# Battery AVACOM GSLG-LG320-S2900 for LG H815 G4 Li-Ion 3.85V 2900mAh replacement for BL-51YF

**URL:** https://aio.lv/en/product--avacom-gslg-lg320-s2900--3548796
**Data updated:** 2025-12-29 13:31 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** AVACOM
**Manufacturer code:** GSLG-LG320-S2900
**EAN:** 8591849069492
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.99 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 13.21 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--avacom-gslg-lg320-s2900--3548796

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

Rechargeable AVACOM battery model GSLG-LG320-S2900 designed as a replacement for the original BL-51YF in LG H815 G4 smartphones. Li‑Ion chemistry with rated voltage 3.85 V and capacity 2900 mAh provides reliable power for daily use, calls, apps and media. Intended for direct swap-in replacement to restore device runtime and battery performance.

## Long description

Battery AVACOM GSLG-LG320-S2900 is a rechargeable Li‑Ion replacement for the original BL-51YF battery used in LG H815 (G4) smartphones. It has a nominal voltage of 3.85 V and a rated capacity of 2900 mAh, designed to restore device runtime and basic battery performance for daily calls, apps and media playback.
Advantages
This AVACOM battery offers compatibility with the LG H815 G4 as a direct swap-in replacement for the BL-51YF model. With Li‑Ion chemistry and a 2900 mAh capacity, it provides a balance between energy density and compact size to support typical smartphone usage. The product matches the original battery's voltage specification (3.85 V) to ensure correct operation in the intended devices.
Suitable for
Replacement of original BL-51YF battery in LG H815 (G4)
Restoring battery runtime for everyday calls and messaging
Supporting moderate app use and media playback
Key specifications
Manufacturer: AVACOM
Model: GSLG-LG320-S2900
Compatible with: LG H815 (G4)
Chemistry: Li‑Ion
Rated voltage: 3.85 V
Capacity: 2900 mAh
Replacement for: BL-51YF
MPN: GSLG-LG320-S2900
EAN: 8591849069492
How to use
Power off the LG H815 device and remove the back cover according to the manufacturer's instructions. Carefully remove the original BL-51YF battery, disconnecting any connectors if present. Insert the AVACOM GSLG-LG320-S2900 into the battery compartment in the correct orientation and reassemble the device. Charge the battery fully before first use and monitor device operation during the initial cycle.
Usage recommendations
Use only original or compatible chargers and avoid exposing the battery to extreme temperatures. Do not puncture, crush or disassemble the battery. If the battery shows swelling, overheating, or other damage, stop using it and dispose of it according to local regulations for battery recycling.

## FAQ

### How much does the Battery AVACOM GSLG-LG320-S2900 for LG H815 G4 cost, and is it available for purchase?

The price is 15.99 € (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 20.07.2026 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 AVACOM 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 AVACOM 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/3548796/51087412_large.webp