Solutions / KB-35

Category: Residential & Commercial

KB-35

The KB-35 All-in-One is a fully integrated energy storage system combining a powerful 10 kVA hybrid inverter with a high-capacity 35 kWh LiFePO₄ battery. Designed to deliver dependable energy access, the system supports both grid-connected and off-grid applications with intelligent power management in a compact form factor.

The KB-35kW offers seamless grid interaction for backup support during outages and prioritizes critical loads for uninterrupted operation. With its silent, fanless natural cooling system, the unit ensures noise-free operation even under heavy usage.

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Engineered for solar integration, the system supports up to 15 kW of PV input with a wide voltage range of 150–500 V, allowing efficient solar harvesting and flexibility across different installation sizes. It features robust 200 A charge/discharge capability and over 8000 cycles at 90% depth of discharge, ensuring long-term durability and consistent performance.

Real-time monitoring and control are accessible via a mobile app, enabling remote oversight of energy status, usage trends, and system performance. Built-in WiFi provides seamless connectivity, while smart logic enhances load management and energy optimization.

It’s engineered to withstand water flooding up to 800mm deep and comes equipped with a built-in fire suppression system. The enclosure is constructed from galvanized steel and rated IP65, ensuring reliable all-weather protection for both indoor and outdoor installations. Flexible mounting options allow for either wall-mounted or floor-standing setups, adapting easily to different site conditions

Protected by a 12-year warranty, the KB-35kW All-in-One provides a complete, scalable, and reliable solution for modern energy storage demands.

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Technical specifications
  • Solar production capacity on dual mppt: 15kW
  • Continuous power output: 10kW
  • Nominal voltage: 240 VAC

Depth 320 mm
Width 700 mm
Height 1400 mm
Weight 260 kg

Warranty

The KB-35 All-in-One is covered by a 10-12‑year limited warranty.
View warranty

Details
  • 12‑year limited warranty
  • Controls safe connectivity to the grid
  • Automatically detects grid outages
  • Provides seamless transition to backup
  • Uses control cable for wired communication
  • Connects to the load or service equipment side of the main load panel
  • Centered mounting brackets support single‑stud mounting
  • Enables backup for solar and solar + battery configurations
  • System Shutdown Switch to disconnect PV, battery, and generator systems
  • When paired with a (ALFA Spark), homeowners have the ability to prioritize and direct power to critical loads in the event of a grid outage
  • Power Control System (Breakers) feature to control solar and storage operation based on Main panel rating
  • Equipped with an intelligent fire suppression system for enhanced safety and automatic response.
  • Morning Sunlight Jump Start
  • Capable of withstanding immersion in floodwater up to 800mm deep for several days in the event of a natural disaster or flooding incident.
Training

ALFA training for installers is actively expanding into key regions and will primarily require only basic electrical knowledge to get started..
Visit ALFA Installers page

What’s in the box
  • KB-35 All-in-One
  • Wall‑mounting Bracket
  • Accessory Kit
  • Pre Installed 4 Pole Circuit Breaker
Compatibility
  • KB-35 packs expansion to 10 packs
  • ALFA Gateway/ALFA Spark
  • Support Gnerator input
  • ALFA Comms Kit

More compatibility

Documentation
Use recommendation
  • Commercial – YES
  • Residential – YES
  • Industrial – YES
  • Agricultural – YES
  • Institutional – YES
Need help with choosing a product?    or Order-related issues: support@alfaenergi.com