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Small rectangular digital battery tester with LCD screen, lightweight 32g design, tests 1.2V to 4.8V and 9V cells

Digital Battery Tester LCD 1.2V-4.8V 9V Button Cells 32g

SKU CH-4MZT-Z0NHA

Tests AA, AAA, C, D, 9V and button cells from 1.2V to 4.8V with a clear LCD readout in a 32 g hand-held unit

  • Team affiliation1 Piece
  • Key featuresBattery tester, Battery Powered
  • Product weight32 g
  • Tests AA through 9V and button cells with one tool
  • LCD screen shows remaining power and health instantly
  • One-touch operation gives a result in seconds
  • Weighs 32 g so it fits in any drawer or toolkit
  • Covers 1.2 V to 4.8 V plus 9 V for household and hobby use

Universal Battery Checker

This digital battery tester supports cylindrical and rectangular cells from AA through D, plus 9 V and button types. It covers 1.2 V rechargeable and alkaline chemistries up to 4.8 V. The compact unit weighs 32 grams and fits easily in a drawer or toolkit. Ideal for households, hobbyists and anyone needing quick cell health checks.

Thermals Noise Power

The tester draws power only from the cell under test, so it adds no load to mains circuits. Operation is silent with no moving parts or active cooling. Normal use produces negligible heat and zero audible noise. Battery-powered design means no external supply is required.

Replaces Manual Guesswork

It replaces trial-and-error swapping of cells in devices by showing remaining capacity on the LCD. The jump is worth it when multiple battery types are used regularly and visual estimation is unreliable. Not suited for high-voltage packs, automotive starting batteries or industrial cell banks.

How it compares

Measured against everything we stock in Multimeters & Electrical Testers, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 77% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameTRAELY
Size & build
Product weight32 g
More details
Team affiliation1 Piece

Questions about this item

How do I insert a 9 V block into the tester and which contact orientation do people often reverse?

Slide the 9 V battery onto the dedicated snap contacts on the side of the unit; the smaller circular terminal is positive and the larger hexagonal one is negative — reversing them gives no reading.

What part will need replacement first and how often should I check it?

The tester runs on its own internal button cell; when the LCD dims or shows erratic segments, replace that cell — typically once every year or two with normal use.

At what voltage does the display stop giving a reliable health reading during a long test session?

The LCD is specified to show accurate remaining power down to 1.2 V for cylindrical cells and 4.8 V for the upper range; below those thresholds the indication becomes unreliable.

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