The Dyness LV Link-A Communication Box solves battery expansion challenges for installers and system owners. This communication box connects multiple lithium batteries into one scalable energy storage system. It handles communication between your battery bank and hybrid inverter during loadshedding. Installers across South Africa use it to expand backup power without replacing batteries.
Key Benefits
- Scales your Dyness battery parallel connection from 2 to 8 units.
- Mixes older BX series and newer DL series batteries in one system.
- Automatically assigns a master battery to prevent communication conflicts.
- Balances state of charge across all connected battery units.
- CE-EMC certified for safe operation in homes and commercial buildings.
Technical Specifications
- Model: LV-Link A.
- Max Number of supported access systems: 4.
- Operating Voltage: 42-60V.
- Communication: CAN/RS485.
- Net Weight: 0.46kg.
- Dimension [WDH]: 135x112x36mm.
- Operating Temperature: -20 to 55°C.
- Storage Temperature: -10 to 35°C.
- Relative Humidity: 5% to 85%RH.
- Protection Class: IP20.
- Installation Method: Wall-mounted.
- Certification & Safety Standard: CE-EMC.
Compatibility
The Dyness LV battery expansion box works with multiple Dyness lithium battery models. It supports the DL5.0C battery range and older BX series units. You can connect it to the PowerBrick 14.3kWh battery for large-scale storage expansion. This Dyness parallel battery communication hub integrates with Deye, Sunsynk, Victron, and Luxpower inverters.
- B51100: DL5.0 / DL5.0C.
- BX51100: DL5.0 / DL5.0C / DL5.0e.
- Powerbox Pro: Powerdepot H5B / Powerbox G2 / Powerbrick.
- Powerdepot: DL5.0C / Powerbox G2 / Powerbrick.
Use Cases
- Residential loadshedding backup systems requiring 10kWh to 40kWh storage capacity.
- Commercial solar installations expanding battery banks without full system replacement.
- Off-grid farms and smallholdings running mixed generations of Dyness batteries.
- Solar installers building scalable energy storage systems for clients nationwide.
- Factories protecting critical equipment from Eskom power cuts with battery expansion.
Frequently Asked Questions
Q. How many Dyness batteries can I connect with the LV-Link A?
A. You can connect up to 4 clusters or 8 individual battery units. The system operates at 42 to 60V. It automatically assigns a master battery. This setup suits homes and businesses needing 10kWh to 40kWh storage.
Q. Can I mix old and new Dyness battery models?
A. Yes. The box allows BX series and DL series batteries to work together. It bridges protocol differences and balances the state of charge. This saves you from replacing older batteries when expanding your system.
Q. Which inverters work with the Dyness LV-Link communication box?
A. It works with Deye, Sunsynk, Victron, and Luxpower hybrid inverters. The box handles CAN and RS485 communication protocols. Most installers use it with Deye 8kW and 12kW hybrid inverters.
Q. Do I need an electrician to install the LV-Link A?
A. Yes. A qualified solar installer should connect the cables and configure the network. The unit is wall-mounted and plug-and-play once wired correctly. Diagnostic LEDs on the front panel confirm successful communication.
Q. What is the operating temperature range for this communication box?
A. It operates from -20°C to 55°C. Storage temperature ranges from -10°C to 35°C. The IP20 rating suits indoor installations in battery rooms or garages. Keep it away from direct moisture and dust exposure.
Q. How does the LV-Link A prevent communication conflicts?
A. It automatically assigns one battery as the master unit. This master battery communicates with the inverter on behalf of the bank. The system balances charge levels and prevents data conflicts between batteries.
Why Buy From Us
- Free system sizing and load calculations for your battery expansion project.
- Authorised Dyness supplier with full technical support and genuine products.
- Nationwide delivery in 2 to 5 working days from Vanderbijlpark and Cape Town.
- Free site visits and consultations for commercial and industrial battery installations.
Request a quote today for the Dyness LV Link-A communication box South Africa. Expand your loadshedding backup system with confidence. Protect your property from Eskom power cuts.
Learn more about the Dyness LV-Link A specifications on the official Dyness website.














