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Adafruit Industries is an open-source hardware company. The NYC based company designs and manufactures a number of electronics products, sells a wide variety of electronics components, tools, and accessories via its online storefront, and produces a number of learning resources, including written tutorials, introductory videos for beginners, and the longest running live video electronics show on the internet. 

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Adafruit USB Li-Ion/LiPoly Charger - v1.2
{"id":8608173192,"title":"Adafruit USB Li-Ion\/LiPoly Charger - v1.2","handle":"usb-liion-lipoly-charger-v1-2","description":"\u003cp\u003eThis is a Lithium Ion and Lithium Polymer battery charger. It uses a USB mini-B for connection to any computer or 'USB wall adapter'. Charging is performed in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-voltage trickle charge to keep the battery topped-up. The fast-charge current is 500mA by default, but is easily adjustable from 100mA up to 1000mA by soldering a through-hole resistor on-board.\u003cbr\u003e\u003cbr\u003eThis board is great for DIY projects because it has 3 indicator LEDs - one for power, one for charging status and a third that indicates when charging is complete. Keep the battery connected to the charger and pass power through the additional JST connector using the included cable!\u003cbr\u003e\u003cbr\u003eFor use with \u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/lithium-ion-polymer-battery-3-7v-1200mah\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eAdafruit Lipoly batteries only\u003c\/a\u003e. Other batteries may have different voltage, chemistry, polarity or pinout.\u003cbr\u003e \u003c\/p\u003e","published_at":"2017-01-30T19:22:00-05:00","created_at":"2017-01-30T19:22:48-05:00","vendor":"Adafruit","type":"Adafruit","tags":["Batteries","Charger","USB"],"price":1245,"price_min":1245,"price_max":1245,"available":true,"price_varies":false,"compare_at_price":1250,"compare_at_price_min":1250,"compare_at_price_max":1250,"compare_at_price_varies":false,"variants":[{"id":29778535880,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"K146","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit USB Li-Ion\/LiPoly Charger - v1.2","public_title":null,"options":["Default Title"],"price":1245,"weight":0,"compare_at_price":1250,"inventory_quantity":34,"inventory_management":"shopify","inventory_policy":"deny","barcode":null}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/259-00.jpg?v=1486784613","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/259-01.jpg?v=1486784614","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/259-02.jpg?v=1486784616"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/259-00.jpg?v=1486784613","options":["Title"],"content":"\u003cp\u003eThis is a Lithium Ion and Lithium Polymer battery charger. It uses a USB mini-B for connection to any computer or 'USB wall adapter'. Charging is performed in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-voltage trickle charge to keep the battery topped-up. The fast-charge current is 500mA by default, but is easily adjustable from 100mA up to 1000mA by soldering a through-hole resistor on-board.\u003cbr\u003e\u003cbr\u003eThis board is great for DIY projects because it has 3 indicator LEDs - one for power, one for charging status and a third that indicates when charging is complete. Keep the battery connected to the charger and pass power through the additional JST connector using the included cable!\u003cbr\u003e\u003cbr\u003eFor use with \u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/lithium-ion-polymer-battery-3-7v-1200mah\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eAdafruit Lipoly batteries only\u003c\/a\u003e. Other batteries may have different voltage, chemistry, polarity or pinout.\u003cbr\u003e \u003c\/p\u003e"}
Adafruit USB Li-Ion/LiPoly Charger - v1.2

Adafruit USB Li-Ion/LiPoly Charger - v1.2

$12.45

This is a Lithium Ion and Lithium Polymer battery charger. It uses a USB mini-B for connection to any computer or 'USB wall adapter'. Charging is performed in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-voltage trickle charge to keep the battery topped-up. The fast-charge current is 50...


