# Charger KONNWEI KW520 battery meter — portable battery tester and charger

**URL:** https://aio.lv/en/product--konnwei-kw520--11007596
**Data updated:** 2026-03-11 11:58 (EET)
**Category:** Car Chargers & Jump Starters
**Manufacturer:** KONNWEI
**Manufacturer code:** KW520
**EAN:** 5901890097079
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 56.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 46.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--konnwei-kw520--11007596

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

KONNWEI KW520 is a compact charger and battery meter designed for automotive 12V lead‑acid batteries. It provides portable battery testing and charging support, allowing users to check state of charge and maintain or recharge batteries. Suitable for car battery diagnostics, maintenance, and roadside checks where quick voltage and condition readings are needed.

## Long description

The KONNWEI KW520 charger and battery meter is a compact portable device for testing and charging 12V lead-acid automotive batteries. It offers voltage measurement, state-of-charge indication and basic charging capability to help diagnose battery condition and perform simple maintenance or roadside support. The unit is intended for use with conventional 12V vehicle batteries and is suitable for situations where quick voltage and condition readings are required.
Advantages
The KW520 combines battery testing and a lightweight charging function in a single compact tool that is easy to carry and store. It provides clear numeric voltage readouts and state-of-charge information to help assess battery health without complex setup. The design emphasizes straightforward operation and fast results, enabling users to identify weak or discharged batteries and apply a maintenance charge when appropriate.
Suitable for
Quick roadside battery checks on passenger cars and light vehicles
Basic garage diagnostics and battery condition verification
Periodic maintenance charging and state-of-charge monitoring
Fleet maintenance routines for simple battery screening
Key specifications
Battery type supported: 12V lead-acid (including standard flooded and AGM types compatible with 12V systems)
Main functions: voltage measurement, state-of-charge indication, low-current charging/maintenance support
Display: numeric voltage readout and condition indicators for quick assessment
Portability: compact, lightweight housing with clamps for direct battery connection
Safety features: basic reverse-polarity protection and short-circuit prevention (as typical for portable chargers/testers)
How to use
Connect the KW520 clamps to the battery terminals (red to positive, black to negative) on a switched-off vehicle. Read the displayed voltage and condition indicators to determine the state of charge and whether the battery requires charging or further testing. If charging is needed and the device supports a maintenance charge, enable the charge mode following the product controls and monitor the readout until the desired voltage or charge condition is reached. Disconnect clamps in reverse order after use and store the unit in a dry place.
Usage recommendations
Use the KW520 for routine checks and maintenance rather than as a primary tool for deeply discharged or severely sulfated batteries; for complex diagnostics or major battery faults, consult a professional service. Always follow vehicle manufacturer safety guidance when connecting to the battery and wear appropriate protective equipment when handling automotive batteries.

## FAQ

### How much does the Charger KONNWEI KW520 battery meter cost, and is it available for purchase?

The price is 56.49 € (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 14.07.2026 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/11007596/61659866_large.webp