{"product_id":"acumulator-li-ion-cu-fire-3-7v-5000mah","title":"Li-Ion Battery with Wires, 3.7V, 5000mAh","description":"\u003cdiv class=\"cl-desc\"\u003e\n\n\u003cdiv class=\"cl-intro\"\u003e\n\n\u003ch2\u003e18650 Li-Ion Battery with Wires for DIY Projects and Portable Equipment\u003c\/h2\u003e\n\n\u003cp\u003eThis 3.7V 5000mAh rechargeable Li-Ion battery is the ideal solution for powering flashlights, portable projectors, DIY electronic devices, and equipment requiring a compact and efficient power source. 18650 format with pre-soldered connecting wires, ready for direct integration into your circuit.\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 with 5000mAh capacity — ensures hours of operation for your portable devices\u003c\/li\u003e\n\n\u003cli\u003ePre-soldered connecting wires — eliminates the need for soldering or additional adapters, connects directly to the circuit\u003c\/li\u003e\n\n\u003cli\u003eStandard 18650 format — compatible with a wide range of equipment and dedicated holders for this battery type\u003c\/li\u003e\n\n\u003cli\u003eRechargeable for hundreds of cycles — saves money in the long run compared to disposable batteries\u003c\/li\u003e\n\n\u003cli\u003eRobust construction with thermal protection — CE and RoHS certified Li-Ion cell for safe use\u003c\/li\u003e\n\n\u003cli\u003eCompact and easy to integrate — standard dimensions 18x65mm, ideal for confined spaces\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 it\u003c\/h2\u003e\n\n\u003cp\u003eThe battery connects directly to the electrical circuit via the pre-soldered red and black wires, observing the correct polarity. Charging is performed exclusively with dedicated Li-Ion chargers with overcharge protection, never with generic chargers that can damage the cell. After installation, the battery provides a stable voltage of 3.7V until complete discharge, at which point it must be reconnected to the charger.\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\u003eWhat kind of charger should I use for this battery?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eOnly special chargers for 18650 Li-Ion batteries, with overcharge protection. Generic or unsuitable chargers will irreversibly damage the cell and void the warranty.\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?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDepending on the charger, between 4 and 6 hours for a 0% to 100% charge. We recommend smart chargers with automatic shut-off.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"cl-faq-item\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I connect multiple batteries in series or parallel?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eYes, but it requires knowledge of electronics and proper charge management. For complex configurations, consult a specialist.\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\u003eLi-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\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\u003eConnection type\u003c\/td\u003e\n\n\u003ctd\u003ePre-soldered red\/black wires\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eEAN\u003c\/td\u003e\n\n\u003ctd\u003e0781499727554\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, covering manufacturing defects. 30-day return policy. Fast delivery by national courier throughout Romania.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":56801599914315,"sku":"Q-8C010","price":7.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1032\/2067\/4891\/files\/Acumulator-Li-Ion-37V-5000mAh-cu-Fire_65603bc2-1f15-4078-9c6e-c91729ed9e50.jpg?v=1773834750","url":"https:\/\/classlights.eu\/hu-eu\/products\/acumulator-li-ion-cu-fire-3-7v-5000mah","provider":"ClassLights","version":"1.0","type":"link"}