1.2V‑4.8V Battery Checker for Small Batteries Button Cell Tool 1.2V‑4.8V Battery Tester BT‑168PRO Digital LCD Battery Tester

1.2V‑4.8V Battery Checker for Small Batteries Button Cell Tool 1.2V‑4.8V Battery Tester BT‑168PRO Digital LCD Battery Tester

Aliexpress UK