Battery Tester
Battery testers are allowed in both carry-on and checked bags without restriction.
Carry-on
Allowed
Checked
Allowed
Carry-on details
Allowed. A battery tester is a small diagnostic electronic device with no restriction — it's screened like any other small gadget.
Checked-bag details
Allowed. No restriction in checked baggage.
FAQ
- Is a battery tester restricted the same way batteries are?
- No — the tester itself is an ordinary small electronic device with no restriction. The batteries you're testing follow their own rules depending on chemistry.
Related items
Source: TSA — What Can I Bring? · Last verified: 2026-08-02
Final decision rests with the security officer at the checkpoint.