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Adafruit Micro Lipo w/MicroUSB Jack - USB LiIon/LiPoly charger - v1 [ADA1904]
{"id":8608169928,"title":"Adafruit Micro Lipo w\/MicroUSB Jack - USB LiIon\/LiPoly charger - v1 [ADA1904]","handle":"adafruit-micro-lipo-w-microusb-jack-usb-liion-lipoly-charger-v1","description":"\u003cp\u003eThis lipo charger is small and easy to use. Can be mounted easily into any project. Plug it in via any MicroUSB cable into a USB port and a 3.7V\/4.2V lithium polymer or lithium ion rechargeable battery into the JST plug on the other end. You can purchase a \u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/lithium-ion-battery-3-7v-2000mah\" target=\"_blank\"\u003eLithium Ion Battery - 3.7v 2000mAh here\u003c\/a\u003e or a \u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/lithium-ion-polymer-battery-3-7v-1200mah\" target=\"_blank\"\u003e1200mAh Lithium Ion Battery here\u003c\/a\u003e.There are two LEDs - one red and one green. While charging, the red LED is lit. When the battery is fully charged and ready for use, the green LED turns on. \u003c\/p\u003e \u003cp\u003e\u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/adafruit-mini-lipo-w-mini-b-usb-jack-usb-liion-lipoly-charger-v1\" target=\"_blank\"\u003eThe MINI Lipo w\/Mini-B USB Jack - USB LiIon\/LiPoly charger can be found here\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCharging is performed in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-voltage trickle charge to keep the battery topped-up. The charge current is 100mA by default, so it will work with any size battery and USB port. If you want you can easily change it over to 500mA mode by soldering closed the jumper on the front, for when you'll only be charging batteries with 500mAh size or larger.\u003c\/span\u003e\u003c\/p\u003e","published_at":"2017-01-30T19:22:00-05:00","created_at":"2017-01-30T19:22:40-05:00","vendor":"Adafruit","type":"Adafruit","tags":["Batteries","Charger"],"price":690,"price_min":690,"price_max":690,"available":true,"price_varies":false,"compare_at_price":695,"compare_at_price_min":695,"compare_at_price_max":695,"compare_at_price_varies":false,"variants":[{"id":29778530952,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"K84","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit Micro Lipo w\/MicroUSB Jack - USB LiIon\/LiPoly charger - v1 [ADA1904]","public_title":null,"options":["Default Title"],"price":690,"weight":0,"compare_at_price":695,"inventory_quantity":230,"inventory_management":"shopify","inventory_policy":"deny","barcode":null}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1904-06.jpg?v=1486070918","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1904-01.jpg?v=1486070920","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1904-03.jpg?v=1486070923","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1904-04.jpg?v=1486070925","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1904-05.jpg?v=1486071657"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1904-06.jpg?v=1486070918","options":["Title"],"content":"\u003cp\u003eThis lipo charger is small and easy to use. Can be mounted easily into any project. Plug it in via any MicroUSB cable into a USB port and a 3.7V\/4.2V lithium polymer or lithium ion rechargeable battery into the JST plug on the other end. You can purchase a \u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/lithium-ion-battery-3-7v-2000mah\" target=\"_blank\"\u003eLithium Ion Battery - 3.7v 2000mAh here\u003c\/a\u003e or a \u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/lithium-ion-polymer-battery-3-7v-1200mah\" target=\"_blank\"\u003e1200mAh Lithium Ion Battery here\u003c\/a\u003e.There are two LEDs - one red and one green. While charging, the red LED is lit. When the battery is fully charged and ready for use, the green LED turns on. \u003c\/p\u003e \u003cp\u003e\u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/adafruit-mini-lipo-w-mini-b-usb-jack-usb-liion-lipoly-charger-v1\" target=\"_blank\"\u003eThe MINI Lipo w\/Mini-B USB Jack - USB LiIon\/LiPoly charger can be found here\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCharging is performed in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-voltage trickle charge to keep the battery topped-up. The charge current is 100mA by default, so it will work with any size battery and USB port. If you want you can easily change it over to 500mA mode by soldering closed the jumper on the front, for when you'll only be charging batteries with 500mAh size or larger.\u003c\/span\u003e\u003c\/p\u003e"}
Adafruit Micro Lipo w/MicroUSB Jack - USB LiIon/LiPoly charger - v1 [ADA1904]

Adafruit Micro Lipo w/MicroUSB Jack - USB LiIon/LiPoly charger - v1 [ADA1904]

$6.90

This lipo charger is small and easy to use. Can be mounted easily into any project. Plug it in via any MicroUSB cable into a USB port and a 3.7V/4.2V lithium polymer or lithium ion rechargeable battery into the JST plug on the other end. You can purchase a Lithium Ion Battery - 3.7v 2000mAh here or a 1200mAh Lithium Ion Battery here.There are tw...


