Custodia porta batteria 1/2/3/4x 18650 parallela/serie con filo scatola batteria fai da te
Holds 1/2/3/4 x 18650 batteries (batteries not included). 18650 Battery holder x 1pcs. Number of sections: 1/2/3/4x. You can choose your desired size from the drop-down box above. Type: Series/Parallel.