PORTABLE BATTERY CONTAINERS

Apparatus for protecting batteries from impact, dust, dirt, moisture, smoke, and flame comprised of a container that accepts modular battery inserts that releasably retain batteries. Apparatus for protecting batteries capable of capturing batteries between insertable structures and the protective container walls. The apparatus can include insertable structures that can be inserted into the container in multiple orientations to provide or restrict access to batteries retained in said insertable structures. The apparatus can include electronics within the container, configured to charge batteries stored in the container either by utilizing an onboard power source such as an additional battery or an external power source such as household alternating current power, or both.