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Rectangular black unit with large color LCD screen and clamps, 6.3 by 3.7 by 2.4 inches, 1.43 pounds

KONNWEI KW510 12V 5A Battery Tester Charger Maintainer

SKU CH-WNDW-AJA57

Tests, charges and pulse-repairs 12 V lead-acid batteries from 100 to 2000 CCA with a 5 A automatic output and colour LCD display

  • FeaturesBattery Powered, false
  • Height6.3 L x 3.7 W x 2.4 H inches
  • Width6.3 L x 3.7 W x 2.4 H inches
  • Length6.3 L x 3.7 W x 2.4 H inches
  • Weight1.43 pounds
  • Sports Team1 Piece
  • 3-in-1 tester, charger and maintainer simplifies battery care
  • Tests 12 V batteries from 100 to 2000 CCA for health and cranking
  • Automatic pulse repair restores sulfated lead-acid batteries
  • Charges deeply discharged batteries from 2 V up to 5 A
  • Compact 6.3 x 3.7 x 2.4 in design weighs 1.43 lb

3-in-1 Battery Tool for 12V Lead-Acid

The KONNWEI KW510 combines a battery tester, charger and maintainer in one unit. It works with 12-volt lead-acid batteries rated from 100 to 2000 CCA including flooded, AGM flat plate, AGM spiral and gel types. The tool suits owners of cars, boats, lawnmowers and similar equipment who want a single device for testing, charging and pulse repair.

Colour LCD and One-Click Pulse Repair

A large colour LCD shows voltage, internal resistance and system test results for cranking and charging circuits. The charger starts from as low as 2 volts and delivers up to 5 amps. Pulse repair runs automatically with one click to address sulfation and acid stratification without draining the battery.

Compact Handheld Build with Temperature Compensation

The unit measures 6.3 by 3.7 by 2.4 inches and weighs 1.43 pounds, making it easy to carry and store. Built-in temperature compensation adjusts charging parameters for ambient conditions. Clamp connectors attach directly to battery terminals for testing and charging without additional wiring.

Highlights

  • 3-in-1 tester, charger and maintainer simplifies battery care
  • Tests 12 V batteries from 100 to 2000 CCA for health and cranking
  • Automatic pulse repair restores sulfated lead-acid batteries
  • Charges deeply discharged batteries from 2 V up to 5 A
  • Compact 6.3 x 3.7 x 2.4 in design weighs 1.43 lb

Specifications

BrandKONNWEI
FeaturesBattery Powered, false
Height6.3 L x 3.7 W x 2.4 H inches
Width6.3 L x 3.7 W x 2.4 H inches
Length6.3 L x 3.7 W x 2.4 H inches
Weight1.43 pounds
Sports Team1 Piece
TypeVoltmeter, Ohmmeter

Questions about this item

Does the KW510 tester charger require any periodic calibration or replacement parts to maintain accuracy?

The KW510 uses conductance testing technology that does not drain the battery during tests, and the unit has no user-replaceable sensors or consumable components listed in its design.

What limits the 5-amp charge rate during a long maintenance session on a deeply discharged battery?

The charger delivers a maximum of 5 amps at 12 volts and automatically reduces current as the battery approaches full charge, with pulse-repair cycles activating for sulfation recovery.

How much heat or fan noise does the KW510 produce when left running overnight in trickle-charge mode?

The compact 6.3 x 3.7 x 2.4-inch enclosure weighs 1.43 pounds and operates without a listed cooling fan, so heat and noise stay minimal during continuous low-current maintenance.

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