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Adafruit Mini Lipo w/Mini-B USB Jack - USB LiIon/LiPoly charger - v1
{"id":8608168840,"title":"Adafruit Mini Lipo w\/Mini-B USB Jack - USB LiIon\/LiPoly charger - v1","handle":"adafruit-mini-lipo-w-mini-b-usb-jack-usb-liion-lipoly-charger-v1","description":"\u003cp\u003e\u003cspan\u003eThis lipo charger is easy to use. It can be mounted easily into any project. Simply plug it via any MiniUSB cable into a USB port and a 3.7V\/4.2V lithium polymer or lithium ion rechargeable battery into the JST plug on the other end. You can purchase a \u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/lithium-ion-battery-3-7v-2000mah\" target=\"_blank\"\u003eLithium Ion Battery - 3.7v 2000mAh here\u003c\/a\u003e or a \u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/lithium-ion-polymer-battery-3-7v-1200mah\" target=\"_blank\"\u003e1200mAh Lithium Ion Battery here\u003c\/a\u003e. There are two LEDs - one red and one green. While charging, the red LED is lit. When the battery is fully charged and ready for use, the green LED turns on.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/adafruit-micro-lipo-w-microusb-jack-usb-liion-lipoly-charger-v1\" target=\"_blank\"\u003eThe MICRO Lipo w\/MicroUSB Jack - USB LiIon\/LiPoly charger can be found here\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCharging is performed in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-voltage trickle charge to keep the battery topped-up. The charge current is 100mA by default, so it will work with any size battery and USB port. If you want you can easily change it over to 500mA mode by soldering closed the jumper on the front, for when you'll only be charging batteries with 500mAh size or larger.\u003c\/span\u003e\u003c\/p\u003e","published_at":"2017-01-30T19:22:00-05:00","created_at":"2017-01-30T19:22:38-05:00","vendor":"Adafruit","type":"Adafruit","tags":["Batteries","Charger"],"price":690,"price_min":690,"price_max":690,"available":true,"price_varies":false,"compare_at_price":695,"compare_at_price_min":695,"compare_at_price_max":695,"compare_at_price_varies":false,"variants":[{"id":29778529416,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"K83","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit Mini Lipo w\/Mini-B USB Jack - USB LiIon\/LiPoly charger - v1","public_title":null,"options":["Default Title"],"price":690,"weight":0,"compare_at_price":695,"inventory_quantity":39,"inventory_management":"shopify","inventory_policy":"deny","barcode":null}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1905-07.jpg?v=1486072088","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1905-01.jpg?v=1486072089","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1905-02.jpg?v=1486072091","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1905-05.jpg?v=1486072093","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1905-03.jpg?v=1486072094","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1905-04.jpg?v=1486072096","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1905-06.jpg?v=1486072097"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1905-07.jpg?v=1486072088","options":["Title"],"content":"\u003cp\u003e\u003cspan\u003eThis lipo charger is easy to use. It can be mounted easily into any project. Simply plug it via any MiniUSB cable into a USB port and a 3.7V\/4.2V lithium polymer or lithium ion rechargeable battery into the JST plug on the other end. You can purchase a \u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/lithium-ion-battery-3-7v-2000mah\" target=\"_blank\"\u003eLithium Ion Battery - 3.7v 2000mAh here\u003c\/a\u003e or a \u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/lithium-ion-polymer-battery-3-7v-1200mah\" target=\"_blank\"\u003e1200mAh Lithium Ion Battery here\u003c\/a\u003e. There are two LEDs - one red and one green. While charging, the red LED is lit. When the battery is fully charged and ready for use, the green LED turns on.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003ca href=\"https:\/\/kjdelectronics.myshopify.com\/products\/adafruit-micro-lipo-w-microusb-jack-usb-liion-lipoly-charger-v1\" target=\"_blank\"\u003eThe MICRO Lipo w\/MicroUSB Jack - USB LiIon\/LiPoly charger can be found here\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCharging is performed in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-voltage trickle charge to keep the battery topped-up. The charge current is 100mA by default, so it will work with any size battery and USB port. If you want you can easily change it over to 500mA mode by soldering closed the jumper on the front, for when you'll only be charging batteries with 500mAh size or larger.\u003c\/span\u003e\u003c\/p\u003e"}
Adafruit Mini Lipo w/Mini-B USB Jack - USB LiIon/LiPoly charger - v1

Adafruit Mini Lipo w/Mini-B USB Jack - USB LiIon/LiPoly charger - v1

$6.90

This lipo charger is easy to use. It can be mounted easily into any project. Simply plug it via any MiniUSB cable into a USB port and a 3.7V/4.2V lithium polymer or lithium ion rechargeable battery into the JST plug on the other end. You can purchase a Lithium Ion Battery - 3.7v 2000mAh here or a 1200mAh Lithium Ion Battery here. There are two L...


