Summary

Self-supporting bodywork for Escornabot Singularis, you only need to print this piece and two wheels.
http://escornabot.com
https://escornabot.org/wiki/index.php/P%C3%A1gina_principal

3.7V 3400mAh 18650 rechargeable lithium battery
https://goo.gl/LeXuT9

Electronic parts to control recharge, discharge and power to 6V of the escornabot:
3.7V 4.2V Charger & Discharger Board DC DC 6V Converter Boost Module
https://goo.gl/f1qPmo

Micro USB to DIP 2.54mm Adapter Connector Module Board Panel
https://goo.gl/SNom6F