BT-168D Digital LCD Universal Battery Capacity & Voltage Tester (for AA, AAA, C, D, 9V & Lithium Cells)

Description

The BT-168D Digital Battery Tester is an essential, highly versatile diagnostic tool designed to quickly check the power level and health of virtually all standard, alkaline, and rechargeable household batteries. Featuring an easy-to-read digital LCD screen, this compact checker eliminates guesswork by instantly displaying precise voltage levels and color-coded status evaluations across a massive array of cell sizes, including AA, AAA, C, D, 9V rectangular batteries, button mini-cells, and 3.7V lithium-ion cylindrical cells (such as 18650, 16340, 14500, and 10440).

Engineered for ultimate convenience, the BT-168D requires no external batteries or power adapters to operate—it draws a tiny operational sample directly from the battery under test to power the digital display and swing the testing meter. Its sliding mechanical arm adjusts smoothly to securely clamp different battery lengths, making it a must-have pocket tool for households, workshops, and electronics hobbyists.

Note: Ensure correct polarity alignment (positive and negative terminals) when docking batteries into the testing slots. Package includes 1 BT-168D digital battery tester unit.

Key Features

• Universal Battery Compatibility: Tests an enormous variety of common cell types, including 1.5V (AA, AAA, C, D), 9V blocks, miniature button cells, and 3.7V lithium batteries (18650, 16340, 14500, 10440).
• Clear Digital LCD Screen: Replaces traditional analog dials with a precise digital read-out for exact voltage measurement and clear capacity status.
• Zero External Power Required: Operates entirely on the residual power of the battery being tested, requiring no internal batteries or charging cables.
• Adjustable Sliding Arm Clamp: Spring-loaded mechanical slider accommodates everything from tiny AAA cells up to heavy-duty D and 18650 batteries.
• Color-Coded Health Zones: Immediate visual evaluation highlights whether a battery is in “Good” condition, running “Low,” or needs to be “Replaced/Recharged.”
• Compact & Lightweight Design: Pocket-sized form factor (approx. 11 × 6 cm) makes it easy to carry in a tool bag, drawer, or travel kit.

Benefits

• Stop Throwing Away Good Batteries: Accurately test half-used batteries to salvage working cells for remote controls, flashlights, and low-drain devices.
• Fast & Hassle-Free Testing: Simply snap a battery into the sliding dock to get an instant reading within seconds—no setup or menu configurations required.
• Multi-Chemistry Support: A single handy checker handles alkaline, carbon-zinc, rechargeable NiMH, and lithium-ion cylindrical chemistries.
• Prevent Device Damage: Check older or leaking batteries before installing them into sensitive electronics to prevent corrosion and acid leaks.

Applications

• Household Battery Sorting: Quickly audit junk drawers, remote controls, toy boxes, and emergency flashlights for working batteries.
• Vape & Flashlight Maintenance: Testing 18650 and 14500 lithium cells used in high-drain LED flashlights and custom mods.
• Workshop & Electronics Bench: Rapidly checking loose project batteries, button cells, and 9V smoke detector backups.
• Travel & Emergency Kits: Portable power diagnostic tool for camping gear, radios, and portable electronics.

Package Includes

• 1 x BT-168D Digital LCD Universal Battery Capacity Tester
• 1 x Instruction Manual / Quick Guide

Specifications