mBot Li-polymer Battery Ages 3 - 6 Ozobot color code markers are

Ozobot color code markers are washable and non-toxic

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mBot Li-polymer Battery Ages 3 - 6 Ozobot color code markers areThese are very slim, extremely light weight batteries based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in production. Each cells outputs a nominal 3. 7V at 2000mAh! This battery comes terminated with a standard 2 pin JST PH connector 2mm spacing between pins. Do not attempt to charge these with anything but a charger specifically designed for Lithium Ion batteries. These are very slim, extremely light weight