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header-product Battery tester W-STAR WSNF512, 12V load test, min and operating voltage, internal resistance measurement
37.49 €

Battery tester W-STAR WSNF512, 12V load test, min and operating voltage, internal resistance measurement

Battery tester W-STAR WSNF512, 12V Photo 1
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Battery tester W-STAR WSNF512, 12V load test, min and operating voltage, internal resistance measurement

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Battery tester W-STAR WSNF512, 12V load test, min and operating voltage, internal resistance measurement

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Short description

W-STAR WSNF512 is a handheld 12V battery tester designed for load testing, checking minimum and operating voltages, and measuring internal resistance. It helps diagnose battery health, evaluate starting capability, and identify weak or failing batteries. Suitable for automotive and workshop use, it provides fast, practical results for maintenance and replacement decisions.
Available for order: 1 pcs.
Warranty: 2 Years
SKU: 11219900
Manufacturer: W-STAR
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
29.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
03.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
03.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

The W-STAR WSNF512 is a professional-grade handheld battery tester engineered for precise 12V battery diagnostics. This compact device allows users to perform comprehensive load tests, monitor minimum and operating voltages, and measure internal resistance with high accuracy. By evaluating these critical parameters, the tester provides a clear assessment of a battery's overall health, helping to determine its starting capability and identifying potential failures before they occur.

Advantages

This battery tester offers a reliable solution for quick and efficient vehicle maintenance. Its ability to measure internal resistance alongside voltage levels provides a deeper insight into the chemical and physical state of the battery compared to simple voltage checks. The handheld design ensures portability, making it an essential tool for both professional automotive workshops and individual car owners who prioritize proactive vehicle care.

Suitable for

  • Automotive battery health diagnostics
  • Testing 12V lead-acid batteries
  • Workshop maintenance and troubleshooting
  • Evaluating battery starting performance
  • Identifying failing or weak batteries

When it may not be suitable

This device is specifically calibrated for 12V systems and is not suitable for testing batteries with different voltage ratings, such as 6V or 24V units. It is also not designed for use with non-lead-acid battery chemistries unless specified by the manufacturer.

Key specifications

  • Voltage compatibility: 12V
  • Functions: Load test, minimum voltage check, operating voltage check, internal resistance measurement
  • Design: Handheld, portable

How to use

To use the W-STAR WSNF512, ensure the vehicle engine is turned off and all electrical accessories are switched off. Connect the tester clamps securely to the corresponding battery terminals, ensuring a clean metal-to-metal contact. Follow the device interface prompts to initiate the load test or resistance measurement. The results will be displayed on the screen, allowing you to compare the values against the battery's rated specifications to determine its condition.

What to consider before purchase

  • Verify that your battery system is 12V
  • Ensure the battery terminals are clean and accessible
  • Consider the specific cold cranking amp requirements of your vehicle

Usage recommendations

Always wear appropriate safety gear when working with automotive batteries. Ensure the testing area is well-ventilated and keep the device away from open flames or sparks during operation.

Description

Machine translation. Load original

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Customer reviews

Customer questions

FAQ

How much does the Battery tester W-STAR WSNF512, 12V cost, and is it available for purchase?

The price is 37.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 29.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. 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 W-STAR 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 W-STAR 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.