---
product_id: 660537651
title: "3 in 1 Car Battery Charger, Car Battery Tester,12V 5A Fully Automatic Smart Charger Automotive Pulse Repair Maintainer,Trickle Charger Battery Desulfator w/Temp Compensation Wet Dry Lead Acid AGM Gel"
brand: "konnwei"
price: "€ 92.74"
currency: EUR
in_stock: true
reviews_count: 2
category: "Konnwei"
url: https://www.desertcart.fi/products/660537651-3-in-1-car-battery-charger-car-battery-tester-12v
store_origin: FI
region: Finland
---

# 12V 5A fast automatic charging 3-in-1 charger/tester/repair 8-fold safety protection 3 in 1 Car Battery Charger, Car Battery Tester,12V 5A Fully Automatic Smart Charger Automotive Pulse Repair Maintainer,Trickle Charger Battery Desulfator w/Temp Compensation Wet Dry Lead Acid AGM Gel

**Brand:** konnwei
**Price:** € 92.74
**Availability:** ✅ In Stock

## Summary

> 🔧 Power up your ride with the smartest 3-in-1 battery solution!

## Quick Answers

- **What is this?** 3 in 1 Car Battery Charger, Car Battery Tester,12V 5A Fully Automatic Smart Charger Automotive Pulse Repair Maintainer,Trickle Charger Battery Desulfator w/Temp Compensation Wet Dry Lead Acid AGM Gel by konnwei
- **How much does it cost?** € 92.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/660537651-3-in-1-car-battery-charger-car-battery-tester-12v)

## Best For

- konnwei enthusiasts

## Why This Product

- Trusted konnwei brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ultimate Safety Shield:** Built-in protections guard against reverse polarity, overheating, short circuits, and more.
- • **Smart Pulse Repair Tech:** Revive old batteries with advanced sulfation and acid stratification repair modes.
- • **Universal Compatibility:** Works flawlessly with flooded, AGM flat/spiral, and gel batteries across global standards.
- • **All-in-One Battery Mastery:** Test, charge, and repair your 12V lead-acid batteries with one sleek device.
- • **Precision Cold Cranking Analysis:** Instantly measure battery health and cold cranking amps for reliable starts every time.

## Overview

The KONNWEI KW510 is a professional-grade 3-in-1 automotive battery charger, tester, and pulse repair maintainer designed for all 12V lead-acid batteries including flooded, AGM, and gel types. Featuring a large color LCD, it delivers precise battery health diagnostics, fast 5A automatic charging, and advanced pulse repair technology to extend battery life. With comprehensive safety protections and wide compatibility across global battery standards, it’s the ultimate tool for proactive vehicle battery maintenance.

## Description

KONNWEI KW510 Powerful 3 in 1 Multifunctional Car Battery Charger, Repair and Test Tool for All Types 12V Lead-acid BatteriesKONNWEI KW510 Battery Tester adopts the state-of-the-art conductance testing technology in the world to easily, quickly and accurately measure the actual cold cranking amps capability of the vehicle starting battery, healthy state of the battery itself, and common fault of the vehicle starting system and charging system. With a wide testing range from 100 -2000CCA compatible with regular flooded, AGM flat plate, AGM spiral, or gel batteries. Covers most of the battery rating standards like CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE, etc.Why do you need to know battery conditions (Good or Recharge)?Know the battery status in advance to prevent the annoying battery failure situations.Plug and play--input the rated battery capacity, KW510 will start analyzing the battery's CCA value, charge (%), voltage (v), internal resistance (Ω), rated CCA, battery healthy (%) and display the test result on screen within seconds.Provide 5 kinds of professional advice accordingly:GOOD BATTERY: The battery is without any problem, use it without worries!GOOD, RECHARGE: Good battery but low current, recharge before using.REPLACE: The battery is already or near to reach the end of the using life, please replace the battery.BAD CELL, REPLACE: Battery interior damaged, bad cell or short circuit, replace the battery.CHARGE-RETEST: Unstable battery shall be recharged and retested to avoid erroACCURATE RESULTSHigh precision amplifier and calibrated by professional instruments give you the reliable results in seconds!CRANKING & CHARGING TESTCRANKING TEST : Analyzes the actual cranking voltage and the cranking time to help you quickly figure out the whole state of the starting system;CHARGING TEST : Test different parts of charging system, including generator, rectifier, rectifier diode, and so on for a reliable charging volt value.CONVENIENT TESTING SITUATIONNo matter the batteries in the vehicles or out of the vehicles, KW510 will finish its testing job excellently, pocketed size let you can bring it to anywhere you want.AUTOMATIC FAST CHARGINGMax output 12-volt 5-amp, input 100-230-volt, charge dead batteries as low as 2-volt.Automatic monitoring of the entire charging process through a microprocessor-controlled program. Auto change into low current mode after fully charged.ENHANCED PULSE REPAIRAutomatic sulfating and acid stratification detection, the advanced repair mode can repair and reverse the damaging effects when batteries are left uncharged for extended periods to improve battery performance and longevity. (Note: The pulse repair function can only be used when the car battery is disconnected from the car.)MULTIPLE PROTECTIONShort circuit / Overcurrent protection / Overheat protection / Fireproof material / Low pressure protection / Overpressure protection / Mislink protection / Electrification protection ) the charger will automatically turn off the power supply to protect the battery and charger.

