{"product_id":"18650-rechargeable-lithium-ion-battery-37v-4-pack-power-cells-for-robotics-arduino-iot-devices-99n9j","title":"18650 Rechargeable Lithium Ion Battery 3.7V – 4 Pack Power Cells for Robotics, Arduino \u0026 IoT Devices","description":"\u003cp\u003e\u003c\/p\u003e\u003cdiv aria-hidden=\"true\" data-edge=\"true\" class=\"pointer-events-none h-px w-px absolute bottom-0\"\u003e\u003c\/div\u003e\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\" dir=\"auto\" data-turn-id=\"56acd277-8da8-4650-b23c-c67f140be93a\" data-testid=\"conversation-turn-16\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"8f10e0dc-8caa-4b53-ad9e-3f40a2e36436\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\" style='margin-right: 0px; margin-bottom: 0px; margin-left: 18px; color: rgb(15, 17, 17); padding: 0px; font-family: \"Amazon Ember\", Arial, sans-serif;'\u003e\n\u003cli class=\"a-spacing-mini\" style=\"list-style: disc; overflow-wrap: break-word; margin: 0px;\"\u003e\u003cspan class=\"a-list-item\" style=\"word-break: break-word !important;\"\u003eThe 3.7 V 4500 mAh Li-ion battery pack uses a 4 parallel design for consistent voltage and continuous current output. Each 18650 cell is individually tested for capacity and impedance uniformity, ensuring stable performance for robot controllers, Arduino boards, IoT modules, and STEM learning devices that require steady power delivery.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\" style=\"list-style: disc; overflow-wrap: break-word; margin: 0px;\"\u003e\u003cspan class=\"a-list-item\" style=\"word-break: break-word !important;\"\u003eCertified under UN 38.3, IEC 62133, CE, and RoHS, this battery pack features built-in PTC over-current protection and a pressure-relief vent to prevent overheating or short circuits. The durable PVC outer wrap adds mechanical and moisture resistance, ensuring safe operation and long service life for laboratories and educational use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\" style=\"list-style: disc; overflow-wrap: break-word; margin: 0px;\"\u003e\u003cspan class=\"a-list-item\" style=\"word-break: break-word !important;\"\u003eContaining four individual 18650 flat-top cells inside a protective case, this battery pack supports detachable use and custom assembly. No pre-soldered wires or plugs are included, ensuring safe shipping and flexible setup for DIY makers, school projects, and robotics experiments that require customizable power solutions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\" style=\"list-style: disc; overflow-wrap: break-word; margin: 0px;\"\u003e\u003cspan class=\"a-list-item\" style=\"word-break: break-word !important;\"\u003eSpecifically engineered for STEM education, robotics programming, Arduino courses, and IoT labs, this battery enables hands-on learning about electrical energy, circuit design, and renewable power concepts. Ideal for teachers demonstrating charging principles and students exploring applied engineering skills.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\" style=\"list-style: disc; overflow-wrap: break-word; margin: 0px;\"\u003e\u003cspan class=\"a-list-item\" style=\"word-break: break-word !important;\"\u003eSupports CC\/CV charging mode with over 500 recharge cycles and \u0026gt; 85% capacity retention. Comes with a protective storage box for safe carrying and organization. Professional after-sales support available via official website or online customer service for quick assistance and technical guidance.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003cdiv class=\"text-center\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/article\u003e\u003c\/div\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":52681567011116,"sku":"EJ9KWGKSP4G","price":87.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0855\/4070\/0460\/files\/hGzqZANHXPNgRAFx2yhqQTBR7HpvH9cdXrF38fEU.png?v=1771703949","url":"https:\/\/www.emall.ae\/products\/18650-rechargeable-lithium-ion-battery-37v-4-pack-power-cells-for-robotics-arduino-iot-devices-99n9j","provider":"EMALL","version":"1.0","type":"link"}