# Battery Charger GYS GYSFLASH 4.12 12V 0.8–4.0A, 4 A max, charging and maintenance for 12V batteries

**URL:** https://aio.lv/en/product--gys-029422--3917217
**Data updated:** 2026-01-14 15:35 (EET)
**Category:** Battery chargers
**Manufacturer:** GYS
**Manufacturer code:** 029422
**EAN:** 3154020029422
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 116.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 96.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--gys-029422--3917217

## 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

Compact GYSFLASH 4.12 battery charger from GYS is designed for 12V lead-acid batteries with an adjustable charging current of 0.8–4.0 A and a 4 A maximum. It provides controlled charging and maintenance modes to recharge, desulfate and keep batteries at optimal charge. Suitable for cars, motorcycles and small vehicles; practical for workshop and home use.

## Long description

Compact GYSFLASH 4.12 battery charger from GYS is designed for 12 V lead-acid batteries with an adjustable charging current of 0.8–4.0 A and a 4 A maximum. It provides controlled charging and maintenance modes to recharge, desulfate and keep batteries at optimal charge. The unit is intended for use with passenger cars, motorcycles and other small vehicles and is suitable for both workshop and home use.
Advantages
The charger offers adjustable charging current to match battery condition, automatic maintenance mode to prevent overcharging and a desulfation function to help recover sulfated batteries. Its compact design allows convenient storage and handling, while straightforward controls make operation simple for non-professional users.
Suitable for
 12 V lead-acid batteries in passenger cars
 Motorcycle and scooter batteries
 Small utility vehicles and garden equipment with 12 V batteries
 Workshop and home battery maintenance
Key specifications
 Input/Output voltage: designed for 12 V battery systems
 Adjustable charging current: 0.8–4.0 A
 Maximum charging current: 4 A
 Charging modes: controlled charge, maintenance/float, desulfation
 Battery chemistry compatibility: 12 V lead-acid types
 Form factor: compact, portable charger
How to use
Connect the charger clamps to the battery terminals following polarity (positive to positive, negative to negative) and select the appropriate charging current according to battery capacity and condition. Start the charging cycle and monitor status indicators; the unit will switch to maintenance mode automatically when the battery reaches full charge. Use the desulfation function if the battery exhibits reduced capacity due to sulfation.
Usage recommendations
Use in well-ventilated areas, avoid exposure to moisture and follow safety warnings in the manufacturer documentation. For long-term storage, keep the charger connected in maintenance mode to preserve battery charge and reduce the risk of deep discharge.

## FAQ

### How much does the Battery Charger GYS GYSFLASH 4.12 12V cost, and is it available for purchase?

The price is 116.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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. 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 GYS 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 GYS 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/3917217/59855918_large.webp