Review: ممتاز وسهل الاستخدام
Review: Happy - Quick delivery and good product

## Features

- 【3 in 1 Battery Charger】 - KONNWEI KW510 12V car battery charger is an all-in-one solution for battery tester and battery charger. It is a professional 3 in 1 battery tester, battery charger, battery maintainer(pulse repair), trickle charger and battery desulfator. The large color LCD display provides you with reliable and comprehensive battery parameters such as voltage, current, battery health and state of charge.
- 【Powerful Battery Load Tester】- KW510 12v battery tester can test all automotive cranking lead acid battery, including ordinary lead acid battery, AGM flat plate battery, AGM spiral battery, and Gel battery, etc.This professional automotive battery tester provides accurate results, calculates the cold cranking capability of the battery and the aging extent, allowing for a quicker, more precise car repairing.
- 【Fully Automatic Battery Charger】- 12V 5A car battery charger is suitable for charging batteries with 4-100Ah, charge batteries as low as 2-volt. KW510 also built-in battery reconditioning mode, adapts the newest pulse repair technology, one-click repair and automatically detects battery sulfation and acid stratification to help restore old/idle batteries and extend battery life.
- 【Multiple Protection, Safety First】- KONNWEI 3 in 1 car battery charger shell made of high quality ABS and charging cable use heat-resistant and oxidation-resistant copper wire to easily handle a wide range of overcooled and overheated voltage environments. It also has 8 kinds of protection like reverse polarity, overload, over-current, overheat, cooling system, fireproof material, short circuit protection, etc.
- 【Widely Compatible】- This car battery diagnostic can test, charge and repair a wide selection of 12V 100-2000 CCA regular flooded batteries, AGM flat plate, AGM spiral, as well as GEL batteries. Testing standards include currently the world's majority of battery standards, CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE. Perfect for cars, boats, small truck, lawnmowers, etc. Support multi-languages, which includes English, German , French, Dutch , Russian, Spanish, Italian , Portuguese.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DGQL91VB |
| Best Sellers Rank | #7,982 in Automotive ( See Top 100 in Automotive ) #27 in Battery Chargers |
| Manufacturer | KONNWEI |
| Manufacturer reference | KW510 |
| Package Dimensions | 21 x 17.6 x 9 cm; 740 g |

## Product Details

- **Brand:** KONNWEI
- **Colour:** black
- **Min. Operating voltage:** 12 Volts
- **Power source:** Battery Powered
- **Style:** professional

## Images

![3 in 1 Car Battery Charger, Car Battery Tester,12V 5A Fully Automatic Smart Charger Automotive Pulse Repair Maintainer,Trickle Charger Battery Desulfator w/Temp Compensation Wet Dry Lead Acid AGM Gel - Image 1](https://m.media-amazon.com/images/I/61sn50i6CBL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by C***4 on 23 April 2025*

ممتاز وسهل الاستخدام

### ⭐⭐⭐⭐⭐ Happy
*by N***S on 10 August 2025*

Quick delivery and good product

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-09*