{"product_id":"diy-ups-power-bank-box-18650-5v-9v-12v","title":"DIY UPS Power Bank Box | 5V 9V 12V Output | 6× 18650 | Router \u0026 CCTV Backup","description":"\u003ch2\u003eKeep Your Router, Modem and Cameras Running During Power Cuts\u003c\/h2\u003e\u003cp\u003eA compact DIY UPS (Uninterruptible Power Supply) battery box that uses 6× 18650 batteries to provide automatic backup power for routers, modems, CCTV cameras, and other low-power devices. No soldering required — plug and play setup.\u003c\/p\u003e\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 output voltages\u003c\/strong\u003e — 12V 3–5A, 9V 1A, and USB 5V 2–3A simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic UPS switching\u003c\/strong\u003e — seamlessly switches to battery when mains power fails, no manual intervention needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 60W peak output\u003c\/strong\u003e — suitable for routers, modems, IP cameras, LED lights, and audio systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo soldering required\u003c\/strong\u003e — solder-free spring contacts for easy 18650 battery installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in protection\u003c\/strong\u003e — overcharge (4.25V), over-discharge (2.75V), and overcurrent protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range\u003c\/strong\u003e — operates from -20°C to 60°C\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBattery: 6× 18650 flat-head batteries (not included)\u003c\/li\u003e\n\u003cli\u003eMax battery capacity: 6 × 3.7V × 3400mAh = 74Wh\u003c\/li\u003e\n\u003cli\u003eOutput: 12V 3–5A \/ 9V 1A \/ USB 5V 2–3A\u003c\/li\u003e\n\u003cli\u003ePeak output power: 60W\u003c\/li\u003e\n\u003cli\u003eCharger input: 12–13V DC adapter (not included)\u003c\/li\u003e\n\u003cli\u003eDC connector: 5.5×2.1mm (centre positive)\u003c\/li\u003e\n\u003cli\u003eOvercharge protection: 4.25V × 3\u003c\/li\u003e\n\u003cli\u003eOver-discharge protection: 2.75V × 3\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -20°C to 60°C\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRouter and modem backup during power cuts\u003c\/li\u003e\n\u003cli\u003eCCTV and IP camera continuous power\u003c\/li\u003e\n\u003cli\u003eLED lighting systems\u003c\/li\u003e\n\u003cli\u003eAudio systems and solenoid valves\u003c\/li\u003e\n\u003cli\u003eDIY power bank projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eImportant Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUse \u003cstrong\u003eflat-head 18650 batteries only\u003c\/strong\u003e — sharp-head batteries exceeding 2mm in length are not compatible\u003c\/li\u003e\n\u003cli\u003eSpring contacts = negative terminal; copper plate = positive terminal. Do not reverse — incorrect installation may cause damage\u003c\/li\u003e\n\u003cli\u003eUse matched batteries with consistent parameters for best performance\u003c\/li\u003e\n\u003cli\u003eBatteries and power adapter are \u003cstrong\u003enot included\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIn the Box\u003c\/h3\u003e\u003cp\u003e1× Solder-free battery box, 1× 0.3m output cable\u003c\/p\u003e","brand":"ZWalle ","offers":[{"title":"Default Title","offer_id":53987193782613,"sku":"14:193#Ship without Battery;200007763:201336100","price":24.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/6721\/3397\/files\/ups-flat-lay.png?v=1779462570","url":"https:\/\/shopzwalle.com\/products\/diy-ups-power-bank-box-18650-5v-9v-12v","provider":"ZWalle ","version":"1.0","type":"link"}