{"product_id":"suport-acumulator-3-7v-18650-x-4","title":"3.7V 18650 Battery Holder X 4","description":"\u003cdiv class=\"cl-desc\"\u003e\n\n\u003cdiv class=\"cl-intro\"\u003e\n\n\u003ch2\u003e18650 Battery Holder for DIY Projects and Custom Power Banks\u003c\/h2\u003e\n\n\u003cp\u003eThis compact holder for 4 x 18650 batteries facilitates quick assembly of portable power systems. Ideal for DIY lighting projects, power banks, or electronic devices requiring a flexible and easily configurable power source. Simple connection via integrated wires, compact dimensions, durable construction.\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\u003eQuick assembly of 18650 batteries without soldering or special tools — simply insert batteries and connect wires\u003c\/li\u003e\n\n\u003cli\u003eCompatible with all standard 18650 Li-ion batteries for maximum project flexibility\u003c\/li\u003e\n\n\u003cli\u003eCompact 66x75 mm design for easy integration into small enclosures or portable equipment\u003c\/li\u003e\n\n\u003cli\u003eExtended red and black wires for direct connection to a controller or charging circuit\u003c\/li\u003e\n\n\u003cli\u003eDurable plastic construction with metal contacts for long-lasting use\u003c\/li\u003e\n\n\u003cli\u003eAffordable solution for rapid prototyping and battery life testing\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\u003eInsert the 4 x 18650 batteries into the holder slots, observing the marked polarity. The holder's configuration connects the batteries in series or parallel according to your design, achieving the desired voltage and capacity. Connect the red and black wires to your electronic circuit, charging controller, or inverter. No soldering or special tools required — assembly takes less than 5 minutes manually.\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\u003eAre the 18650 batteries included in the package?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eNo, the holder is supplied empty. 18650 batteries are purchased separately according to the desired capacity and quality for your project.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"cl-faq-item\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use this holder for a power bank or solar system?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eYes, it is compatible with any project requiring 18650 battery power. Add a suitable BMS charging controller for complete protection.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"cl-faq-item\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow are the batteries connected — series or parallel?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe configuration depends on the specific model. Check the internal contact diagram or test with a multimeter to determine the final voltage before connecting to the circuit.\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\u003eCompatible battery 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\u003eNumber of slots\u003c\/td\u003e\n\n\u003ctd\u003e4 positions\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eLength\u003c\/td\u003e\n\n\u003ctd\u003e66 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eHeight\u003c\/td\u003e\n\n\u003ctd\u003e75 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eConnection wires\u003c\/td\u003e\n\n\u003ctd\u003eExtended Red\/Black\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\n\u003ctd\u003ePlastic with metal contacts\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003ePackage contents\u003c\/td\u003e\n\n\u003ctd\u003e1 x 18650 Battery Holder x 4\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 in accordance with Romanian legislation. 30-day return policy. Fast delivery by national courier in Romania.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":56801660371275,"sku":"Q-7H020","price":1.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1032\/2067\/4891\/files\/suport-acumulator-37v-18650-x-4_9621f59d-060b-4b04-83ed-785e50f36e92.jpg?v=1773834628","url":"https:\/\/classlights.eu\/hu-eu\/products\/suport-acumulator-3-7v-18650-x-4","provider":"ClassLights","version":"1.0","type":"link"}