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Four small black rectangular battery testers with analog needles and color-coded scales

UMLIFE BT-168 4-pack battery tester

SKU CH-QKSF-Q3PAM MPN BT-168

Tests AAA, AA, C, D, 9V and button cells with a color-coded analog needle, needs no battery, four testers included

  • FeaturesBattery Tester Checker, Battery Powered, false
  • Sports TeamSan Francisco 49ers
  • TypeVoltmeter
  • Tests AAA to 9V and 18650 cells in one compact unit
  • Analog needle shows good, low or replace status on colour scale
  • Operates without any internal battery for instant readiness
  • Four testers included so multiple locations stay equipped
  • Pocket-size ABS housing measures 11 × 6 × 2.5 cm for easy storage

Universal battery tester for home use

This four-pack of UMLIFE BT-168 testers checks AAA, AA, C, D, 9 V, 18650 and 1.5 V button cells. The analog needle moves across a colour-coded scale to show good, low or replace status instantly. No internal battery is required for operation. It suits anyone who regularly uses disposable or rechargeable cells around the house.

Compact ABS housing fits in a drawer or tool bag

Each unit measures 11 × 6 × 2.5 cm and weighs very little, so several can be stored together without taking up space. The tester draws power directly from the cell under test, freeing you from keeping spare button cells on hand. Its simple contacts accept a wide range of common cylindrical and rectangular formats.

Replaces guesswork and single-size checkers

Instead of relying on device behaviour or buying separate testers for each chemistry, this one tool covers every size listed in the specifications. The jump is worth it when you keep a mixed drawer of alkalines, NiMH cells and 9 V blocks and want a quick pass-or-fail reading without a digital multimeter.

Highlights

  • Tests AAA to 9V and 18650 cells in one compact unit
  • Analog needle shows good, low or replace status on colour scale
  • Operates without any internal battery for instant readiness
  • Four testers included so multiple locations stay equipped
  • Pocket-size ABS housing measures 11 × 6 × 2.5 cm for easy storage

Specifications

BrandUMLIFE
FeaturesBattery Tester Checker, Battery Powered, false
Sports TeamSan Francisco 49ers
TypeVoltmeter

Questions about this item

How long does the analog needle stay accurate when I test dozens of cells in a row?

The meter needs no internal battery, so the needle response does not drift during extended use; only the spring tension and pivot friction set the practical limit.

Does the tester get warm or make noise if I leave it checking batteries all afternoon?

No power source means no heat buildup and no fan or coil noise; the passive analog movement stays silent and cool.

What battery types must I already have on hand for the BT-168 to give a reading?

It reads 1.5 V cells (AAA, AA, C, D, 18650, button types) and 9 V blocks (PP3, 6F22) without any external supply.

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