The following packagings are authorized, provided that the general provisions of 4.1.1 and 4.1.3 are met:

Batteries may be transported unpacked or in protective enclosures (e.g. fully enclosed or wooden slatted crates). The terminals shall not support the weight of other batteries or materials packed with the batteries.

Packagings need not meet the requirements of 4.1.1.3.

Note: The packagings authorized may exceed a net mass of 400 kg (see 4.1.3.3).

Additional requirement:
Batteries shall be protected against short circuit and shall be isolated in such a manner as to prevent short circuits.