Check the battery group
The NOCO BG24 holds a Group 24 battery. NOCO lists the BG31 for Group 24 to 31 sizes. Check your battery's exact size and the maker's install instructions.
Source: NOCO BG31 support (opens in a new tab)
Check every part
Before you reuse a box, make sure the lid, mounting tray, strap and any divider are all there and not damaged. Testing the battery is a separate job. The batteries in the photos do not come with these boxes.
Source: NOCO BG24 support (opens in a new tab)
We checked this information on September 26, 2026. Before you use a product, follow the maker's current instructions for that exact model.
Common questions
Which battery fits a NOCO BG24 or BG31 box?
The NOCO BG24 holds a Group 24 battery. NOCO lists the BG31 for Group 24 to 31 sizes. Check your battery's exact size and the maker's install instructions.
What parts should a used battery box have?
The lid, mounting tray, strap and any divider should all be there and not damaged.
Does the battery come with the box?
No. The batteries in the photos do not come with these boxes. Testing the battery is a separate job.