balance-zero-hat-skirtas-raspberry-pi-zero-2-wh","title":"Nepertraukiamo maitinimo šaltinis AQEX Balance Zero HAT, skirtas Raspberry Pi Zero 2 WH","description":"\u003ch2\u003eTrumpai apie prekę\u003c\/h2\u003e\u003cp\u003ePrekė: Nepertraukiamo maitinimo šaltinis AQEX Balance Zero HAT, skirtas Raspberry Pi Zero 2 WH. Kategorija: Priedai.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGamintojas:\u003c\/strong\u003e AQEX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModelis:\u003c\/strong\u003e AQEX STUBBORN BALANCE ZERO\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eUltra-Durable Maintenance-Free Hybrid Supercapacitor UPS HAT for Raspberry Pi Zero\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eOfficial Product Page: https:\/\/www.aqex.eu\/stubborn-balance-zero-raspberry-pi-zero-ups-hat-hybrid-supercap.html\u003c\/p\u003e\u003ch2\u003e1. Product Concept \u0026amp; Strategic Advantages\u003c\/h2\u003e\u003cp\u003eThe Stubborn Balance Zero is a specialized uninterruptible power supply designed for the Raspberry Pi Zero family. Unlike traditional battery-based systems, it utilizes Hybrid Supercapacitor (HSC) technology to provide a maintenance-free, high-endurance power backup solution for industrial and remote IoT applications.\u003c\/p\u003e\u003cp\u003eStrategic advantages: Extended Runtime: Offers significantly higher energy density and longer backup power duration compared to standard supercapacitors. Extreme Longevity: The HSC technology supports up to 50,000 charge cycles, outlasting traditional Li-ion batteries. Maintenance-Free: No chemical aging typical of batteries; ideal for hard-to-reach deployments. Superior Temperature Stability: Operates reliably in environments where standard batteries would fail. Compact Form Factor: Designed specifically to match the Raspberry Pi Zero's footprint. Zero Maintenance: No periodic battery replacements required during the typical lifecycle of the equipment.\u003c\/p\u003e\u003ch2\u003e2. Comprehensive Technical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eParameter, Value, Condition \/ Detailed Notes\u003c\/li\u003e\n\u003cli\u003eInput Voltage (USB-C), 5.0V – 5.2V, Minimum 2A - 3A recommended\u003c\/li\u003e\n\u003cli\u003eOutput Voltage, 5.0V DC, Regulated for Raspberry Pi Zero\u003c\/li\u003e\n\u003cli\u003eStorage Technology, Hybrid Supercapacitor, High energy density with long cycle life\u003c\/li\u003e\n\u003cli\u003eMax Continuous Load, 3.5A, Enhanced current delivery for RPi 5 + Peripherals\u003c\/li\u003e\n\u003cli\u003eCycle Life, ~50,000 Cycles, Industrial grade durability\u003c\/li\u003e\n\u003cli\u003eGPIO Interface, 40-pin Header, Pass-through design for stacking\u003c\/li\u003e\n\u003cli\u003eSwitchover Time, 100 – 300 μs, No-reboot guaranteed transition\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u0026gt; Design Note: The Offline topology ensures almost zero power loss and heat generation during standard operation. A momentary (\u0026lt;1ms) voltage transient occurs during power failure; however, the Raspberry Pi's internal regulation easily filters this, ensuring zero system instability or reboot.\u003c\/p\u003e\u003ch2\u003e3. Power Management \u0026amp; Protection\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFeature:\u003c\/b\u003e Specification\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLogic Control:\u003c\/b\u003e Hardware-level voltage monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSafety:\u003c\/b\u003e Protected against over-discharge and input voltage fluctuations\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Tuning:\u003c\/b\u003e Potentiometer for input threshold calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRestart Logic:\u003c\/b\u003e Automatic recovery after power restoration in AUTO mode\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e4. User Interfaces \u0026amp; Configuration\u003c\/h2\u003e\u003cp\u003e\u003cb\u003e4.1 Mode Selection (Switch 4)\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOFF: Complete power cut.\u003c\/li\u003e\n\u003cli\u003eON: Immediate power-up when power (internal or external) is available.\u003c\/li\u003e\n\u003cli\u003eAUTO: Intelligent start-up logic; only boots the Pi when the battery reaches the \"Min\" energy level.