# Battery everActive G4 (LR66 / 377A) alkaline — 1 piece, 1.5V

**URL:** https://aio.lv/en/product--battery-everactive-g4-lr66-377a-alkaline-1-piece-15v--4044658
**Data updated:** 2026-02-12 09:59 (EET)
**Category:** Batteries
**Manufacturer code:** BATG4.eA1
**EAN:** 3100000855888
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1.30 €
**Prices and availability valid until:** 2026-08-23 23:59
**Price without VAT (21%):** 1.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--battery-everactive-g4-lr66-377a-alkaline-1-piece-15v--4044658

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 31.07.2026 | free |
| Pickup points | 05.08.2026 | 1.79 EUR |
| Courier delivery to door | 05.08.2026 | 4.99 EUR |

## Summary description

Single everActive G4 alkaline button cell (LR66 / 377A) providing 1.5V for small electronic devices. Suitable for watches, calculators, key fobs, laser pointers and other compact gadgets requiring a G4/LR66/377A size. Compact packaging contains one cell, offering reliable power for replacement needs and portable use.

## Long description

Single everActive G4 (LR66 / 377A) alkaline button cell delivering 1.5V for compact electronic devices. This single-cell package provides a direct replacement for devices requiring the G4/LR66/377A size and offers stable voltage for low-to-moderate drain applications. The battery is suited for one-time replacement needs and for keeping a spare on hand for small everyday gadgets.
Advantages
The everActive G4 alkaline cell provides a stable 1.5V output throughout most of its discharge curve and is optimized for devices with small, continuous or intermittent power requirements. Its compact button design ensures compatibility with watches, calculators, key fobs and similar devices. The cell is factory-sealed to reduce the risk of leakage during storage and transport, and it meets common safety standards for consumer alkaline button cells.
Suitable for
Wristwatches and small timepieces
Calculators and small office electronics
Key fobs, car remotes and small transmitters
Laser pointers and small LED lights
Toys, medical measuring devices and other compact gadgets requiring 1.5V button cells
Key specifications
Chemistry: Alkaline
Nominal voltage: 1.5 V
Cell type: Button / coin cell compatible with G4, LR66, 377A form factors
Quantity in pack: 1 piece
Intended use: Low- to moderate-drain portable electronics
How to use
Before inserting the cell, power off the device and consult the device manual for polarity orientation. Use a non-metallic tool or fingernail to open battery compartments where recommended, and insert the cell with the correct polarity markings visible. After installation, ensure the compartment is properly closed. Replace only with the same type and voltage to avoid damage. Dispose of used alkaline cells according to local regulations or recycling programs.
Usage recommendations
Store the battery in a cool, dry place and avoid exposure to high temperatures or direct sunlight. For devices with continuous low current draw, replace the cell at recommended intervals to prevent leakage. Keep out of reach of children; button cells can cause serious harm if swallowed.

## FAQ

### How much does the everActive G4 (LR66/377A) alkaline battery — 1 pc cost, and is it available for purchase?

The price is 1.30 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 31.07.2026 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.

### 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/4044658/10109231_large.webp