Customizable & stackable beer crate for batteries

Customizable and now also stackable beer crate for all types of batteries:The AA-crate can hold 12 BatteriesThe AAA-crate can hold 20 BatteriesThe 9V-crate can hold 5 BatteriesThe 18650-crate can hold 6 Batteries but is 18mm higherThe empty version you can chose for button cells and other small partsThe Bottom is universal, you can glue it on every of these models that these are stackable.