2 Pieces Battery Tester Control, Universal Battery Control Model BT-168 AA AAA C D 9V 1.5V Button Batteries Small Electrical Equipment (No Battery Required for Operation)

Description

🔋 Never get caught powerless again — test smarter, live charged!

The BT-168 Battery Tester by VTECHOLOGY is a compact, lightweight device designed to test a wide range of household batteries including AA, AAA, C, D, 9V, and button cells. It requires no internal battery to operate, using the battery under test to power the analog display that clearly indicates battery health with color-coded signals. Perfect for professionals and everyday users alike, it ensures you always know when to recharge or replace your batteries, preventing downtime and keeping your devices running smoothly.