{"product_id":"black-3-7v-to-9v-5v-multimeter-modified-18650-lithium-battery-charge-boost-and-discharge-integrated-adjustable-module-2a-type-c","title":"Black 3.7V to 9V 5V Multimeter Modified 18650 Lithium Battery Charge Boost and Discharge Integrated Adjustable Module 2A（Type C）","description":"\u003cp\u003eThis integrated 18650 lithium battery module combines charging, boost, and discharge functions in one compact board. Designed for single 3.7V lithium cells (4.2V full charge), it supports adjustable boost output from 4.2V to 28V with up to 5W power. Featuring Type-C input and programmable charging current up to 1A, it ensures stable constant current\/constant voltage charging. Built-in protections include over-temperature, soft start, reverse polarity, 0V activation, and 2.9V trickle charging. Dual LED indicators (Red: CHRG, Blue: STDBY) clearly show charging and standby status. Ideal for multimeter modification and portable DIY power applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eIntegrated charging, boost, and discharge module\u003c\/li\u003e\n\u003cli\u003eSupports single 3.7V lithium battery (4.2V full)\u003c\/li\u003e\n\u003cli\u003eProgrammable linear charging current up to 1A\u003c\/li\u003e\n\u003cli\u003eAdjustable boost output: 4.2V–28V\u003c\/li\u003e\n\u003cli\u003eMaximum output power: 5W\u003c\/li\u003e\n\u003cli\u003eType-C input interface\u003c\/li\u003e\n\u003cli\u003eDual LED status indication (CHRG\/Standby)\u003c\/li\u003e\n\u003cli\u003eOver-temperature \u0026amp; reverse connection protection\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch4\u003ePackage Includes:\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003e1 x Black 3.7V to 9V 5V Multimeter Modified 18650 Lithium Battery Charge Boost and Discharge Integrated Adjustable Module 2A（Type C）\u003c\/span\u003e\u003c\/p\u003e","brand":"Voltros .in","offers":[{"title":"Default Title","offer_id":52101628264744,"sku":null,"price":42.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0947\/7908\/1000\/files\/download.avif?v=1784047672","url":"https:\/\/voltros.in\/products\/black-3-7v-to-9v-5v-multimeter-modified-18650-lithium-battery-charge-boost-and-discharge-integrated-adjustable-module-2a-type-c","provider":"WHITEVALLEY TECHNOLOGIES PRIVATE LIMITED","version":"1.0","type":"link"}