{"product_id":"acumulator-pentru-laptop-li-ion-3-7v-5000mah","title":"Laptop Battery, Li-Ion, 3.7V, 5000mAh","description":"\u003cdiv class=\"cl-desc\"\u003e\n\n\u003cdiv class=\"cl-intro\"\u003e\n\n\u003ch2\u003e18650 Li-Ion Battery for Portable Devices and Laptops\u003c\/h2\u003e\n\n\u003cp\u003eRechargeable 18650 type battery with 5000mAh capacity and 3.7V voltage, ideal for repairing laptop batteries or for use in flashlights, power banks, and other electronic devices. Universal format, compatible with standard 18650 holders, with a flat positive terminal for flexible mounting.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"cl-benefits\"\u003e\n\n\u003ch2\u003eWhat you get with this product\u003c\/h2\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eExtended autonomy — 5000mAh capacity for long use between device charges\u003c\/li\u003e\n\n\u003cli\u003eUniversal compatibility — standard 18650 format fits in laptop batteries, professional flashlights, DIY power banks\u003c\/li\u003e\n\n\u003cli\u003eFlat positive terminal design — facilitates mounting in battery packs where space is limited, without a protruding button top\u003c\/li\u003e\n\n\u003cli\u003eDurable Li-Ion construction — stable technology, with multiple recharge cycles and consistent performance over time\u003c\/li\u003e\n\n\u003cli\u003eVerified standard dimensions — 18mm diameter, 65mm length, integrates precisely into existing holders\u003c\/li\u003e\n\n\u003cli\u003ePrice-performance ratio — economical solution for battery repairs or DIY projects with real autonomy\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"cl-how\"\u003e\n\n\u003ch2\u003eHow it works and how to install\u003c\/h2\u003e\n\n\u003cp\u003eThe 18650 Li-Ion battery is charged with a dedicated charger for this type of battery, never directly from the mains. The cell is mounted in the holder or battery pack with the flat positive terminal oriented according to the device's diagram. When used in laptop packs, follow the series\/parallel connection order recommended by the original battery manufacturer. Avoid short circuits and storage at extreme temperatures.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"cl-faq\"\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdiv class=\"cl-faq-item\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use the battery directly in a laptop without a special charger?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eNo, the battery requires a dedicated charger for 18650 Li-Ion batteries. Do not connect it directly to uncontrolled voltage sources.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"cl-faq-item\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does a flat positive terminal mean and why does it matter?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe positive end is without a protruding button top, which allows mounting in battery packs with reduced space and direct contact with the protection board.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"cl-faq-item\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long does a full charge take and how many cycles does it last?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eA full charge takes 4-6 hours with an adequate charger. Quality Li-Ion batteries support over 500 recharge cycles before significant degradation.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"cl-specs\"\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eBattery type\u003c\/td\u003e\n\n\u003ctd\u003eLithium-Ion 18650\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eNominal voltage\u003c\/td\u003e\n\n\u003ctd\u003e3.7V\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\n\u003ctd\u003e5000mAh\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eBattery format\u003c\/td\u003e\n\n\u003ctd\u003e18650\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\n\u003ctd\u003e18mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eLength\u003c\/td\u003e\n\n\u003ctd\u003e65mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003ePositive terminal\u003c\/td\u003e\n\n\u003ctd\u003eFlat (button top absent)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eCase color\u003c\/td\u003e\n\n\u003ctd\u003eGreen\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eRecommended use\u003c\/td\u003e\n\n\u003ctd\u003eUniversal (laptop, flashlights, power bank)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eEAN\u003c\/td\u003e\n\n\u003ctd\u003e0781499727585\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"cl-warranty\"\u003e\n\n\u003ch2\u003eWarranty and support\u003c\/h2\u003e\n\n\u003cp\u003eThe product benefits from a 24-month warranty according to Romanian legislation for manufacturing defects. 30-day return policy from receipt of parcel. Fast delivery via national courier with tracking.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":56801647493451,"sku":"Q-8C014","price":6.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1032\/2067\/4891\/files\/Acumulator-Laptop-Li-Ion-37V-5000mAh-1_84180aa6-ecbd-4dcd-9fb0-c1fc52679cab.jpg?v=1773834701","url":"https:\/\/classlights.eu\/hu-eu\/products\/acumulator-pentru-laptop-li-ion-3-7v-5000mah","provider":"ClassLights","version":"1.0","type":"link"}