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003e4.2 GPIO Communication\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eThe system utilizes a 3-pin GPIO interface for OS-level integration. The following pins are used on the 40-pin Raspberry Pi header:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePFO (Power Fail): GPIO 17 (Pin 11) — Signals external power loss (HIGH = OK \/ LOW = Backup Mode).\u003c\/li\u003e\n\u003cli\u003eLIM (Limit): GPIO 27 (Pin 13) — Signals that the battery has reached the critical low threshold.\u003c\/li\u003e\n\u003cli\u003eSHD (Shutdown): GPIO 22 (Pin 15) — Handshake signal. The UPS cuts power after the OS pulls this pin LOW (or the daemon signals a halt).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e5. Visual Diagnostics (LED Indicators)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLED, Color, Status \/ Meaning\u003c\/li\u003e\n\u003cli\u003eExternal Power, Green, Primary 5V power source detected.\u003c\/li\u003e\n\u003cli\u003eFull, Green, Battery fully charged (\u0026gt;3.9V).\u003c\/li\u003e\n\u003cli\u003eMin, Green, Sufficient energy for a safe boot-shutdown cycle.\u003c\/li\u003e\n\u003cli\u003eSafe, Yellow, Sufficient energy for a safe shutdown cycle.\u003c\/li\u003e\n\u003cli\u003eLow, Red, Critical level. Immediate shutdown required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e6. Intelligent Power Management (IPM)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSafe-Start Logic: Prevents \"brown-out\" loops by ensuring the Pi only starts when the battery can support the peak current of the boot process.\u003c\/li\u003e\n\u003cli\u003eShutdown Guard: Monitors the Pi's state and ensures power is only cut after the operating system has safely unmounted the filesystem.\u003c\/li\u003e\n\u003cli\u003eInput Threshold Tuning: Onboard potentiometer allows adjustment for voltage drops caused by long input cables.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e7. Estimated Runtimes with Raspberry Pi Zero2 WH\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHSC Capacity, No Load, 100% Load\u003c\/li\u003e\n\u003cli\u003e450F, 46 min, 13 min\u003c\/li\u003e\n\u003cli\u003e850F, 60 min, 22 min\u003c\/li\u003e\n\u003cli\u003e1100F, 105 min, 28 min\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e8. Software Support\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003equps-guard: Native open-source daemon for automated monitoring and safe shutdown.\u003c\/li\u003e\n\u003cli\u003eCompatibility: Fully compatible with Raspberry Pi OS (Debian-based).\u003c\/li\u003e\n\u003cli\u003eRepository: github.com\/aqexhu\/qups-guard\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHW Version: 1.0 | Released: 2025 Manufacturer: AQEX Electronics | aqex.eu\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eGroup\u003c\/th\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eParametry\u003c\/td\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003enew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParametry\u003c\/td\u003e\n\u003ctd\u003eInvoice\u003c\/td\u003e\n\u003ctd\u003eWith VAT invoice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParametry\u003c\/td\u003e\n\u003ctd\u003eManufacturer code\u003c\/td\u003e\n\u003ctd\u003eAQEX STUBBORN BALANCE ZERO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParametry\u003c\/td\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAQEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParametry\u003c\/td\u003e\n\u003ctd\u003eKind\u003c\/td\u003e\n\u003ctd\u003eExpansion board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParametry\u003c\/td\u003e\n\u003ctd\u003eEAN (GTIN)\u003c\/td\u003e\n\u003ctd\u003e5999863807022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParametry\u003c\/td\u003e\n\u003ctd\u003ePackaging status\u003c\/td\u003e\n\u003ctd\u003eoriginal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParametry\u003c\/td\u003e\n\u003ctd\u003eBatteries included\u003c\/td\u003e\n\u003ctd\u003eyes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"AQEX","offers":[{"title":"Default Title","offer_id":46153994633276,"sku":"18740819184","price":109.16,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0618\/2161\/6188\/files\/AQEX-STUBBORN-BALANCE-ZERO-UPS-HAT-RPi-Zero-2-WH.jpg?v=1789227028","url":"https:\/\/market365.lt\/products\/nepertraukiamo-maitinimo-saltinis-aqex-balance-zero-hat-skirtas-raspberry-pi-zero-2-wh","provider":"Market365","version":"1.0","type":"link"}