{"product_id":"2-x-18650-battery-holder-with-on-off-switch-case","title":"2 x 18650 Battery Holder With ON\/OFF Switch Case","description":"\u003ch1\u003e2 x 18650 Battery Holder With ON\/OFF Switch Case\u003c\/h1\u003e\n\n\u003cp\u003eThis plastic-covered 2 x 18650 battery holder with an integrated ON\/OFF switch provides a clean, finished power solution for your portable electronics projects. Designed to hold two 18650 3.7V batteries in series, it delivers a combined 7.4V output. Ideal for makers, students, and hobbyists building battery-powered circuits.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBattery configuration: 2 x 18650 (3.7V each) in series\u003c\/li\u003e\n\u003cli\u003eOutput voltage: 7.4V (combined)\u003c\/li\u003e\n\u003cli\u003eSwitch: Built-in ON\/OFF toggle\u003c\/li\u003e\n\u003cli\u003eCover: Removable sliding cover with locking screw\u003c\/li\u003e\n\u003cli\u003eMaterial: Plastic casing\u003c\/li\u003e\n\u003cli\u003eOutput: Pre-wired leads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino Uno, Mega, Nano\u003c\/li\u003e\n\u003cli\u003eESP32 and ESP8266 development boards\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi (via voltage regulator)\u003c\/li\u003e\n\u003cli\u003eSTM32 and other 5V\/3.3V microcontrollers\u003c\/li\u003e\n\u003cli\u003eGeneral DIY electronics projects requiring 7.4V power\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePortable weather station with Arduino and sensors\u003c\/li\u003e\n\u003cli\u003eBattery-powered robot chassis with motor drivers\u003c\/li\u003e\n\u003cli\u003eWireless sensor node using ESP32 for IoT applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component from Compoden comes with a free AI build companion — delivered via QR, email, or WhatsApp — that helps you wire and program this part into a working project. With 10 years of experience supplying makers and institutions across India, we ensure reliable parts for your builds. Pay your way: UPI, cards, or Cash on Delivery, anywhere in India.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the output voltage of this holder?\u003c\/summary\u003e\n\u003cp\u003eWhen two 18650 3.7V batteries are inserted, they connect in series to provide a combined output of 7.4V.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for 2 x 18650 Battery Holder With ON\/OFF Switch Case?\u003c\/summary\u003e\n\u003cp\u003eYou can pay via UPI, debit\/credit cards, or Cash on Delivery (COD). All payment options are available across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\n\u003cp\u003eWe ship this battery holder across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery typically takes 3–7 business days depending on your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp\u003eBuy 2 x 18650 Battery Holder With ON\/OFF Switch online in India — a reliable power solution for your next project, with COD and UPI available across India.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"2 x 18650 Battery Holder With ON\/OFF Switch Case\",\n  \"description\": \"Plastic-covered 2 x 18650 battery holder with ON\/OFF switch, series connection for 7.4V output. 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