SparkFun Lithium Ion Battery 850mAh - Compact 3.7V Cell epaper hat touchless panels

touchless panels

We like this switch because it's easy to embed in a seam for easily powering up/off wearable and fabric projects

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18: UART jumper

SparkFun Lithium Ion Battery 850mAh - Compact 3.7V Cell epaper hat touchless panels3. 7V Lithium Ion Battery 850mAh The Lithium Ion Battery 3. 7V 850mAh is a rechargeable lithium cell with a JST connector, designed for portable electronics, wearables, IoT devices, and maker projects. Pair it with a LiPo charger like the TP4056 or Adafruit Micro Lipo. Safety: Lithium batteries can be dangerous if punctured, short circuited, or overcharged. Always use a proper LiPo charger with protection circuitry. 3. 7V battery size guide Capacity