Knurled boxes for batteries (AAA, AA, 18650 and 21700)

Boxes for 4 pieces of different type of common batteries: AAA, AA, 18650 and 21700

Note: 18650 and 21700 cells have the specified sizes (d18x65 and d21x70) without insulation and positive connection pin. These cases will fit cells with insulation and positive pin.

If you like my work, consider buying me a coffee https://ko-fi.com/elektronchika