# Solax BMS-Parallel Box-II-G2 Energy Storage Expansion Module

**URL:** https://aio.lv/en/product--solax-10761--12537012
**Data updated:** 2026-06-25 19:51 (EEST)
**Category:** Solar Panel Accessories
**Manufacturer:** Solax
**Manufacturer code:** 10761
**EAN:** 5904905324474
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 894.49 €
**Prices and availability valid until:** 2026-08-16 23:59
**Price without VAT (21%):** 739.25 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--solax-10761--12537012

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.07.2026 | free |
| Courier delivery to door | 03.08.2026 | 53.99 EUR |

## Summary description

The Solax BMS-Parallel Box-II-G2 is a specialized expansion module designed for parallel connection of energy storage systems. It enables the scaling of battery capacity by managing multiple battery units efficiently. This device ensures stable communication and optimal performance for solar power storage setups, making it an essential component for expanding residential or commercial photovoltaic energy storage configurations.

## Long description

The Solax BMS-Parallel Box-II-G2 is a specialized expansion module engineered to facilitate the parallel connection of multiple energy storage units. By managing the communication and power distribution between battery modules, this device allows for the seamless scaling of total energy storage capacity. It is designed to integrate into solar power systems, ensuring that multiple battery packs operate in harmony to provide reliable and efficient energy management for residential or commercial photovoltaic installations.
Advantages
This expansion module offers a robust solution for increasing the capacity of existing energy storage setups without requiring complex system overhauls. By centralizing the management of parallel battery units, it ensures consistent voltage and balanced charging across all connected modules. The device enhances the overall stability of the energy storage system, reducing the risk of communication errors and optimizing the performance of the entire solar power configuration. Its design prioritizes safety and efficiency, making it a reliable choice for expanding energy independence.
Suitable for
Scaling battery capacity in residential solar energy systems
Expanding energy storage in commercial photovoltaic installations
Managing parallel battery connections for increased power backup
This module may not be suitable for systems that do not utilize compatible Solax battery units or for configurations that fall outside the specified voltage and capacity limits of the device. It is not intended for use in off-grid systems that require different communication protocols or for setups where parallel connection is not supported by the primary inverter.
Key specifications
Designed for parallel connection of battery modules
Supports scaling of energy storage capacity
Ensures stable communication between battery units
Optimized for residential and commercial solar setups
To use the Solax BMS-Parallel Box-II-G2, it must be installed between the battery bank and the solar inverter according to the provided technical wiring diagrams. Ensure that all battery units are properly connected to the parallel box and that the communication cables are securely fastened to the designated ports. Once the physical installation is complete, the system must be configured through the inverter interface to recognize the expanded battery capacity and ensure correct operation.
What to consider before purchase
Verify compatibility with your existing Solax battery models
Ensure your inverter supports parallel battery expansion
Check the total capacity requirements of your energy system
Confirm that the installation environment meets the required safety standards
Usage recommendations
Regularly monitor the status of the battery system through the inverter interface to ensure that all parallel units are communicating correctly and maintaining balanced charge levels. Ensure the installation area remains dry and within the recommended temperature range to maintain optimal performance and longevity of the expansion module.

## FAQ

### How much does the Solax BMS-Parallel Box-II-G2 Energy Storage Expansion Module cost, and is it available for purchase?

The price is 894.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 29.07.2026 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, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Solax BMS-Parallel Box-II-G2 Energy Storage Expansion Module be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Solax 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 Solax 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