{"product_id":"usb-dc-solar-lithium-ion-polymer-charger-rev-c","title":"USB \/ DC \/ Solar Lithium Ion\/Polymer charger - Rev C","description":"\u003cp\u003eMake your projects to go green this summer with Adafruit's specialized USB\/Solar Lithium Ion Polymer Battery charger! This charger is a very unique design, perfect for outdoor projects, or DIY iPod chargers. They've spent over a year testing and tinkering with this charger to come up with a plug and play solution to charging batteries with the sun.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: Adafruit now have a newer, easier, and cheaper design for solar charging -\u003cspan\u003e \u003c\/span\u003echeck out the \u003ca href=\"\/en-eu\/products\/adafruit-universal-usb-dc-solar-lithium-ion-polymer-charger-bq24074\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ebq24074-based Adafruit Universal USB \/ DC \/ Solar Lithium Ion\/Polymer charger\u003c\/a\u003e!\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eIt has more input protection and wider voltage range, no need for a large capacitor, USB C, and more. We'll continue stocking this older design for folks who need it.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFor new Solar charging projects, please use the bq24074\u003c\/strong\u003e.\u003cbr\u003e\u003cbr\u003eEasy to use!\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/shop.pimoroni.com\/search?product_type=Battery\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePick up any of our many 3.7V\/4.2V LiIon batteries\u003c\/a\u003e, and a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.adafruit.com\/category\/67\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e6V solar panel\u003c\/a\u003e. Plug the battery into the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBATT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eport using a 2-pin JST cable and the solar panel into the DC jack using a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.adafruit.com\/products\/2788\"\u003e2.1mm adapter cable\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ePut the solar panel outside (and keep the battery out of the sun, it needs to be kept cool!) to start charging. You can power another project like a Mintyboost at the same time by connecting to the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLOAD\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoutput port\u003cbr\u003e\u003cbr\u003eOur carefully designed charger is designed specifically for solar charging, and will automatically draw the most current possible from the panel in any light condition! Even thought it isn't a 'true' MPPT (max power point tracker), it has near-identical performance without the additional cost of a buck-converter.\u003cspan\u003e Adafruit's \u003c\/span\u003e\u003ca href=\"http:\/\/learn.adafruit.com\/usb-dc-and-solar-lipoly-charger\"\u003edetailed tutorial on how to use this charger includes a design document explaining how it all works.\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eFor use with our Lipoly\/LiIon batteries only! Other batteries may have different voltage, chemistry, polarity or pinout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis product is only designed for use with solar panels sold at the Adafruit store. \u003c\/strong\u003eUsing larger panels, either higher voltage or current output, could also damage the charger.\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.adafruit.com\/products\/2788\"\u003eA 2.1mm adapter cable is also required to adapt a solar panel to the DC power jack.\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eComes with an assembled charger board, a 2-pin JST cable that will fit into either the BATT or LOAD ports, and a large stabilization capacitor that must be installed in your finished project.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDoes not come with a Lipoly battery or solar panel.\u003c\/strong\u003e Adafruit have updated the design to be a little more compact, have nicer mounting holes, and a 2.1mm DC jack\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e3.7V\/4.2V Lithium Ion or Lithium Polymer battery charger\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCharge with 5-6V DC, USB or 6V solar panel!\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eToo dark out?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"\/en-eu\/products\/usb-c-to-usb-a-cable-1m-black\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eUSB Type C cable\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/www.adafruit.com\/products\/276\"\u003e5V DC adapter\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAutomatic charging current tracking for high efficiency use of any wattage solar panel\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUse any 6V solar panel\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree color indicator LEDs\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e- Power good, Charging and Done\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Battery Indicator\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e(fixed at 3.1V) with LED output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet for 500mA max charge rate\u003c\/strong\u003e, can be adjusted from 50mA up to 1A by soldering in a resistor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWill always draw the most current possible from a solar cell\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e- up to the max charge rate!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart load sharing\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eautomatically uses the input power when available, to keep battery from constantly charging\/discharging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature monitoring\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eof battery by\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/www.adafruit.com\/products\/372\"\u003esoldering in a 10K NTC thermistor\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e(not included) - suggested for outdoor projects where the battery may get hot (50°C) or cold (0°C).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"tab-heading-row\"\u003e\n\u003ch2 id=\"tab-technical-details-heading\"\u003eTechnical Details\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel-collapse collapse in\" id=\"tab-technical-details-content\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-12 col-md-12 col-sm-12 col-xs-12\"\u003e\n\u003cp\u003e\u003cb\u003eRevision History:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAs of April 18, 2023\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e– Adafruit have updated this PCB with \u003ca href=\"https:\/\/github.com\/adafruit\/Adafruit_Pinguin\"\u003eAdafruit Pinguin\u003c\/a\u003e to make a lovely and legible silkscreen. They've also updated this to USB Type C instead of Mini B\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/learn.adafruit.com\/usb-dc-and-solar-lipoly-charger\/using-the-charger?view=all#downloads\"\u003eDatasheets, Fritzing object, and EagleCAD PCB files available in the product tutorial\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBoard Dimensions: 41mm x 33mm x 2mm (1.6\" x 1.3\" x 0.08\")\u003c\/li\u003e\n\u003cli\u003eThickness with 2.1mm SMT Barrel Jack: 12.6mm \/ 0.5\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul id=\"product-files\"\u003e\u003c\/ul\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003cimg height=\"80\" width=\"145\" alt=\"RoHS 2 2011 65 EU Compliant\" src=\"https:\/\/www.adafruit.com\/includes\/templates\/shop2019\/images\/RoHS2_2011_65_EU.svg\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003cimg height=\"80\" width=\"145\" alt=\"RoHS 2 2015 863 EU Compliant\" src=\"https:\/\/www.adafruit.com\/includes\/templates\/shop2019\/images\/RoHS2_2015_863_EU.svg\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":40804539269203,"sku":"ADA390","price":17.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/files\/390-06_23c3fc66-6ccd-44bb-8bdc-665cf8b08bf7.jpg?v=1684943215","url":"https:\/\/shop.pimoroni.com\/en-eu\/products\/usb-dc-solar-lithium-ion-polymer-charger-rev-c","provider":"Pimoroni Ltd","version":"1.0","type":"link"}