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Adafruit PowerBoost 500 Charger 500mA+
{"id":9121597704,"title":"Adafruit PowerBoost 500 Charger 500mA+","handle":"adafruit-powerboost-500-charger-500ma","description":"\u003cp\u003ePowerBoost 500C is the perfect power supply for your portable project. With a built-in battery charger circuit, you'll be able to keep your project running even while recharging the battery! This little DC\/DC boost converter module can be powered by any 3.7V LiIon\/LiPoly battery, and convert the battery output to 5.2V DC for running your 5V projects.\u003c\/p\u003e\n\u003cp\u003eTo make this even more useful, Adafruit added a MicroLipo charger on the other side. The charger circuitry is powered from a microUSB jack, and will recharge any 3.7V\/4.2V LiIon or LiPoly battery at 500mA max rate. There's two LEDs for monitoring the charge rate, a yellow one tells you its working, a green one lights up when its done. You can charge and boost at the same time no problem, without any interruption on the output so its fine for use as a \"UPS\" (un-interruptable power supply) for a low-current draw device. Just be aware that the charge rate is 500mA max, so if you're drawing more than ~300mA continuously from the 5V output side, the battery will slowly drain since the charge rate is less than the dis-charge rate.\u003cbr\u003e\u003cbr\u003eEach order comes with a fully assembled and tested PowerBoost 500C + USB jack. Does not come with a Lipoly or LiIon battery, \u003ca href=\"https:\/\/kjdelectronics.com\/collections\/adafruit\/products\/lithium-ion-battery-3-7v-2000mah?variant=29778536904\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ebut we do carry one in the shop perfect for your battery needs\u003c\/a\u003e. Also doesn't come with the nice iPhone or charger cable. \u003cbr\u003e\u003cbr\u003eIf you're trying to figure out how much current your project is using, check out the \u003ca href=\"https:\/\/kjdelectronics.com\/products\/adafruit-usb-charger-doctor-in-line-voltage-and-current-meter\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCharge Doctor\u003c\/a\u003e. \u003c\/p\u003e","published_at":"2017-04-06T17:01:00-04:00","created_at":"2017-04-03T16:02:17-04:00","vendor":"kjdElectronics","type":"Adafruit","tags":["Charger","USB"],"price":1490,"price_min":1490,"price_max":1490,"available":true,"price_varies":false,"compare_at_price":1495,"compare_at_price_min":1495,"compare_at_price_max":1495,"compare_at_price_varies":false,"variants":[{"id":33472652424,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"K200","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit PowerBoost 500 Charger 500mA+","public_title":null,"options":["Default Title"],"price":1490,"weight":0,"compare_at_price":1495,"inventory_quantity":34,"inventory_management":"shopify","inventory_policy":"deny","barcode":"1944"}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1944-00.jpg?v=1491249738","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1944-01.jpg?v=1491249741","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1944-02.jpg?v=1491249742","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1944-04.jpg?v=1491249744","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1944-03.jpg?v=1491249745"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1944-00.jpg?v=1491249738","options":["Title"],"content":"\u003cp\u003ePowerBoost 500C is the perfect power supply for your portable project. With a built-in battery charger circuit, you'll be able to keep your project running even while recharging the battery! This little DC\/DC boost converter module can be powered by any 3.7V LiIon\/LiPoly battery, and convert the battery output to 5.2V DC for running your 5V projects.\u003c\/p\u003e\n\u003cp\u003eTo make this even more useful, Adafruit added a MicroLipo charger on the other side. The charger circuitry is powered from a microUSB jack, and will recharge any 3.7V\/4.2V LiIon or LiPoly battery at 500mA max rate. There's two LEDs for monitoring the charge rate, a yellow one tells you its working, a green one lights up when its done. You can charge and boost at the same time no problem, without any interruption on the output so its fine for use as a \"UPS\" (un-interruptable power supply) for a low-current draw device. Just be aware that the charge rate is 500mA max, so if you're drawing more than ~300mA continuously from the 5V output side, the battery will slowly drain since the charge rate is less than the dis-charge rate.\u003cbr\u003e\u003cbr\u003eEach order comes with a fully assembled and tested PowerBoost 500C + USB jack. Does not come with a Lipoly or LiIon battery, \u003ca href=\"https:\/\/kjdelectronics.com\/collections\/adafruit\/products\/lithium-ion-battery-3-7v-2000mah?variant=29778536904\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ebut we do carry one in the shop perfect for your battery needs\u003c\/a\u003e. Also doesn't come with the nice iPhone or charger cable. \u003cbr\u003e\u003cbr\u003eIf you're trying to figure out how much current your project is using, check out the \u003ca href=\"https:\/\/kjdelectronics.com\/products\/adafruit-usb-charger-doctor-in-line-voltage-and-current-meter\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCharge Doctor\u003c\/a\u003e. \u003c\/p\u003e"}
Adafruit PowerBoost 500 Charger 500mA+

Adafruit PowerBoost 500 Charger 500mA+

$14.90

PowerBoost 500C is the perfect power supply for your portable project. With a built-in battery charger circuit, you'll be able to keep your project running even while recharging the battery! This little DC/DC boost converter module can be powered by any 3.7V LiIon/LiPoly battery, and convert the battery output to 5.2V DC for running your 5V proj...


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