If you’re more advanced, you might like these power-dense and lightweight lithium ion polymer rechargeable cells.
These batteries come in many shapes and sizes, and require a special charger to fill them up. Some are small enough to wear on earrings or other jewelry.
Lithium cells are more delicate than alkaline battery packs and for this reason need more care and attention to prevent from being damaged-- you should never bend, puncture, crush, or otherwise abuse these batteries. We often wrap them in gaffer’s tape when embedding in projects, like here on the NeoGeo watch.
Lithium batteries can get hot during charging so they should also be charged off of fabric or the body. For that reason, we have a separate charger board. Unplug the battery from the connector to recharge from any USB port.
Projects you can build with a 110mAh lipoly battery:
Projects you can build with a 150mAh lipoly battery:
Projects you can build with a 500mAh lipoly battery:
Projects you can build with a 1200mAh lipoly battery:
Projects you can build with a 2000mAh lipoly batery:
Projects you can build with a 2500mAh lipoly battery:
Many of you ask how to power a large number of pixels on the go, like on a video jacket. Sure, you could wear a huge 6V lead-acid battery in your backpack, but these days there are some lighter-weight options available.
Another way to deliver juice to your power hungry wearable is through these USB battery packs. We sourced them for the Raspberry Pi, but this bigger one can deliver up to two amps, enough to charge your iPad, and has 10,000 milli-amp hours of capacity. FLORA is designed to handle up to 1A through USB port (2A from the battery JST port) so you can just plug in the pack into the USB port and it can drive up to 100 NeoPixel LEDs if not all of them are lit up at once or on full white
Projects you can build with a USB battery pack:
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