# Battery tester KONNWEI KW510 12V for 4Ah–100Ah lead-acid batteries

**URL:** https://aio.lv/en/product--konnwei-kw510--10734382
**Data updated:** 2026-02-12 22:04 (EET)
**Category:** Battery chargers
**Manufacturer:** KONNWEI
**Manufacturer code:** KW510
**EAN:** 310000173862
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 65.34 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 54.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--konnwei-kw510--10734382

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

KONNWEI KW510 is a 12V battery tester designed to check 4Ah–100Ah lead-acid batteries. It provides quick diagnostics of battery health and charge level, helping identify weak or failing units before vehicle start-up. Suitable for cars, motorcycles and light vehicles, the compact tester offers straightforward connection and readable results for routine maintenance and troubleshooting.

## Long description

KONNWEI KW510 12V battery tester is a compact diagnostic tool designed to assess the condition and charge level of lead‑acid batteries within the 4Ah–100Ah range. The device delivers fast measurements to help detect weak, sulfated, or failing batteries before they cause vehicle starting problems. Intended for routine maintenance and troubleshooting, the tester connects directly to battery terminals and displays clear, easy‑to‑read results suitable for passenger cars, motorcycles and other light vehicles.
Advantages
The KONNWEI KW510 provides quick and reliable 12V battery analysis without complex setup, enabling immediate assessment of battery voltage and overall health. Its compact form factor and straightforward terminal clamps make it convenient to carry and use in garages or roadside situations. The tester supports a wide capacity range for common lead‑acid batteries and helps identify batteries that need charging, servicing or replacement, reducing diagnostic time for technicians and vehicle owners.
Suitable for
Checking starting batteries in passenger cars
Testing motorcycle batteries
Maintenance checks for light commercial vehicles
Pre‑trip battery inspections and routine diagnostics
Key specifications
Operating voltage: 12 volts DC for lead‑acid battery systems
Battery capacity range supported: 4 Ah to 100 Ah
Measurement functions: voltage and general battery health/state
Connection type: direct clamp connection to battery terminals
Display: readable output for quick interpretation of results
Suitable battery chemistry: lead‑acid (including standard flooded and maintenance‑free types)
How to use
Connect the tester clamps to the battery terminals with the ignition off and any vehicle electrical loads switched off. Observe polarity when attaching the red clamp to the positive terminal and the black clamp to the negative terminal. Allow the device to complete its measurement sequence and read the displayed result to determine battery voltage and condition. If the tester indicates a low charge or poor health, follow manufacturer service procedures for charging or further diagnostics.
Usage recommendations
Use the KONNWEI KW510 in a well‑ventilated area and avoid sparks or open flames near the battery. Regularly test batteries before long trips or after extended storage to identify weakened units early. For batteries outside the specified capacity range or for advanced diagnostics (e.g., alternator tests, starting current), consult specialized equipment or a professional workshop.

## FAQ

### How much does the Battery tester KONNWEI KW510 12V cost, and is it available for purchase?

The price is 65.34 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 02.07.2026 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 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. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/10734382/59880762_large.webp