{"title":"Lithium Ion Battery - 400mAh","handle":"lithium-ion-battery-400mah","url":"/products/lithium-ion-battery-400mah","description":"This is a very small, extremely lightweight battery based on Lithium Ion chemistry, with the highest energy density currently in production. Each cell outputs a nominal 3.7V at 400mAh! Comes terminated with a standard 2-pin JST-PH connector with 2mm spacing between pins. These batteries require special charging; do not attempt to charge these with anything but a specialized Lithium Polymer charger.The battery includes built-in protection against over voltage, over current, and minimum voltage. Please use caution when using this battery in wearable projects. When using conductive thread, a short in the thread can create sparks and heat. We recommend using coin cell batteries.Note: This battery is not available to ship to Alaska or Hawaii, or through any express services (2-day, overnight), or internationally. This is temporary! Check out our blog post for more information. Additionally orders may take longer to process and therefore do not qualify for same-day shipping. Sorry for any inconvenience this may cause!Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please do not hesitate to contact us to see if further actions may be taken.Dimensions:&nbsp;1.06\" x 1.48\" x 0.2\" (26.5mm x 36.9mm x 5mm)Weight: 9g&nbsp;Features:\nRated Capacity: 400mAh\nNominal Voltage 3.70V\nMax Charge Current: 1C (400mA)\nNormal Charge Current: 0.2C (80mA)\nDocuments:&nbsp;\nMSDS\nDatasheet\n","vendor":"SparkFun","product_type":"physical","in_stock":false,"options":[],"variants":[{"id":11094,"title":"Default Title","sku":"SF-PRT-13851","price":17.1,"on_sale":false,"in_stock":false,"available_quantity":0,"option1":"Default Title"}]}