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Rectangular grey unit with colour LCD screen and attached clamps

ESTONE

ESTONE KW510 12V Battery Tester Charger Maintainer 100-2000 CCA

SKU CH-T620-SC7Q0 MPN KW510

Tests, charges, maintains and desulfates 12 V lead-acid and lithium batteries from 100 to 2000 CCA with pulse repair on a colour LCD

  • Energy Star statusEnergy Star Qualified
  • Size or dimensions7.68 × 5.83 × 2.72 in
  • Number of items1 x KW510 Smart Battery Charger 1 x Charging Cable 1 x User
  • Sold asSet
  • Product typeMultifunction Testers
  • Key featuresAll-in-one Battery Charger: KONNWEI KW510 is a professional
  • 3-in-1 tester, charger and maintainer simplifies battery care
  • 100-2000 CCA range covers cars, bikes, trucks and more
  • Pulse repair and desulfation restore tired lead-acid cells
  • Large colour LCD shows results at a glance
  • Tests flooded, AGM, gel and lithium-ion 12 V batteries

Product Purpose

The ESTONE KW510 is a 12 V battery tester, charger and maintainer designed for automotive and light-marine lead-acid and lithium-ion batteries. It combines conductance testing, pulse-repair desulfation and trickle charging in one handheld unit for professional or enthusiast use.

Who It Suits

Workshops and owners who need to diagnose starting and charging faults, recover sulfated batteries and maintain seasonal vehicles such as motorcycles, ATVs, lawn tractors and cars. It is not for buyers who require 6 V support, high-voltage EV pack analysis, or a pure load-tester without charging functions.

Deciding Specification

The tester covers a conductance range of 100 to 2000 CCA and works with flooded, AGM flat-plate, AGM spiral, gel and 12 V lithium-ion chemistries. If your batteries fall outside that CCA window or use a different voltage, this unit will not test or charge them.

How it compares

Measured against everything we stock in Meters, Testers & Measuring Tools, at today’s prices. Recalculated every night.

Price $48.99
Typical for this category: the median of 3,030 items is $54.99.

Specifications

Product
Brand nameESTONE
Model nameKW510
Product typeMultifunction Testers
Size & build
Size or dimensions7.68 × 5.83 × 2.72 in
In the box
Number of items1 x KW510 Smart Battery Charger
1 x Charging Cable
1 x User Manual
Environment & compliance
Energy Star statusEnergy Star Qualified

Questions about this item

How do I connect the KW510 to a 12-volt battery for testing?

Clamp the red lead to the positive terminal and the black lead to the negative terminal, then select the battery type and rating standard on the colour LCD before starting the conductance test.

Which consumable parts will need replacement over time?

The supplied charging cable clamps can wear or corrode; inspect them regularly and replace the cable assembly if the jaws no longer grip cleanly.

What is the highest cold-cranking-amp value the tester can read before it stops measuring?

The conductance tester tops out at 2000 CCA, so batteries rated above that limit will not return a valid result.

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