A neonatal infant incubator apparatus (10) and a control system module (17), and methods and systems for using the control system module to control the microenvironment of the contained space (16) of the infant incubator apparatus (10). The neonatal infant incubator apparatus (10) including a collapsible frame (12) and a disposable housing (14) to create a closed contained space (16) with a controlled microenvironment. The control system module (17) is comprises a battery (32) and is configured to operate with low voltage； the control system module (17) configured to control the microenvironment, including regulating the temperature and gas composition, of the contained space (16), and includes an air circulation system (72) in air and/or fluid communication with the contained space (16). The systems, apparatus and methods are suitable for containing a full-term or premature infant in need of care in areas where power sources are limited, including e.g., rural or remote regions, third world countries, in a regular clinical setting and/or for transportation of the infant.
