The BT189 battery tester provides fast, accurate testing for a wide range of household and specialty batteries. With a clear HD LCD screen, compact design, and no external power required, this tester is ideal for home use, electronics work, and on-the-go diagnostics.

Key Features

Quick Detection

• Delivers fast, reliable battery status readings—perfect for checking whether your batteries still have usable power.

Portable, Ultra-Small Design

• Compact size (92.2 × 61.4 × 13.5 mm)

• Lightweight at only 31.3 g, easy to carry in pockets, toolboxes, or travel kits.

No External Power Needed

• Operates entirely from the battery being tested—no charging, no cords, no fuss.

HD LCD Digital Display

• Clear, easy-to-read battery level and voltage information

• Great for low-light environments or quick visual checks

Universal Battery Compatibility

Supports many common and specialty batteries, including:

• , , C, D, N type

• 14500, 10440, 16340

• 1.5V & 3V button cells

• 9V rectangular batteries

• And more

Specifications

• Product Name: Battery Tester

• Model: BT189

• Material: ABS

• Weight: approx. 31.3 g

• Dimensions: 92.2 × 61.4 × 13.5 mm

• Compatible Battery Types:
  N type, 1#, 2#, 5#, 14500, 7#, 10440, 16340, button batteries, 9V batteries

Package Included

• 1 × BT189 Battery Tester

• Blister Packaging

Why This Tester Is a Great Buy

• Easy, fast, and accurate battery testing

• No power or setup required

• Compact and highly portable

• Compatible with a wide variety of household and specialty batteries

• Great for home, office, workshop, travel, or emergency kits