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Compact rectangular battery tester with LCD bar graph and adjustable slider contacts

TEKCOPLUS BCTK-64 battery tester LCD 1.5V 9V button cell electrical system tool

SKU CH-YEJ9-E1F66 MPN BCTK-64

Tests C, AA, AAA, D, N, 9V and 1.55V button cells with a three-colour LCD bar graph, powered by the battery under test

  • Team affiliation1 Piece
  • Key featuresBattery Tester, Battery Powered, false
  • Overall height14.6 L x 10.7 W x 1.2 H centimeters
  • Overall width14.6 L x 10.7 W x 1.2 H centimeters
  • Overall length14.6 L x 10.7 W x 1.2 H centimeters
  • Product weight0.02 lb (0.01 kg)
  • Tests C, AA, AAA, D, N, 9V and 1.55 V button cells
  • Clear LCD bar graph shows remaining power at a glance
  • Tri-colour meter gives instant good-weak-replace indication
  • Powered by the battery under test so no internal cells needed
  • Compact 14.6 x 10.7 x 1.2 cm ABS and stainless steel body fits any toolbox

Universal battery tester

The TEKCOPLUS BCTK-64 checks remaining power in common household cells including AA, AAA, C, D, N, 9V 6F22 and 1.55V button types. An adjustable slider contacts each size and the LCD bar graph shows state of charge through a three-colour scale. The unit draws operating current from the cell under test so no separate supply is needed. Compact ABS and stainless steel construction fits a toolbox or drawer.

Home users and technicians needing quick checks

Suitable for anyone who wants an immediate good or weak indication on primary cells before use or disposal. Not for users who require a precise voltage reading in volts, internal resistance data, or capacity measurement under load. Builders needing to test rechargeable chemistries such as NiMH or Li-ion packs should look at dedicated analysers.

Adjustable contact slider for multiple sizes

The sliding contact arm physically adapts to every supported format from AAA through D and 9V, allowing one tool to cover all listed chemistries. Without this mechanism separate testers or adapter trays would be required for each cell type.

How it compares

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

Price $19.99
Cheaper than about 80% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameTEKCOPLUS, TekcoPlus Ltd
Product typeVoltmeter
Size & build
Overall height14.6 L x 10.7 W x 1.2 H centimeters
Overall width14.6 L x 10.7 W x 1.2 H centimeters
Overall length14.6 L x 10.7 W x 1.2 H centimeters
Product weight0.02 lb (0.01 kg)
More details
Team affiliation1 Piece

Questions about this item

Does the BCTK-64 handle both standard cylindrical cells and 9V blocks in one tool?

Yes, the adjustable slider fits C, AA, AAA, D, N, 9V (6F22) and 1.55V button cells, so a single tester covers all those sizes.

What does the three-colour LCD bar graph actually tell me about a battery?

It shows remaining power and overall health at a glance, letting you decide instantly whether the cell is good, weak or ready for recycling.

How does the tester work without its own power source, and what does that limit?

It draws the tiny current needed for the reading from the battery under test, so you should keep each check brief to avoid draining the cell.

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