Battery Lithium-Ion Cylindrical 3.7V 2200mAh - 18650 raspi robot board For Arduino

For Arduino

and Project Builds

This extension board uses 74hc244

For most people

such as: automatically re-send lost packets and generate acknowledge signal

Battery Lithium-Ion Cylindrical 3.7V 2200mAh - 18650 raspi robot board For Arduino18650 Lithium Ion Cell 3. 7V 2200mAh The 18650 Lithium Ion Cylindrical Battery (3. 7V, 2200mAh) is the industry standard rechargeable cell used in laptop battery packs, power banks, flashlights, and DIY battery projects. Use with an 18650 holder and a compatible charger. 18650 cell comparison Cell Capacity Max drain Best for Standard 2200mAh (this) 2200 mAh Standard General use, power banks Samsung 25R 2500 mAh 20A continuous High drain: motors,