# Solax 5.8kWh LFP Battery Master Module, Stackable Energy Storage System

**URL:** https://aio.lv/en/product--solax-11137--12537004
**Data updated:** 2026-06-25 19:51 (EEST)
**Category:** Solar Panel Accessories
**Manufacturer:** Solax
**Manufacturer code:** 11137
**EAN:** 5904905325174
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2 042.99 €
**Prices and availability valid until:** 2026-08-15 23:59
**Price without VAT (21%):** 1 688.42 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--solax-11137--12537004

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.07.2026 | free |
| Courier delivery to door | 31.07.2026 | 53.99 EUR |

## Summary description

The Solax 5.8kWh LFP Master battery module is a high-performance, stackable energy storage solution designed for solar power systems. Featuring lithium iron phosphate technology, it offers 95% depth of discharge and a long service life exceeding 6000 cycles. With an IP66 rating and an operating temperature range from -30°C to 55°C, this modular unit ensures reliable performance and durability for residential and commercial energy management.

## Long description

The Solax 5.8kWh LFP Master battery module is a high-performance energy storage solution engineered for modern solar power systems. Utilizing advanced lithium iron phosphate (LFP) technology, this unit provides a stable and efficient way to store excess solar energy for later use. Its modular, stackable design allows for flexible capacity expansion, making it suitable for a wide range of residential and commercial energy management needs.
Advantages
This battery module stands out due to its exceptional durability and safety profile, inherent to lithium iron phosphate chemistry. It offers a high depth of discharge of 95%, ensuring that a significant portion of the stored energy is available for consumption. With a service life exceeding 6000 cycles, the system is built for long-term reliability. The robust IP66-rated enclosure provides excellent protection against dust and water ingress, while the wide operating temperature range allows for installation in diverse environmental conditions.
Suitable for
Residential solar energy storage systems
Commercial energy management and backup power
Off-grid and grid-tied solar installations
Systems requiring modular capacity expansion
When it may not be suitable
This unit is specifically designed as a master module for the Solax stackable system and may not be compatible with third-party inverter brands or non-modular battery architectures. It is not intended for mobile applications such as marine or automotive use where vibration and mounting requirements differ significantly from stationary residential installations.
Key specifications
Battery chemistry: Lithium Iron Phosphate (LFP)
Capacity: 5.8 kWh
Depth of Discharge (DoD): 95%
Cycle life: Over 6000 cycles
Ingress protection: IP66
Operating temperature range: -30°C to 55°C
How to use
The Solax 5.8kWh Master module should be installed by a certified professional in accordance with the manufacturer's guidelines. The unit is designed to be stacked vertically, allowing for easy integration with additional slave modules to increase total system capacity. Ensure the installation site is level and provides adequate clearance for ventilation. Once physically mounted, the module must be connected to the compatible Solax inverter and configured via the system interface to ensure proper communication and charging parameters.
What to consider before purchase
Compatibility with your existing inverter system
Total energy storage requirements for your household or business
Available physical space for a stackable battery tower
Local electrical regulations and installation requirements
Usage recommendations: To maximize the lifespan of your battery system, ensure it is installed in a location protected from direct, prolonged sunlight and extreme moisture. Regularly monitor the system performance through the dedicated monitoring application to ensure optimal operation and to receive timely firmware updates.

## FAQ

### How much does the Solax 5.8kWh LFP Master Battery Module cost, and is it available for purchase?

The price is 2,042.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 31 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 28.07.2026 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 5.8kWh LFP Master Battery 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