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Handheld battery tester with colour screen, black and orange casing, clamp leads attached

LUOM

LUOM KW650 6V 12V Battery Tester 100-2000 CCA electronic

SKU CH-DGKS-MBKAE MPN KW650

Tests 6 V and 12 V batteries from 100 to 2000 CCA with 99.5 % accuracy and starter or alternator checks

  • Fit typeKONNWEI KW650 6 V 12 V Car Battery Tester, 100-2000 CCA Batt
  • Key featuresKW650 Battery Load Tester Key Features 1. Strong Capacity: W
  • Overall height7.13 in (18.1 cm)
  • Overall width6.02 in (15.3 cm)
  • Overall length2.17 in (5.51 cm)
  • Product weight1.2 lb (0.54 kg)
  • Tests 6V and 12V batteries from 100 to 2200 CCA
  • Checks flooded, AGM flat plate, AGM spiral and gel types
  • Colour screen allows in-vehicle or out-of-vehicle testing
  • Shows SOH, SOC, CCA value, voltage and internal resistance
  • Provides Good, Recharge or Replace advice with bad-cell detection

Purpose and Audience

The LUOM KW650 tests 6V and 12V lead-acid batteries rated from 100 to 2200 CCA. It evaluates cranking and charging systems on cars, SUVs, light trucks, motorcycles, boats and lawn mowers. A colour screen shows results in seconds without removing the battery. The tool suits DIY owners and professional technicians who need fast health, charge and CCA readings.

Who Should Choose Another Tool

Users who work with lithium or high-voltage EV packs cannot use this tester. It does not support batteries outside the 6V or 12V range or ratings above 2200 CCA. Shops that require integrated printer output or wireless data logging will need different equipment.

Deciding Specification

The supported test standards are CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE and GB. Match the battery label to one of these standards; if the required standard is absent the tester cannot give a valid result.

How it compares

Measured against everything we stock in Diagnostic Tools & RV Electronics, at today’s prices. Recalculated every night.

Price $49.99
Pricier than about 78% of the 432 comparable items (median $18.99).

Specifications

Product
Brand nameKONNWEI
Model nameKW650
Size & build
Overall height7.13 in (18.1 cm)
Overall width6.02 in (15.3 cm)
Overall length2.17 in (5.51 cm)
Product weight1.2 lb (0.54 kg)
Compatibility
Fit typeKONNWEI KW650 6 V 12 V Car Battery Tester, 100-2000 CCA Battery Load Tester Automotive Battery and Alternator Tester for Vehicles/Marine/Motorcycle/Lawn Mover

Questions about this item

Does the KW650 get hot or noisy when I run back-to-back battery tests all day?

The handheld tester has no fan or moving parts, so it stays silent and only warms slightly during the few seconds each 100-2000 CCA load test is active.

What must I already own for the KW650 to work on my 12 V car battery?

You only need the 12 V battery itself; the tester draws its operating power from the battery under test and connects with the supplied clamps.

Will the KW650 give reliable results on an older flooded battery that has been in my truck for years?

Yes — it supports regular flooded, AGM flat plate, AGM spiral and gel types, and reads CCA, SOH and SOC against BCI, DIN, EN, IEC, JIS, SAE and GB standards.

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