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header-product Diagnostic Scanner KONNWEI KW870 OBD2 Car Code Reader with Battery Tester

Diagnostic Scanner KONNWEI KW870 OBD2 Car Code Reader with Battery Tester

KONNWEI KW870 OBD2 Diagnostic Scanner Photo 1
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Short description

KONNWEI KW870 is an OBD2 diagnostic scanner and car code reader designed to read and clear fault codes from vehicle ECUs and to test battery condition. The handheld tool supports standard OBD2 diagnostics, displays trouble codes, and provides battery testing functionality for assessing voltage and health. Suitable for DIY car maintenance, pre-checks before repair, and quick diagnostics in workshops.
Warranty: 2 Years
SKU: 12035601
Manufacturer: KONNWEI
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Product information

Description

The KONNWEI KW870 OBD2 Car Code Reader with Battery Tester is a handheld diagnostic scanner that reads and clears fault codes from vehicle ECUs and provides a basic battery condition check. The unit connects to standard OBD2 ports to retrieve diagnostic trouble codes, display live data where supported by the vehicle, and perform a battery voltage and health assessment. The compact design and clear screen make it suitable for quick on-vehicle checks, pre-repair inspections and routine DIY maintenance.

Advantages

The KONNWEI KW870 combines OBD2 code reading and battery testing in a single portable device, reducing the need for multiple tools. It reports diagnostic trouble codes in readable form and allows clearing of codes to verify repairs. The battery tester evaluates voltage and gives a simple indication of battery condition, enabling faster decisions about charging or replacement. The tool’s handheld format and straightforward operation are designed for use without extensive technical training.

Suitable for

  • Reading and clearing OBD2 diagnostic trouble codes on compatible vehicles
  • Checking battery voltage and basic battery health before trips or repairs
  • Pre-checks and troubleshooting during routine maintenance
  • Quick diagnostics in small workshops, service vans or by private car owners

Key specifications

  • OBD standard: OBD2 protocol compatibility with standard-compliant vehicles
  • Functions: Read and erase diagnostic trouble codes, display DTC descriptions, live data display where supported
  • Battery test: Voltage measurement and condition assessment for 12V batteries
  • Display: Integrated screen for codes, live data and test results
  • Power: Powered via vehicle OBD2 port during operation
  • Form factor: Handheld, portable diagnostic scanner with cable for OBD2 connection

How to use

Locate the vehicle’s OBD2 diagnostic port, typically under the dashboard, and connect the KONNWEI KW870 using the supplied cable. Turn the vehicle ignition to the required position as indicated by the tool and follow on-screen prompts to read fault codes or initiate a battery test. Use the menu options to view code definitions, record live data if available, and clear stored codes after repair verification. For battery testing, connect per the device instructions and read the displayed voltage and condition result.

Usage recommendations

Use this scanner on OBD2-compliant vehicles and consult the vehicle manufacturer’s documentation for any model-specific diagnostic notes. Perform battery tests with the engine off unless otherwise specified, and ensure secure connection to the OBD2 port. For complex diagnostics or intermittent faults, record codes and seek professional diagnosis if needed.

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Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All KONNWEI products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized KONNWEI service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.