{"product_id":"3-7v-4000mah-li-ion-battery-jst-xh2-54-2-pin","title":"ELBOTICS 3.7V 4000mAh Rechargeable Li-ion Battery with JST XH2.54 2-Pin Connector for Bluetooth Speakers, LED Lights \u0026 DIY Electronic","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eELBOTICS 3.7V 4000mAh Rechargeable Li-ion Battery with JST XH2.54 2-Pin Connector\u003c\/strong\u003e is a reliable and high-capacity power solution designed for a wide range of portable electronic devices. Built with a \u003cstrong\u003e1S2P lithium-ion battery configuration\u003c\/strong\u003e, it delivers stable 3.7V output and a powerful 4000mAh capacity for extended runtime and dependable performance. Whether you need a replacement battery for a Bluetooth speaker or a dependable power source for LED lighting, DIY electronics, handheld devices, or robotics projects, this battery provides consistent power with enhanced safety.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-capacity \u003cstrong\u003e4000mAh\u003c\/strong\u003e lithium-ion battery for longer operating time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStable \u003cstrong\u003e3.7V DC output\u003c\/strong\u003e suitable for many portable electronic devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStandard \u003cstrong\u003eJST XH2.54 2-Pin connector\u003c\/strong\u003e for secure and easy installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1S2P battery configuration\u003c\/strong\u003e designed to provide reliable and consistent power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in protection against overcharging, over-discharging, overcurrent, and short circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRechargeable design supporting \u003cstrong\u003e500+ charge cycles\u003c\/strong\u003e under normal operating conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLightweight and compact construction for easy integration into compatible devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for replacing old or damaged rechargeable battery packs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 99.9589%; height: 215.416px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003cth style=\"width: 17.6287%; height: 19.5833px;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"width: 79.9109%; height: 19.5833px;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 17.6287%; height: 19.5833px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"width: 79.9109%; height: 19.5833px;\"\u003eELBOTICS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 17.6287%; height: 19.5833px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 79.9109%; height: 19.5833px;\"\u003eELB-103\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 17.6287%; height: 19.5833px;\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd style=\"width: 79.9109%; height: 19.5833px;\"\u003eLithium-Ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 17.6287%; height: 19.5833px;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"width: 79.9109%; height: 19.5833px;\"\u003e3.7V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 17.6287%; height: 19.5833px;\"\u003eCapacity\u003c\/td\u003e\n\u003ctd style=\"width: 79.9109%; height: 19.5833px;\"\u003e4000mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 17.6287%; height: 19.5833px;\"\u003eConfiguration\u003c\/td\u003e\n\u003ctd style=\"width: 79.9109%; height: 19.5833px;\"\u003e1S2P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 17.6287%; height: 19.5833px;\"\u003eConnector\u003c\/td\u003e\n\u003ctd style=\"width: 79.9109%; height: 19.5833px;\"\u003eJST XH2.54 2-Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 17.6287%; height: 19.5833px;\"\u003eRechargeable\u003c\/td\u003e\n\u003ctd style=\"width: 79.9109%; height: 19.5833px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 17.6287%; height: 19.5833px;\"\u003eBattery Weight\u003c\/td\u003e\n\u003ctd style=\"width: 79.9109%; height: 19.5833px;\"\u003eApprox. 100g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 17.6287%; height: 19.5833px;\"\u003eProtection\u003c\/td\u003e\n\u003ctd style=\"width: 79.9109%; height: 19.5833px;\"\u003eOvercharge, Over-discharge, Overcurrent \u0026amp; Short Circuit Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003ch3\u003eBluetooth Speakers\u003c\/h3\u003e\n\u003cp\u003eRestore the performance of compatible Bluetooth speakers with a reliable rechargeable battery that delivers stable power and longer playback time.\u003c\/p\u003e\n\u003ch3\u003eLED Lighting\u003c\/h3\u003e\n\u003cp\u003eSuitable for rechargeable LED lamps, emergency lights, portable lighting systems, and other low-voltage lighting applications.\u003c\/p\u003e\n\u003ch3\u003eDIY Electronics Projects\u003c\/h3\u003e\n\u003cp\u003ePerfect for makers, hobbyists, and engineers working on Arduino, robotics, IoT, and custom battery-powered electronic projects.\u003c\/p\u003e\n\u003ch3\u003ePortable Electronic Devices\u003c\/h3\u003e\n\u003cp\u003eCan be used in compatible handheld electronic devices, rechargeable equipment, GPS units, portable fans, and other battery-operated products that require a 3.7V lithium-ion battery with a JST XH2.54 connector.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose ELBOTICS\u003c\/h2\u003e\n\u003cp\u003eELBOTICS focuses on delivering dependable power solutions designed for everyday electronic applications. Every battery is manufactured using quality lithium-ion cells and includes built-in protection circuitry for improved safety and long-term reliability. Whether you are replacing an existing battery or building a new electronic project, ELBOTICS batteries are engineered to provide stable performance, longer service life, and consistent output.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSafety Instructions\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eUse only with compatible 3.7V devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlways verify the battery size and connector before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDo not puncture, crush, or expose the battery to fire or excessive heat.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCharge only with a compatible lithium-ion battery charger.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeep away from water, moisture, and direct sunlight.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStore the battery in a cool and dry place when not in use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeep out of reach of children.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 × ELBOTICS 3.7V 4000mAh Rechargeable Li-ion Battery with JST XH2.54 2-Pin Connector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy This Battery Is a Great Choice\u003c\/h2\u003e\n\u003cp\u003eIf you are looking for a dependable \u003cstrong\u003e3.7V 4000mAh rechargeable battery\u003c\/strong\u003e for Bluetooth speakers, LED lighting systems, DIY electronics, robotics, or other compatible electronic devices, the ELBOTICS battery offers an excellent combination of capacity, safety, and long-lasting performance. Its rechargeable design helps reduce replacement costs while providing reliable power for everyday use.\u003c\/p\u003e","brand":"Elbotics","offers":[{"title":"Default Title","offer_id":53980324430142,"sku":"ELB-103-4000mAh XH2.54","price":549.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/5534\/5726\/files\/71nEVhpRk3L._SL1500.jpg?v=1785237007","url":"https:\/\/elbotics.com\/products\/3-7v-4000mah-li-ion-battery-jst-xh2-54-2-pin","provider":"Elbotics","version":"1.0","type":"link"}