{"product_id":"5v-2-1a-lithium-battery-charging-discharging-module","title":"5V 2.1A Lithium Battery Charging \u0026 Discharging Module","description":"\u003cp data-mce-fragment=\"1\"\u003eEfficiently charge and discharge your lithium battery with this 5V 2.1A module. Ideal for DIY mobile power projects, it includes battery protection, a 4.2V charging function, and an indicator module to monitor battery levels. Compatible with 3.7V 18650 batteries.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i0.3908GA6gGA6gGy\"\u003eCharging voltage: DC 4.5V-5.5V (recommended DC 5V)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eCharging current : 0-2.1A\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eCharging quiescent current: 100uA\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eFull voltage: 4.2V+-1%.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eDischarge current: 0-3.5A;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eDischarge quiescent current: 50uA\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eDischarge efficiency: 96% maximum\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eOutput voltage: 5V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eOutput current: 0-2.1A;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eAmbient temperature: -20° to +85°\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eModule with lithium battery protection function (for lithium battery without\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eprotection, with protection board)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i1.3908GA6gGA6gGy\"\u003eOvercurrent protection (OCP)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eOvervoltage protection (OVP)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eShort circuit protection (SCP)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eOver temperature protection (OTP)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eCharge and discharge power level 4 interval indication\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePin Definition\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eVIN: Charging port is input+ (DC 4.5V - 5.5V) \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eGND: Charging port is input - \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eGND: Lithium Battery - \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eBAT: Lithium Battery +\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eGND: Output Negative Output - \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eVOUT: Output Positive Output +\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eKEY: Output enable trigger port (Low Pulse Trigger)\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePlease Note \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan\u003eThe use of this electronic product requires a certain knowledge base. If you do not\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eunderstand, please be careful to buy it. Otherwise, it may be damaged due to\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eimproper use or over-range use. Thank you for your understanding and support.\u003c\/span\u003e\u003c\/div\u003e","brand":"Rapid Robotics Australia","offers":[{"title":"Default Title","offer_id":41361369759855,"sku":"RR-4A-RAP","price":2.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0011\/6464\/0314\/files\/MH-cd42.jpg?v=1705653303","url":"https:\/\/rapidroboticsaustralia.com.au\/products\/5v-2-1a-lithium-battery-charging-discharging-module","provider":"Rapid Robotics Australia","version":"1.0","type":"link"}